Author: Owen Pan
Date: 2024-05-19T15:19:05-07:00
New Revision: 2d5e488c98225108aebfe4aa4acfe6ec1f234a37

URL: 
https://github.com/llvm/llvm-project/commit/2d5e488c98225108aebfe4aa4acfe6ec1f234a37
DIFF: 
https://github.com/llvm/llvm-project/commit/2d5e488c98225108aebfe4aa4acfe6ec1f234a37.diff

LOG: [clang-format][NFC] Clean up SortIncludesTest.cpp

Wherever applicable, replace EXPECT_EQ with verifyFormat and std::string
with StringRef. Also, change a raw string literal to a regular one.

Added: 
    

Modified: 
    clang/unittests/Format/SortIncludesTest.cpp

Removed: 
    


################################################################################
diff  --git a/clang/unittests/Format/SortIncludesTest.cpp 
b/clang/unittests/Format/SortIncludesTest.cpp
index 824fa0078cd03..52ba19627182b 100644
--- a/clang/unittests/Format/SortIncludesTest.cpp
+++ b/clang/unittests/Format/SortIncludesTest.cpp
@@ -53,35 +53,35 @@ class SortIncludesTest : public test::FormatTestBase {
 };
 
 TEST_F(SortIncludesTest, BasicSorting) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\""));
-
-  EXPECT_EQ("// comment\n"
-            "#include <a>\n"
-            "#include <b>",
-            sort("// comment\n"
-                 "#include <b>\n"
-                 "#include <a>",
-                 {tooling::Range(25, 1)}));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\""));
+
+  verifyFormat("// comment\n"
+               "#include <a>\n"
+               "#include <b>",
+               sort("// comment\n"
+                    "#include <b>\n"
+                    "#include <a>",
+                    {tooling::Range(25, 1)}));
 }
 
 TEST_F(SortIncludesTest, TrailingComments) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\" /* long\n"
-            "                  * long\n"
-            "                  * comment*/\n"
-            "#include \"c.h\"\n"
-            "#include \"d.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\" /* long\n"
-                 "                  * long\n"
-                 "                  * comment*/\n"
-                 "#include \"d.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\" /* long\n"
+               "                  * long\n"
+               "                  * comment*/\n"
+               "#include \"c.h\"\n"
+               "#include \"d.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\" /* long\n"
+                    "                  * long\n"
+                    "                  * comment*/\n"
+                    "#include \"d.h\""));
 }
 
 TEST_F(SortIncludesTest, SortedIncludesUsingSortPriorityAttribute) {
@@ -100,531 +100,531 @@ TEST_F(SortIncludesTest, 
SortedIncludesUsingSortPriorityAttribute) {
       {"<path", 9, 11, false},
       {"^<[^/].*\\.h>", 8, 10, false},
       {"^\".*\\.h\"", 10, 12, false}};
-  EXPECT_EQ("#include <sys/param.h>\n"
-            "#include <sys/types.h>\n"
-            "#include <sys/ioctl.h>\n"
-            "#include <sys/socket.h>\n"
-            "#include <sys/stat.h>\n"
-            "#include <sys/wait.h>\n"
-            "\n"
-            "#include <net/if.h>\n"
-            "#include <net/if_dl.h>\n"
-            "#include <net/route.h>\n"
-            "#include <netinet/in.h>\n"
-            "#include <protocols/rwhod.h>\n"
-            "\n"
-            "#include <assert.h>\n"
-            "#include <errno.h>\n"
-            "#include <inttypes.h>\n"
-            "#include <stdio.h>\n"
-            "#include <stdlib.h>\n"
-            "\n"
-            "#include <paths.h>\n"
-            "\n"
-            "#include \"pathnames.h\"",
-            sort("#include <sys/param.h>\n"
-                 "#include <sys/types.h>\n"
-                 "#include <sys/ioctl.h>\n"
-                 "#include <net/if_dl.h>\n"
-                 "#include <net/route.h>\n"
-                 "#include <netinet/in.h>\n"
-                 "#include <sys/socket.h>\n"
-                 "#include <sys/stat.h>\n"
-                 "#include <sys/wait.h>\n"
-                 "#include <net/if.h>\n"
-                 "#include <protocols/rwhod.h>\n"
-                 "#include <assert.h>\n"
-                 "#include <paths.h>\n"
-                 "#include \"pathnames.h\"\n"
-                 "#include <errno.h>\n"
-                 "#include <inttypes.h>\n"
-                 "#include <stdio.h>\n"
-                 "#include <stdlib.h>"));
+  verifyFormat("#include <sys/param.h>\n"
+               "#include <sys/types.h>\n"
+               "#include <sys/ioctl.h>\n"
+               "#include <sys/socket.h>\n"
+               "#include <sys/stat.h>\n"
+               "#include <sys/wait.h>\n"
+               "\n"
+               "#include <net/if.h>\n"
+               "#include <net/if_dl.h>\n"
+               "#include <net/route.h>\n"
+               "#include <netinet/in.h>\n"
+               "#include <protocols/rwhod.h>\n"
+               "\n"
+               "#include <assert.h>\n"
+               "#include <errno.h>\n"
+               "#include <inttypes.h>\n"
+               "#include <stdio.h>\n"
+               "#include <stdlib.h>\n"
+               "\n"
+               "#include <paths.h>\n"
+               "\n"
+               "#include \"pathnames.h\"",
+               sort("#include <sys/param.h>\n"
+                    "#include <sys/types.h>\n"
+                    "#include <sys/ioctl.h>\n"
+                    "#include <net/if_dl.h>\n"
+                    "#include <net/route.h>\n"
+                    "#include <netinet/in.h>\n"
+                    "#include <sys/socket.h>\n"
+                    "#include <sys/stat.h>\n"
+                    "#include <sys/wait.h>\n"
+                    "#include <net/if.h>\n"
+                    "#include <protocols/rwhod.h>\n"
+                    "#include <assert.h>\n"
+                    "#include <paths.h>\n"
+                    "#include \"pathnames.h\"\n"
+                    "#include <errno.h>\n"
+                    "#include <inttypes.h>\n"
+                    "#include <stdio.h>\n"
+                    "#include <stdlib.h>"));
 }
 TEST_F(SortIncludesTest, SortPriorityNotDefined) {
   FmtStyle = getLLVMStyle();
-  EXPECT_EQ("#include \"FormatTestUtils.h\"\n"
-            "#include \"clang/Format/Format.h\"\n"
-            "#include \"llvm/ADT/None.h\"\n"
-            "#include \"llvm/Support/Debug.h\"\n"
-            "#include \"gtest/gtest.h\"",
-            sort("#include \"clang/Format/Format.h\"\n"
-                 "#include \"llvm/ADT/None.h\"\n"
-                 "#include \"FormatTestUtils.h\"\n"
-                 "#include \"gtest/gtest.h\"\n"
-                 "#include \"llvm/Support/Debug.h\""));
+  verifyFormat("#include \"FormatTestUtils.h\"\n"
+               "#include \"clang/Format/Format.h\"\n"
+               "#include \"llvm/ADT/None.h\"\n"
+               "#include \"llvm/Support/Debug.h\"\n"
+               "#include \"gtest/gtest.h\"",
+               sort("#include \"clang/Format/Format.h\"\n"
+                    "#include \"llvm/ADT/None.h\"\n"
+                    "#include \"FormatTestUtils.h\"\n"
+                    "#include \"gtest/gtest.h\"\n"
+                    "#include \"llvm/Support/Debug.h\""));
 }
 
 TEST_F(SortIncludesTest, NoReplacementsForValidIncludes) {
   // Identical #includes have led to a failure with an unstable sort.
-  std::string Code = "#include <a>\n"
-                     "#include <b>\n"
-                     "#include <c>\n"
-                     "#include <d>\n"
-                     "#include <e>\n"
-                     "#include <f>\n";
+  StringRef Code = "#include <a>\n"
+                   "#include <b>\n"
+                   "#include <c>\n"
+                   "#include <d>\n"
+                   "#include <e>\n"
+                   "#include <f>\n";
   EXPECT_TRUE(sortIncludes(FmtStyle, Code, GetCodeRange(Code), 
"a.cc").empty());
 }
 
 TEST_F(SortIncludesTest, MainFileHeader) {
-  std::string Code = "#include <string>\n"
-                     "\n"
-                     "#include \"a/extra_action.proto.h\"\n";
+  StringRef Code = "#include <string>\n"
+                   "\n"
+                   "#include \"a/extra_action.proto.h\"\n";
   FmtStyle = getGoogleStyle(FormatStyle::LK_Cpp);
   EXPECT_TRUE(
       sortIncludes(FmtStyle, Code, GetCodeRange(Code), "a/extra_action.cc")
           .empty());
 
-  EXPECT_EQ("#include \"foo.bar.h\"\n"
-            "\n"
-            "#include \"a.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"foo.bar.h\"",
-                 "foo.bar.cc"));
+  verifyFormat("#include \"foo.bar.h\"\n"
+               "\n"
+               "#include \"a.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"foo.bar.h\"",
+                    "foo.bar.cc"));
 }
 
 TEST_F(SortIncludesTest, SortedIncludesInMultipleBlocksAreMerged) {
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "\n"
-                 "\n"
-                 "#include \"b.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "\n"
+                    "\n"
+                    "#include \"b.h\""));
 
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "\n"
-                 "\n"
-                 "#include \"b.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "\n"
+                    "\n"
+                    "#include \"b.h\""));
 }
 
 TEST_F(SortIncludesTest, SupportClangFormatOff) {
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "#include <c>\n"
-            "// clang-format off\n"
-            "#include <b>\n"
-            "#include <a>\n"
-            "#include <c>\n"
-            "// clang-format on",
-            sort("#include <b>\n"
-                 "#include <a>\n"
-                 "#include <c>\n"
-                 "// clang-format off\n"
-                 "#include <b>\n"
-                 "#include <a>\n"
-                 "#include <c>\n"
-                 "// clang-format on"));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "#include <c>\n"
+               "// clang-format off\n"
+               "#include <b>\n"
+               "#include <a>\n"
+               "#include <c>\n"
+               "// clang-format on",
+               sort("#include <b>\n"
+                    "#include <a>\n"
+                    "#include <c>\n"
+                    "// clang-format off\n"
+                    "#include <b>\n"
+                    "#include <a>\n"
+                    "#include <c>\n"
+                    "// clang-format on"));
 
   Style.IncludeBlocks = Style.IBS_Merge;
-  std::string Code = "// clang-format off\r\n"
-                     "#include \"d.h\"\r\n"
-                     "#include \"b.h\"\r\n"
-                     "// clang-format on\r\n"
-                     "\r\n"
-                     "#include \"c.h\"\r\n"
-                     "#include \"a.h\"\r\n"
-                     "#include \"e.h\"\r\n";
-
-  std::string Expected = "// clang-format off\r\n"
-                         "#include \"d.h\"\r\n"
-                         "#include \"b.h\"\r\n"
-                         "// clang-format on\r\n"
-                         "\r\n"
-                         "#include \"e.h\"\r\n"
-                         "#include \"a.h\"\r\n"
-                         "#include \"c.h\"\r\n";
-
-  EXPECT_EQ(Expected, sort(Code, "e.cpp", 1));
+  StringRef Code = "// clang-format off\r\n"
+                   "#include \"d.h\"\r\n"
+                   "#include \"b.h\"\r\n"
+                   "// clang-format on\r\n"
+                   "\r\n"
+                   "#include \"c.h\"\r\n"
+                   "#include \"a.h\"\r\n"
+                   "#include \"e.h\"\r\n";
+
+  StringRef Expected = "// clang-format off\r\n"
+                       "#include \"d.h\"\r\n"
+                       "#include \"b.h\"\r\n"
+                       "// clang-format on\r\n"
+                       "\r\n"
+                       "#include \"e.h\"\r\n"
+                       "#include \"a.h\"\r\n"
+                       "#include \"c.h\"\r\n";
+
+  verifyFormat(Expected, sort(Code, "e.cpp", 1));
 }
 
 TEST_F(SortIncludesTest, SupportClangFormatOffCStyle) {
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "#include <c>\n"
-            "/* clang-format off */\n"
-            "#include <b>\n"
-            "#include <a>\n"
-            "#include <c>\n"
-            "/* clang-format on */",
-            sort("#include <b>\n"
-                 "#include <a>\n"
-                 "#include <c>\n"
-                 "/* clang-format off */\n"
-                 "#include <b>\n"
-                 "#include <a>\n"
-                 "#include <c>\n"
-                 "/* clang-format on */"));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "#include <c>\n"
+               "/* clang-format off */\n"
+               "#include <b>\n"
+               "#include <a>\n"
+               "#include <c>\n"
+               "/* clang-format on */",
+               sort("#include <b>\n"
+                    "#include <a>\n"
+                    "#include <c>\n"
+                    "/* clang-format off */\n"
+                    "#include <b>\n"
+                    "#include <a>\n"
+                    "#include <c>\n"
+                    "/* clang-format on */"));
 
   // Not really turning it off
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "#include <c>\n"
-            "/* clang-format offically */\n"
-            "#include <a>\n"
-            "#include <b>\n"
-            "#include <c>\n"
-            "/* clang-format onwards */",
-            sort("#include <b>\n"
-                 "#include <a>\n"
-                 "#include <c>\n"
-                 "/* clang-format offically */\n"
-                 "#include <b>\n"
-                 "#include <a>\n"
-                 "#include <c>\n"
-                 "/* clang-format onwards */",
-                 "input.h", 2));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "#include <c>\n"
+               "/* clang-format offically */\n"
+               "#include <a>\n"
+               "#include <b>\n"
+               "#include <c>\n"
+               "/* clang-format onwards */",
+               sort("#include <b>\n"
+                    "#include <a>\n"
+                    "#include <c>\n"
+                    "/* clang-format offically */\n"
+                    "#include <b>\n"
+                    "#include <a>\n"
+                    "#include <c>\n"
+                    "/* clang-format onwards */",
+                    "input.h", 2));
 }
 
 TEST_F(SortIncludesTest, IncludeSortingCanBeDisabled) {
   FmtStyle.SortIncludes = FormatStyle::SI_Never;
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"c.h\"\n"
-            "#include \"b.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "input.h", 0));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"c.h\"\n"
+               "#include \"b.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "input.h", 0));
 }
 
 TEST_F(SortIncludesTest, MixIncludeAndImport) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#import \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#import \"b.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#import \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#import \"b.h\""));
 }
 
 TEST_F(SortIncludesTest, FixTrailingComments) {
-  EXPECT_EQ("#include \"a.h\"  // comment\n"
-            "#include \"bb.h\" // comment\n"
-            "#include \"ccc.h\"",
-            sort("#include \"a.h\" // comment\n"
-                 "#include \"ccc.h\"\n"
-                 "#include \"bb.h\" // comment"));
+  verifyFormat("#include \"a.h\"  // comment\n"
+               "#include \"bb.h\" // comment\n"
+               "#include \"ccc.h\"",
+               sort("#include \"a.h\" // comment\n"
+                    "#include \"ccc.h\"\n"
+                    "#include \"bb.h\" // comment"));
 }
 
 TEST_F(SortIncludesTest, LeadingWhitespace) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort(" #include \"a.h\"\n"
-                 "  #include \"c.h\"\n"
-                 "   #include \"b.h\""));
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("# include \"a.h\"\n"
-                 "#  include \"c.h\"\n"
-                 "#   include \"b.h\""));
-  EXPECT_EQ("#include \"a.h\"", sort("#include \"a.h\"\n"
-                                     " #include \"a.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort(" #include \"a.h\"\n"
+                    "  #include \"c.h\"\n"
+                    "   #include \"b.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("# include \"a.h\"\n"
+                    "#  include \"c.h\"\n"
+                    "#   include \"b.h\""));
+  verifyFormat("#include \"a.h\"", sort("#include \"a.h\"\n"
+                                        " #include \"a.h\""));
 }
 
 TEST_F(SortIncludesTest, TrailingWhitespace) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"a.h\" \n"
-                 "#include \"c.h\"  \n"
-                 "#include \"b.h\"   "));
-  EXPECT_EQ("#include \"a.h\"", sort("#include \"a.h\"\n"
-                                     "#include \"a.h\" "));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"a.h\" \n"
+                    "#include \"c.h\"  \n"
+                    "#include \"b.h\"   "));
+  verifyFormat("#include \"a.h\"", sort("#include \"a.h\"\n"
+                                        "#include \"a.h\" "));
 }
 
 TEST_F(SortIncludesTest, GreaterInComment) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\" // >\n"
-            "#include \"c.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\" // >"));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\" // >\n"
+               "#include \"c.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\" // >"));
 }
 
 TEST_F(SortIncludesTest, SortsLocallyInEachBlock) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"c.h\"\n"
-            "\n"
-            "#include \"b.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "\n"
-                 "#include \"b.h\"",
-                 "input.h", 0));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"c.h\"\n"
+               "\n"
+               "#include \"b.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "\n"
+                    "#include \"b.h\"",
+                    "input.h", 0));
 }
 
 TEST_F(SortIncludesTest, SortsAllBlocksWhenMerging) {
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "\n"
-                 "#include \"b.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "\n"
+                    "#include \"b.h\""));
 }
 
 TEST_F(SortIncludesTest, CommentsAlwaysSeparateGroups) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"c.h\"\n"
-            "// comment\n"
-            "#include \"b.h\"",
-            sort("#include \"c.h\"\n"
-                 "#include \"a.h\"\n"
-                 "// comment\n"
-                 "#include \"b.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"c.h\"\n"
+               "// comment\n"
+               "#include \"b.h\"",
+               sort("#include \"c.h\"\n"
+                    "#include \"a.h\"\n"
+                    "// comment\n"
+                    "#include \"b.h\""));
 
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"c.h\"\n"
-            "// comment\n"
-            "#include \"b.h\"",
-            sort("#include \"c.h\"\n"
-                 "#include \"a.h\"\n"
-                 "// comment\n"
-                 "#include \"b.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"c.h\"\n"
+               "// comment\n"
+               "#include \"b.h\"",
+               sort("#include \"c.h\"\n"
+                    "#include \"a.h\"\n"
+                    "// comment\n"
+                    "#include \"b.h\""));
 
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"c.h\"\n"
-            "// comment\n"
-            "#include \"b.h\"",
-            sort("#include \"c.h\"\n"
-                 "#include \"a.h\"\n"
-                 "// comment\n"
-                 "#include \"b.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"c.h\"\n"
+               "// comment\n"
+               "#include \"b.h\"",
+               sort("#include \"c.h\"\n"
+                    "#include \"a.h\"\n"
+                    "// comment\n"
+                    "#include \"b.h\""));
 }
 
 TEST_F(SortIncludesTest, HandlesAngledIncludesAsSeparateBlocks) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"c.h\"\n"
-            "#include <array>\n"
-            "#include <b.h>\n"
-            "#include <d.h>\n"
-            "#include <vector>",
-            sort("#include <vector>\n"
-                 "#include <d.h>\n"
-                 "#include <array>\n"
-                 "#include <b.h>\n"
-                 "#include \"c.h\"\n"
-                 "#include \"a.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"c.h\"\n"
+               "#include <array>\n"
+               "#include <b.h>\n"
+               "#include <d.h>\n"
+               "#include <vector>",
+               sort("#include <vector>\n"
+                    "#include <d.h>\n"
+                    "#include <array>\n"
+                    "#include <b.h>\n"
+                    "#include \"c.h\"\n"
+                    "#include \"a.h\""));
 
   FmtStyle = getGoogleStyle(FormatStyle::LK_Cpp);
-  EXPECT_EQ("#include <b.h>\n"
-            "#include <d.h>\n"
-            "\n"
-            "#include <array>\n"
-            "#include <vector>\n"
-            "\n"
-            "#include \"a.h\"\n"
-            "#include \"c.h\"",
-            sort("#include <vector>\n"
-                 "#include <d.h>\n"
-                 "#include <array>\n"
-                 "#include <b.h>\n"
-                 "#include \"c.h\"\n"
-                 "#include \"a.h\""));
+  verifyFormat("#include <b.h>\n"
+               "#include <d.h>\n"
+               "\n"
+               "#include <array>\n"
+               "#include <vector>\n"
+               "\n"
+               "#include \"a.h\"\n"
+               "#include \"c.h\"",
+               sort("#include <vector>\n"
+                    "#include <d.h>\n"
+                    "#include <array>\n"
+                    "#include <b.h>\n"
+                    "#include \"c.h\"\n"
+                    "#include \"a.h\""));
 }
 
 TEST_F(SortIncludesTest, RegroupsAngledIncludesInSeparateBlocks) {
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"c.h\"\n"
-            "\n"
-            "#include <b.h>\n"
-            "#include <d.h>",
-            sort("#include <d.h>\n"
-                 "#include <b.h>\n"
-                 "#include \"c.h\"\n"
-                 "#include \"a.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"c.h\"\n"
+               "\n"
+               "#include <b.h>\n"
+               "#include <d.h>",
+               sort("#include <d.h>\n"
+                    "#include <b.h>\n"
+                    "#include \"c.h\"\n"
+                    "#include \"a.h\""));
 }
 
 TEST_F(SortIncludesTest, HandlesMultilineIncludes) {
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"a.h\"\n"
-                 "#include \\\n"
-                 "\"c.h\"\n"
-                 "#include \"b.h\""));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"a.h\"\n"
+                    "#include \\\n"
+                    "\"c.h\"\n"
+                    "#include \"b.h\""));
 }
 
 TEST_F(SortIncludesTest, HandlesTrailingCommentsWithAngleBrackets) {
   // Regression test from the discussion at https://reviews.llvm.org/D121370.
-  EXPECT_EQ("#include <cstdint>\n"
-            "\n"
-            "#include \"util/bar.h\"\n"
-            "#include \"util/foo/foo.h\" // foo<T>",
-            sort("#include <cstdint>\n"
-                 "\n"
-                 "#include \"util/bar.h\"\n"
-                 "#include \"util/foo/foo.h\" // foo<T>",
-                 /*FileName=*/"input.cc",
-                 /*ExpectedNumRanges=*/0));
+  verifyFormat("#include <cstdint>\n"
+               "\n"
+               "#include \"util/bar.h\"\n"
+               "#include \"util/foo/foo.h\" // foo<T>",
+               sort("#include <cstdint>\n"
+                    "\n"
+                    "#include \"util/bar.h\"\n"
+                    "#include \"util/foo/foo.h\" // foo<T>",
+                    /*FileName=*/"input.cc",
+                    /*ExpectedNumRanges=*/0));
 }
 
 TEST_F(SortIncludesTest, LeavesMainHeaderFirst) {
   Style.IncludeIsMainRegex = "([-_](test|unittest))?$";
-  EXPECT_EQ("#include \"llvm/a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "a.cc"));
-  EXPECT_EQ("#include \"llvm/a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "a_test.cc"));
-  EXPECT_EQ("#include \"llvm/input.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"llvm/input.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "input.mm"));
+  verifyFormat("#include \"llvm/a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "a.cc"));
+  verifyFormat("#include \"llvm/a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "a_test.cc"));
+  verifyFormat("#include \"llvm/input.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"llvm/input.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "input.mm"));
 
   // Don't allow prefixes.
-  EXPECT_EQ("#include \"b.h\"\n"
-            "#include \"c.h\"\n"
-            "#include \"llvm/not_a.h\"",
-            sort("#include \"llvm/not_a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "a.cc"));
+  verifyFormat("#include \"b.h\"\n"
+               "#include \"c.h\"\n"
+               "#include \"llvm/not_a.h\"",
+               sort("#include \"llvm/not_a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "a.cc"));
 
   // Don't do this for _main and other suffixes.
-  EXPECT_EQ("#include \"b.h\"\n"
-            "#include \"c.h\"\n"
-            "#include \"llvm/a.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "a_main.cc"));
+  verifyFormat("#include \"b.h\"\n"
+               "#include \"c.h\"\n"
+               "#include \"llvm/a.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "a_main.cc"));
 
   // Don't do this in headers.
-  EXPECT_EQ("#include \"b.h\"\n"
-            "#include \"c.h\"\n"
-            "#include \"llvm/a.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "a.h"));
+  verifyFormat("#include \"b.h\"\n"
+               "#include \"c.h\"\n"
+               "#include \"llvm/a.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "a.h"));
 
   // Only do this in the first #include block.
-  EXPECT_EQ("#include <a>\n"
-            "\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"\n"
-            "#include \"llvm/a.h\"",
-            sort("#include <a>\n"
-                 "\n"
-                 "#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "a.cc"));
+  verifyFormat("#include <a>\n"
+               "\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"\n"
+               "#include \"llvm/a.h\"",
+               sort("#include <a>\n"
+                    "\n"
+                    "#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "a.cc"));
 
   // Only recognize the first #include with a matching basename as main 
include.
-  EXPECT_EQ("#include \"a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"\n"
-            "#include \"llvm/a.h\"",
-            sort("#include \"b.h\"\n"
-                 "#include \"a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"llvm/a.h\"",
-                 "a.cc"));
+  verifyFormat("#include \"a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"\n"
+               "#include \"llvm/a.h\"",
+               sort("#include \"b.h\"\n"
+                    "#include \"a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"llvm/a.h\"",
+                    "a.cc"));
 }
 
 TEST_F(SortIncludesTest, LeavesMainHeaderFirstInAdditionalExtensions) {
   Style.IncludeIsMainRegex = "([-_](test|unittest))?|(Impl)?$";
-  EXPECT_EQ("#include \"b.h\"\n"
-            "#include \"c.h\"\n"
-            "#include \"llvm/a.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "a_test.xxx"));
-  EXPECT_EQ("#include \"b.h\"\n"
-            "#include \"c.h\"\n"
-            "#include \"llvm/a.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "aImpl.hpp"));
+  verifyFormat("#include \"b.h\"\n"
+               "#include \"c.h\"\n"
+               "#include \"llvm/a.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "a_test.xxx"));
+  verifyFormat("#include \"b.h\"\n"
+               "#include \"c.h\"\n"
+               "#include \"llvm/a.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "aImpl.hpp"));
 
   // .cpp extension is considered "main" by default
-  EXPECT_EQ("#include \"llvm/a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "aImpl.cpp"));
-  EXPECT_EQ("#include \"llvm/a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "a_test.cpp"));
+  verifyFormat("#include \"llvm/a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "aImpl.cpp"));
+  verifyFormat("#include \"llvm/a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "a_test.cpp"));
 
   // Allow additional filenames / extensions
   Style.IncludeIsMainSourceRegex = "(Impl\\.hpp)|(\\.xxx)$";
-  EXPECT_EQ("#include \"llvm/a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "a_test.xxx"));
-  EXPECT_EQ("#include \"llvm/a.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"llvm/a.h\"\n"
-                 "#include \"c.h\"\n"
-                 "#include \"b.h\"",
-                 "aImpl.hpp"));
+  verifyFormat("#include \"llvm/a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "a_test.xxx"));
+  verifyFormat("#include \"llvm/a.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"llvm/a.h\"\n"
+                    "#include \"c.h\"\n"
+                    "#include \"b.h\"",
+                    "aImpl.hpp"));
 }
 
 TEST_F(SortIncludesTest, RecognizeMainHeaderInAllGroups) {
   Style.IncludeIsMainRegex = "([-_](test|unittest))?$";
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
 
-  EXPECT_EQ("#include \"c.h\"\n"
-            "#include \"a.h\"\n"
-            "#include \"b.h\"",
-            sort("#include \"b.h\"\n"
-                 "\n"
-                 "#include \"a.h\"\n"
-                 "#include \"c.h\"",
-                 "c.cc"));
+  verifyFormat("#include \"c.h\"\n"
+               "#include \"a.h\"\n"
+               "#include \"b.h\"",
+               sort("#include \"b.h\"\n"
+                    "\n"
+                    "#include \"a.h\"\n"
+                    "#include \"c.h\"",
+                    "c.cc"));
 }
 
 TEST_F(SortIncludesTest, MainHeaderIsSeparatedWhenRegroupping) {
   Style.IncludeIsMainRegex = "([-_](test|unittest))?$";
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
 
-  EXPECT_EQ("#include \"a.h\"\n"
-            "\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"",
-            sort("#include \"b.h\"\n"
-                 "\n"
-                 "#include \"a.h\"\n"
-                 "#include \"c.h\"",
-                 "a.cc"));
+  verifyFormat("#include \"a.h\"\n"
+               "\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"",
+               sort("#include \"b.h\"\n"
+                    "\n"
+                    "#include \"a.h\"\n"
+                    "#include \"c.h\"",
+                    "a.cc"));
 }
 
 TEST_F(SortIncludesTest, SupportOptionalCaseSensitiveSorting) {
@@ -632,17 +632,17 @@ TEST_F(SortIncludesTest, 
SupportOptionalCaseSensitiveSorting) {
 
   FmtStyle.SortIncludes = FormatStyle::SI_CaseInsensitive;
 
-  EXPECT_EQ("#include \"A/B.h\"\n"
-            "#include \"A/b.h\"\n"
-            "#include \"a/b.h\"\n"
-            "#include \"B/A.h\"\n"
-            "#include \"B/a.h\"",
-            sort("#include \"B/a.h\"\n"
-                 "#include \"B/A.h\"\n"
-                 "#include \"A/B.h\"\n"
-                 "#include \"a/b.h\"\n"
-                 "#include \"A/b.h\"",
-                 "a.h"));
+  verifyFormat("#include \"A/B.h\"\n"
+               "#include \"A/b.h\"\n"
+               "#include \"a/b.h\"\n"
+               "#include \"B/A.h\"\n"
+               "#include \"B/a.h\"",
+               sort("#include \"B/a.h\"\n"
+                    "#include \"B/A.h\"\n"
+                    "#include \"A/B.h\"\n"
+                    "#include \"a/b.h\"\n"
+                    "#include \"A/b.h\"",
+                    "a.h"));
 
   Style.IncludeBlocks = clang::tooling::IncludeStyle::IBS_Regroup;
   Style.IncludeCategories = {
@@ -657,17 +657,17 @@ TEST_F(SortIncludesTest, 
SupportOptionalCaseSensitiveSorting) {
                            "#include \"Vlib.h\"\n"
                            "#include \"AST.h\"";
 
-  EXPECT_EQ("#include \"AST.h\"\n"
-            "#include \"qt.h\"\n"
-            "#include \"Vlib.h\"\n"
-            "#include \"vlib.h\"\n"
-            "\n"
-            "#include <Qtwhatever.h>\n"
-            "#include <qtwhatever.h>\n"
-            "\n"
-            "#include <Algorithm>\n"
-            "#include <algorithm>",
-            sort(UnsortedCode));
+  verifyFormat("#include \"AST.h\"\n"
+               "#include \"qt.h\"\n"
+               "#include \"Vlib.h\"\n"
+               "#include \"vlib.h\"\n"
+               "\n"
+               "#include <Qtwhatever.h>\n"
+               "#include <qtwhatever.h>\n"
+               "\n"
+               "#include <Algorithm>\n"
+               "#include <algorithm>",
+               sort(UnsortedCode));
 }
 
 TEST_F(SortIncludesTest, SupportCaseInsensitiveMatching) {
@@ -676,21 +676,21 @@ TEST_F(SortIncludesTest, SupportCaseInsensitiveMatching) {
 
   // Ensure both main header detection and grouping work in a case insensitive
   // manner.
-  EXPECT_EQ("#include \"llvm/A.h\"\n"
-            "#include \"b.h\"\n"
-            "#include \"c.h\"\n"
-            "#include \"LLVM/z.h\"\n"
-            "#include \"llvm/X.h\"\n"
-            "#include \"GTest/GTest.h\"\n"
-            "#include \"gmock/gmock.h\"",
-            sort("#include \"c.h\"\n"
-                 "#include \"b.h\"\n"
-                 "#include \"GTest/GTest.h\"\n"
-                 "#include \"llvm/A.h\"\n"
-                 "#include \"gmock/gmock.h\"\n"
-                 "#include \"llvm/X.h\"\n"
-                 "#include \"LLVM/z.h\"",
-                 "a_TEST.cc"));
+  verifyFormat("#include \"llvm/A.h\"\n"
+               "#include \"b.h\"\n"
+               "#include \"c.h\"\n"
+               "#include \"LLVM/z.h\"\n"
+               "#include \"llvm/X.h\"\n"
+               "#include \"GTest/GTest.h\"\n"
+               "#include \"gmock/gmock.h\"",
+               sort("#include \"c.h\"\n"
+                    "#include \"b.h\"\n"
+                    "#include \"GTest/GTest.h\"\n"
+                    "#include \"llvm/A.h\"\n"
+                    "#include \"gmock/gmock.h\"\n"
+                    "#include \"llvm/X.h\"\n"
+                    "#include \"LLVM/z.h\"",
+                    "a_TEST.cc"));
 }
 
 TEST_F(SortIncludesTest, SupportOptionalCaseSensitiveMachting) {
@@ -711,57 +711,57 @@ TEST_F(SortIncludesTest, 
SupportOptionalCaseSensitiveMachting) {
                            "#include <qtwhatever.h>\n"
                            "#include <QtGlobal>";
 
-  EXPECT_EQ("#include \"qa.h\"\n"
-            "#include \"qt.h\"\n"
-            "\n"
-            "#include <qtwhatever.h>\n"
-            "#include <windows.h>\n"
-            "\n"
-            "#include <QLabel>\n"
-            "#include <QWidget>\n"
-            "#include <QtGlobal>\n"
-            "#include <queue>\n"
-            "\n"
-            "#include <algorithm>",
-            sort(UnsortedCode));
+  verifyFormat("#include \"qa.h\"\n"
+               "#include \"qt.h\"\n"
+               "\n"
+               "#include <qtwhatever.h>\n"
+               "#include <windows.h>\n"
+               "\n"
+               "#include <QLabel>\n"
+               "#include <QWidget>\n"
+               "#include <QtGlobal>\n"
+               "#include <queue>\n"
+               "\n"
+               "#include <algorithm>",
+               sort(UnsortedCode));
 
   Style.IncludeCategories[2].RegexIsCaseSensitive = true;
   Style.IncludeCategories[3].RegexIsCaseSensitive = true;
-  EXPECT_EQ("#include \"qa.h\"\n"
-            "#include \"qt.h\"\n"
-            "\n"
-            "#include <qtwhatever.h>\n"
-            "#include <windows.h>\n"
-            "\n"
-            "#include <QLabel>\n"
-            "#include <QWidget>\n"
-            "\n"
-            "#include <QtGlobal>\n"
-            "\n"
-            "#include <algorithm>\n"
-            "#include <queue>",
-            sort(UnsortedCode));
+  verifyFormat("#include \"qa.h\"\n"
+               "#include \"qt.h\"\n"
+               "\n"
+               "#include <qtwhatever.h>\n"
+               "#include <windows.h>\n"
+               "\n"
+               "#include <QLabel>\n"
+               "#include <QWidget>\n"
+               "\n"
+               "#include <QtGlobal>\n"
+               "\n"
+               "#include <algorithm>\n"
+               "#include <queue>",
+               sort(UnsortedCode));
 }
 
 TEST_F(SortIncludesTest, NegativePriorities) {
   Style.IncludeCategories = {{".*important_os_header.*", -1, 0, false},
                              {".*", 1, 0, false}};
-  EXPECT_EQ("#include \"important_os_header.h\"\n"
-            "#include \"c_main.h\"\n"
-            "#include \"a_other.h\"",
-            sort("#include \"c_main.h\"\n"
-                 "#include \"a_other.h\"\n"
-                 "#include \"important_os_header.h\"",
-                 "c_main.cc"));
+  verifyFormat("#include \"important_os_header.h\"\n"
+               "#include \"c_main.h\"\n"
+               "#include \"a_other.h\"",
+               sort("#include \"c_main.h\"\n"
+                    "#include \"a_other.h\"\n"
+                    "#include \"important_os_header.h\"",
+                    "c_main.cc"));
 
   // check stable when re-run
-  EXPECT_EQ("#include \"important_os_header.h\"\n"
-            "#include \"c_main.h\"\n"
-            "#include \"a_other.h\"",
-            sort("#include \"important_os_header.h\"\n"
-                 "#include \"c_main.h\"\n"
-                 "#include \"a_other.h\"",
-                 "c_main.cc", 0));
+  verifyFormat("#include \"important_os_header.h\"\n"
+               "#include \"c_main.h\"\n"
+               "#include \"a_other.h\"",
+               sort("#include \"important_os_header.h\"\n"
+                    "#include \"c_main.h\"\n"
+                    "#include \"a_other.h\"",
+                    "c_main.cc", 0));
 }
 
 TEST_F(SortIncludesTest, PriorityGroupsAreSeparatedWhenRegroupping) {
@@ -769,34 +769,34 @@ TEST_F(SortIncludesTest, 
PriorityGroupsAreSeparatedWhenRegroupping) {
                              {".*", 1, 0, false}};
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
 
-  EXPECT_EQ("#include \"important_os_header.h\"\n"
-            "\n"
-            "#include \"c_main.h\"\n"
-            "\n"
-            "#include \"a_other.h\"",
-            sort("#include \"c_main.h\"\n"
-                 "#include \"a_other.h\"\n"
-                 "#include \"important_os_header.h\"",
-                 "c_main.cc"));
+  verifyFormat("#include \"important_os_header.h\"\n"
+               "\n"
+               "#include \"c_main.h\"\n"
+               "\n"
+               "#include \"a_other.h\"",
+               sort("#include \"c_main.h\"\n"
+                    "#include \"a_other.h\"\n"
+                    "#include \"important_os_header.h\"",
+                    "c_main.cc"));
 
   // check stable when re-run
-  EXPECT_EQ("#include \"important_os_header.h\"\n"
-            "\n"
-            "#include \"c_main.h\"\n"
-            "\n"
-            "#include \"a_other.h\"",
-            sort("#include \"important_os_header.h\"\n"
-                 "\n"
-                 "#include \"c_main.h\"\n"
-                 "\n"
-                 "#include \"a_other.h\"",
-                 "c_main.cc", 0));
+  verifyFormat("#include \"important_os_header.h\"\n"
+               "\n"
+               "#include \"c_main.h\"\n"
+               "\n"
+               "#include \"a_other.h\"",
+               sort("#include \"important_os_header.h\"\n"
+                    "\n"
+                    "#include \"c_main.h\"\n"
+                    "\n"
+                    "#include \"a_other.h\"",
+                    "c_main.cc", 0));
 }
 
 TEST_F(SortIncludesTest, CalculatesCorrectCursorPosition) {
-  std::string Code = "#include <ccc>\n"    // Start of line: 0
-                     "#include <bbbbbb>\n" // Start of line: 15
-                     "#include <a>\n";     // Start of line: 33
+  StringRef Code = "#include <ccc>\n"    // Start of line: 0
+                   "#include <bbbbbb>\n" // Start of line: 15
+                   "#include <a>\n";     // Start of line: 33
   EXPECT_EQ(31u, newCursor(Code, 0));
   EXPECT_EQ(13u, newCursor(Code, 15));
   EXPECT_EQ(0u, newCursor(Code, 33));
@@ -808,14 +808,14 @@ TEST_F(SortIncludesTest, CalculatesCorrectCursorPosition) 
{
 
 TEST_F(SortIncludesTest, CalculatesCorrectCursorPositionWithRegrouping) {
   Style.IncludeBlocks = Style.IBS_Regroup;
-  std::string Code = "#include \"b\"\n"      // Start of line: 0
-                     "\n"                    // Start of line: 13
-                     "#include \"aa\"\n"     // Start of line: 14
-                     "int i;";               // Start of line: 28
-  std::string Expected = "#include \"aa\"\n" // Start of line: 0
-                         "#include \"b\"\n"  // Start of line: 14
-                         "int i;";           // Start of line: 27
-  EXPECT_EQ(Expected, sort(Code));
+  StringRef Code = "#include \"b\"\n"      // Start of line: 0
+                   "\n"                    // Start of line: 13
+                   "#include \"aa\"\n"     // Start of line: 14
+                   "int i;";               // Start of line: 28
+  StringRef Expected = "#include \"aa\"\n" // Start of line: 0
+                       "#include \"b\"\n"  // Start of line: 14
+                       "int i;";           // Start of line: 27
+  verifyFormat(Expected, sort(Code));
   EXPECT_EQ(12u, newCursor(Code, 26)); // Closing quote of "aa"
   EXPECT_EQ(26u, newCursor(Code, 27)); // Newline after "aa"
   EXPECT_EQ(27u, newCursor(Code, 28)); // Start of last line
@@ -827,14 +827,14 @@ TEST_F(SortIncludesTest,
   FmtStyle.LineEnding = FormatStyle::LE_CRLF;
   Style.IncludeCategories = {
       {"^\"a\"", 0, 0, false}, {"^\"b\"", 1, 1, false}, {".*", 2, 2, false}};
-  std::string Code = "#include \"a\"\r\n" // Start of line: 0
-                     "\r\n"               // Start of line: 14
-                     "#include \"b\"\r\n" // Start of line: 16
-                     "\r\n"               // Start of line: 30
-                     "#include \"c\"\r\n" // Start of line: 32
-                     "\r\n"               // Start of line: 46
-                     "int i;";            // Start of line: 48
-  verifyNoChange(Code);
+  StringRef Code = "#include \"a\"\r\n" // Start of line: 0
+                   "\r\n"               // Start of line: 14
+                   "#include \"b\"\r\n" // Start of line: 16
+                   "\r\n"               // Start of line: 30
+                   "#include \"c\"\r\n" // Start of line: 32
+                   "\r\n"               // Start of line: 46
+                   "int i;";            // Start of line: 48
+  verifyFormat(Code);
   EXPECT_EQ(0u, newCursor(Code, 0));
   EXPECT_EQ(14u, newCursor(Code, 14));
   EXPECT_EQ(16u, newCursor(Code, 16));
@@ -850,19 +850,19 @@ TEST_F(
   Style.IncludeBlocks = Style.IBS_Regroup;
   FmtStyle.LineEnding = FormatStyle::LE_CRLF;
   Style.IncludeCategories = {{".*", 0, 0, false}};
-  std::string Code = "#include \"a\"\r\n"     // Start of line: 0
-                     "\r\n"                   // Start of line: 14
-                     "#include \"b\"\r\n"     // Start of line: 16
-                     "\r\n"                   // Start of line: 30
-                     "#include \"c\"\r\n"     // Start of line: 32
-                     "\r\n"                   // Start of line: 46
-                     "int i;";                // Start of line: 48
-  std::string Expected = "#include \"a\"\r\n" // Start of line: 0
-                         "#include \"b\"\r\n" // Start of line: 14
-                         "#include \"c\"\r\n" // Start of line: 28
-                         "\r\n"               // Start of line: 42
-                         "int i;";            // Start of line: 44
-  EXPECT_EQ(Expected, sort(Code));
+  StringRef Code = "#include \"a\"\r\n"     // Start of line: 0
+                   "\r\n"                   // Start of line: 14
+                   "#include \"b\"\r\n"     // Start of line: 16
+                   "\r\n"                   // Start of line: 30
+                   "#include \"c\"\r\n"     // Start of line: 32
+                   "\r\n"                   // Start of line: 46
+                   "int i;";                // Start of line: 48
+  StringRef Expected = "#include \"a\"\r\n" // Start of line: 0
+                       "#include \"b\"\r\n" // Start of line: 14
+                       "#include \"c\"\r\n" // Start of line: 28
+                       "\r\n"               // Start of line: 42
+                       "int i;";            // Start of line: 44
+  verifyFormat(Expected, sort(Code));
   EXPECT_EQ(0u, newCursor(Code, 0));
   EXPECT_EQ(
       14u,
@@ -885,19 +885,19 @@ TEST_F(
   FmtStyle.LineEnding = FormatStyle::LE_CRLF;
   Style.IncludeCategories = {
       {"^\"a\"", 0, 0, false}, {"^\"b\"", 1, 1, false}, {".*", 2, 2, false}};
-  std::string Code = "#include \"a\"\r\n"     // Start of line: 0
-                     "#include \"b\"\r\n"     // Start of line: 14
-                     "#include \"c\"\r\n"     // Start of line: 28
-                     "\r\n"                   // Start of line: 42
-                     "int i;";                // Start of line: 44
-  std::string Expected = "#include \"a\"\r\n" // Start of line: 0
-                         "\r\n"               // Start of line: 14
-                         "#include \"b\"\r\n" // Start of line: 16
-                         "\r\n"               // Start of line: 30
-                         "#include \"c\"\r\n" // Start of line: 32
-                         "\r\n"               // Start of line: 46
-                         "int i;";            // Start of line: 48
-  EXPECT_EQ(Expected, sort(Code));
+  StringRef Code = "#include \"a\"\r\n"     // Start of line: 0
+                   "#include \"b\"\r\n"     // Start of line: 14
+                   "#include \"c\"\r\n"     // Start of line: 28
+                   "\r\n"                   // Start of line: 42
+                   "int i;";                // Start of line: 44
+  StringRef Expected = "#include \"a\"\r\n" // Start of line: 0
+                       "\r\n"               // Start of line: 14
+                       "#include \"b\"\r\n" // Start of line: 16
+                       "\r\n"               // Start of line: 30
+                       "#include \"c\"\r\n" // Start of line: 32
+                       "\r\n"               // Start of line: 46
+                       "int i;";            // Start of line: 48
+  verifyFormat(Expected, sort(Code));
   EXPECT_EQ(0u, newCursor(Code, 0));
   EXPECT_EQ(15u, newCursor(Code, 16));
   EXPECT_EQ(30u, newCursor(Code, 32));
@@ -912,21 +912,21 @@ TEST_F(
   FmtStyle.LineEnding = FormatStyle::LE_CRLF;
   Style.IncludeCategories = {
       {"^\"a\"", 0, 0, false}, {"^\"b\"", 1, 1, false}, {".*", 2, 2, false}};
-  std::string Code = "#include \"a\"\r\n"     // Start of line: 0
-                     "\r\n"                   // Start of line: 14
-                     "#include \"c\"\r\n"     // Start of line: 16
-                     "\r\n"                   // Start of line: 30
-                     "#include \"b\"\r\n"     // Start of line: 32
-                     "\r\n"                   // Start of line: 46
-                     "int i;";                // Start of line: 48
-  std::string Expected = "#include \"a\"\r\n" // Start of line: 0
-                         "\r\n"               // Start of line: 14
-                         "#include \"b\"\r\n" // Start of line: 16
-                         "\r\n"               // Start of line: 30
-                         "#include \"c\"\r\n" // Start of line: 32
-                         "\r\n"               // Start of line: 46
-                         "int i;";            // Start of line: 48
-  EXPECT_EQ(Expected, sort(Code));
+  StringRef Code = "#include \"a\"\r\n"     // Start of line: 0
+                   "\r\n"                   // Start of line: 14
+                   "#include \"c\"\r\n"     // Start of line: 16
+                   "\r\n"                   // Start of line: 30
+                   "#include \"b\"\r\n"     // Start of line: 32
+                   "\r\n"                   // Start of line: 46
+                   "int i;";                // Start of line: 48
+  StringRef Expected = "#include \"a\"\r\n" // Start of line: 0
+                       "\r\n"               // Start of line: 14
+                       "#include \"b\"\r\n" // Start of line: 16
+                       "\r\n"               // Start of line: 30
+                       "#include \"c\"\r\n" // Start of line: 32
+                       "\r\n"               // Start of line: 46
+                       "int i;";            // Start of line: 48
+  verifyFormat(Expected, sort(Code));
   EXPECT_EQ(0u, newCursor(Code, 0));
   EXPECT_EQ(14u, newCursor(Code, 14));
   EXPECT_EQ(30u, newCursor(Code, 32));
@@ -938,88 +938,88 @@ TEST_F(
 #endif
 
 TEST_F(SortIncludesTest, DeduplicateIncludes) {
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "#include <c>",
-            sort("#include <a>\n"
-                 "#include <b>\n"
-                 "#include <b>\n"
-                 "#include <b>\n"
-                 "#include <b>\n"
-                 "#include <c>"));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "#include <c>",
+               sort("#include <a>\n"
+                    "#include <b>\n"
+                    "#include <b>\n"
+                    "#include <b>\n"
+                    "#include <b>\n"
+                    "#include <c>"));
 
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "#include <c>",
-            sort("#include <a>\n"
-                 "#include <b>\n"
-                 "\n"
-                 "#include <b>\n"
-                 "\n"
-                 "#include <b>\n"
-                 "#include <c>"));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "#include <c>",
+               sort("#include <a>\n"
+                    "#include <b>\n"
+                    "\n"
+                    "#include <b>\n"
+                    "\n"
+                    "#include <b>\n"
+                    "#include <c>"));
 
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "#include <c>",
-            sort("#include <a>\n"
-                 "#include <b>\n"
-                 "\n"
-                 "#include <b>\n"
-                 "\n"
-                 "#include <b>\n"
-                 "#include <c>"));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "#include <c>",
+               sort("#include <a>\n"
+                    "#include <b>\n"
+                    "\n"
+                    "#include <b>\n"
+                    "\n"
+                    "#include <b>\n"
+                    "#include <c>"));
 }
 
 TEST_F(SortIncludesTest, SortAndDeduplicateIncludes) {
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "#include <c>",
-            sort("#include <b>\n"
-                 "#include <a>\n"
-                 "#include <b>\n"
-                 "#include <b>\n"
-                 "#include <c>\n"
-                 "#include <b>"));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "#include <c>",
+               sort("#include <b>\n"
+                    "#include <a>\n"
+                    "#include <b>\n"
+                    "#include <b>\n"
+                    "#include <c>\n"
+                    "#include <b>"));
 
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "#include <c>",
-            sort("#include <b>\n"
-                 "#include <a>\n"
-                 "\n"
-                 "#include <b>\n"
-                 "\n"
-                 "#include <c>\n"
-                 "#include <b>"));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "#include <c>",
+               sort("#include <b>\n"
+                    "#include <a>\n"
+                    "\n"
+                    "#include <b>\n"
+                    "\n"
+                    "#include <c>\n"
+                    "#include <b>"));
 
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "#include <c>",
-            sort("#include <b>\n"
-                 "#include <a>\n"
-                 "\n"
-                 "#include <b>\n"
-                 "\n"
-                 "#include <c>\n"
-                 "#include <b>"));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "#include <c>",
+               sort("#include <b>\n"
+                    "#include <a>\n"
+                    "\n"
+                    "#include <b>\n"
+                    "\n"
+                    "#include <c>\n"
+                    "#include <b>"));
 }
 
 TEST_F(SortIncludesTest, CalculatesCorrectCursorPositionAfterDeduplicate) {
-  std::string Code = "#include <b>\n"      // Start of line: 0
-                     "#include <a>\n"      // Start of line: 13
-                     "#include <b>\n"      // Start of line: 26
-                     "#include <b>\n"      // Start of line: 39
-                     "#include <c>\n"      // Start of line: 52
-                     "#include <b>\n";     // Start of line: 65
-  std::string Expected = "#include <a>\n"  // Start of line: 0
-                         "#include <b>\n"  // Start of line: 13
-                         "#include <c>\n"; // Start of line: 26
-  EXPECT_EQ(Expected, sort(Code));
+  StringRef Code = "#include <b>\n"      // Start of line: 0
+                   "#include <a>\n"      // Start of line: 13
+                   "#include <b>\n"      // Start of line: 26
+                   "#include <b>\n"      // Start of line: 39
+                   "#include <c>\n"      // Start of line: 52
+                   "#include <b>\n";     // Start of line: 65
+  StringRef Expected = "#include <a>\n"  // Start of line: 0
+                       "#include <b>\n"  // Start of line: 13
+                       "#include <c>\n"; // Start of line: 26
+  verifyFormat(Expected, sort(Code));
   // Cursor on 'i' in "#include <a>".
   EXPECT_EQ(1u, newCursor(Code, 14));
   // Cursor on 'b' in "#include <b>".
@@ -1033,26 +1033,26 @@ TEST_F(SortIncludesTest, 
CalculatesCorrectCursorPositionAfterDeduplicate) {
 }
 
 TEST_F(SortIncludesTest, DeduplicateLocallyInEachBlock) {
-  EXPECT_EQ("#include <a>\n"
-            "#include <b>\n"
-            "\n"
-            "#include <b>\n"
-            "#include <c>",
-            sort("#include <a>\n"
-                 "#include <b>\n"
-                 "\n"
-                 "#include <c>\n"
-                 "#include <b>\n"
-                 "#include <b>"));
+  verifyFormat("#include <a>\n"
+               "#include <b>\n"
+               "\n"
+               "#include <b>\n"
+               "#include <c>",
+               sort("#include <a>\n"
+                    "#include <b>\n"
+                    "\n"
+                    "#include <c>\n"
+                    "#include <b>\n"
+                    "#include <b>"));
 }
 
 TEST_F(SortIncludesTest, ValidAffactedRangesAfterDeduplicatingIncludes) {
-  std::string Code = "#include <a>\n"
-                     "#include <b>\n"
-                     "#include <a>\n"
-                     "#include <a>\n"
-                     "\n"
-                     "   int     x ;";
+  StringRef Code = "#include <a>\n"
+                   "#include <b>\n"
+                   "#include <a>\n"
+                   "#include <a>\n"
+                   "\n"
+                   "   int     x ;";
   std::vector<tooling::Range> Ranges = {tooling::Range(0, 52)};
   auto Replaces = sortIncludes(FmtStyle, Code, Ranges, "input.cpp");
   Ranges = tooling::calculateRangesAfterReplacements(Replaces, Ranges);
@@ -1062,80 +1062,78 @@ TEST_F(SortIncludesTest, 
ValidAffactedRangesAfterDeduplicatingIncludes) {
 }
 
 TEST_F(SortIncludesTest, DoNotSortLikelyXml) {
-  EXPECT_EQ("<!--;\n"
-            "#include <b>\n"
-            "#include <a>\n"
-            "-->",
-            sort("<!--;\n"
-                 "#include <b>\n"
-                 "#include <a>\n"
-                 "-->",
-                 "input.h", 0));
+  verifyFormat("<!--;\n"
+               "#include <b>\n"
+               "#include <a>\n"
+               "-->",
+               sort("<!--;\n"
+                    "#include <b>\n"
+                    "#include <a>\n"
+                    "-->",
+                    "input.h", 0));
 }
 
 TEST_F(SortIncludesTest, DoNotOutputReplacementsForSortedBlocksWithRegrouping) 
{
   Style.IncludeBlocks = Style.IBS_Regroup;
-  std::string Code = R"(
-#include "b.h"
-
-#include <a.h>
-)";
-  EXPECT_EQ(Code, sort(Code, "input.h", 0));
+  StringRef Code = "#include \"b.h\"\n"
+                   "\n"
+                   "#include <a.h>";
+  verifyFormat(Code, sort(Code, "input.h", 0));
 }
 
 TEST_F(SortIncludesTest,
        DoNotOutputReplacementsForSortedBlocksWithRegroupingWindows) {
   Style.IncludeBlocks = Style.IBS_Regroup;
-  std::string Code = "#include \"b.h\"\r\n"
-                     "\r\n"
-                     "#include <a.h>\r\n";
-  EXPECT_EQ(Code, sort(Code, "input.h", 0));
+  StringRef Code = "#include \"b.h\"\r\n"
+                   "\r\n"
+                   "#include <a.h>\r\n";
+  verifyFormat(Code, sort(Code, "input.h", 0));
 }
 
 TEST_F(SortIncludesTest, MainIncludeChar) {
-  std::string Code = "#include <a>\n"
-                     "#include \"quote/input.h\"\n"
-                     "#include <angle-bracket/input.h>\n";
+  StringRef Code = "#include <a>\n"
+                   "#include \"quote/input.h\"\n"
+                   "#include <angle-bracket/input.h>\n";
 
   // Default behavior
-  EXPECT_EQ("#include \"quote/input.h\"\n"
-            "#include <a>\n"
-            "#include <angle-bracket/input.h>\n",
-            sort(Code, "input.cc", 1));
+  verifyFormat("#include \"quote/input.h\"\n"
+               "#include <a>\n"
+               "#include <angle-bracket/input.h>\n",
+               sort(Code, "input.cc", 1));
 
   Style.MainIncludeChar = tooling::IncludeStyle::MICD_Quote;
-  EXPECT_EQ("#include \"quote/input.h\"\n"
-            "#include <a>\n"
-            "#include <angle-bracket/input.h>\n",
-            sort(Code, "input.cc", 1));
+  verifyFormat("#include \"quote/input.h\"\n"
+               "#include <a>\n"
+               "#include <angle-bracket/input.h>\n",
+               sort(Code, "input.cc", 1));
 
   Style.MainIncludeChar = tooling::IncludeStyle::MICD_AngleBracket;
-  EXPECT_EQ("#include <angle-bracket/input.h>\n"
-            "#include \"quote/input.h\"\n"
-            "#include <a>\n",
-            sort(Code, "input.cc", 1));
+  verifyFormat("#include <angle-bracket/input.h>\n"
+               "#include \"quote/input.h\"\n"
+               "#include <a>\n",
+               sort(Code, "input.cc", 1));
 }
 
 TEST_F(SortIncludesTest, MainIncludeCharAnyPickQuote) {
   Style.MainIncludeChar = tooling::IncludeStyle::MICD_Any;
-  EXPECT_EQ("#include \"input.h\"\n"
-            "#include <a>\n"
-            "#include <b>\n",
-            sort("#include <a>\n"
-                 "#include \"input.h\"\n"
-                 "#include <b>\n",
-                 "input.cc", 1));
+  verifyFormat("#include \"input.h\"\n"
+               "#include <a>\n"
+               "#include <b>\n",
+               sort("#include <a>\n"
+                    "#include \"input.h\"\n"
+                    "#include <b>\n",
+                    "input.cc", 1));
 }
 
 TEST_F(SortIncludesTest, MainIncludeCharAnyPickAngleBracket) {
   Style.MainIncludeChar = tooling::IncludeStyle::MICD_Any;
-  EXPECT_EQ("#include <input.h>\n"
-            "#include <a>\n"
-            "#include <b>\n",
-            sort("#include <a>\n"
-                 "#include <input.h>\n"
-                 "#include <b>\n",
-                 "input.cc", 1));
+  verifyFormat("#include <input.h>\n"
+               "#include <a>\n"
+               "#include <b>\n",
+               sort("#include <a>\n"
+                    "#include <input.h>\n"
+                    "#include <b>\n",
+                    "input.cc", 1));
 }
 
 TEST_F(SortIncludesTest, MainIncludeCharQuoteAndRegroup) {
@@ -1144,28 +1142,28 @@ TEST_F(SortIncludesTest, 
MainIncludeCharQuoteAndRegroup) {
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
   Style.MainIncludeChar = tooling::IncludeStyle::MICD_Quote;
 
-  EXPECT_EQ("#include \"lib-b/input.h\"\n"
-            "\n"
-            "#include <lib-a/h-1.h>\n"
-            "#include <lib-a/h-3.h>\n"
-            "#include <lib-a/input.h>\n"
-            "\n"
-            "#include <lib-b/h-1.h>\n"
-            "#include <lib-b/h-3.h>\n"
-            "\n"
-            "#include <lib-c/h-1.h>\n"
-            "#include <lib-c/h-2.h>\n"
-            "#include <lib-c/h-3.h>\n",
-            sort("#include <lib-c/h-1.h>\n"
-                 "#include <lib-c/h-2.h>\n"
-                 "#include <lib-c/h-3.h>\n"
-                 "#include <lib-b/h-1.h>\n"
-                 "#include \"lib-b/input.h\"\n"
-                 "#include <lib-b/h-3.h>\n"
-                 "#include <lib-a/h-1.h>\n"
-                 "#include <lib-a/input.h>\n"
-                 "#include <lib-a/h-3.h>\n",
-                 "input.cc"));
+  verifyFormat("#include \"lib-b/input.h\"\n"
+               "\n"
+               "#include <lib-a/h-1.h>\n"
+               "#include <lib-a/h-3.h>\n"
+               "#include <lib-a/input.h>\n"
+               "\n"
+               "#include <lib-b/h-1.h>\n"
+               "#include <lib-b/h-3.h>\n"
+               "\n"
+               "#include <lib-c/h-1.h>\n"
+               "#include <lib-c/h-2.h>\n"
+               "#include <lib-c/h-3.h>\n",
+               sort("#include <lib-c/h-1.h>\n"
+                    "#include <lib-c/h-2.h>\n"
+                    "#include <lib-c/h-3.h>\n"
+                    "#include <lib-b/h-1.h>\n"
+                    "#include \"lib-b/input.h\"\n"
+                    "#include <lib-b/h-3.h>\n"
+                    "#include <lib-a/h-1.h>\n"
+                    "#include <lib-a/input.h>\n"
+                    "#include <lib-a/h-3.h>\n",
+                    "input.cc"));
 }
 
 TEST_F(SortIncludesTest, MainIncludeCharAngleBracketAndRegroup) {
@@ -1174,60 +1172,60 @@ TEST_F(SortIncludesTest, 
MainIncludeCharAngleBracketAndRegroup) {
   Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
   Style.MainIncludeChar = tooling::IncludeStyle::MICD_AngleBracket;
 
-  EXPECT_EQ("#include <lib-a/input.h>\n"
-            "\n"
-            "#include <lib-a/h-1.h>\n"
-            "#include <lib-a/h-3.h>\n"
-            "\n"
-            "#include \"lib-b/input.h\"\n"
-            "#include <lib-b/h-1.h>\n"
-            "#include <lib-b/h-3.h>\n"
-            "\n"
-            "#include <lib-c/h-1.h>\n"
-            "#include <lib-c/h-2.h>\n"
-            "#include <lib-c/h-3.h>\n",
-            sort("#include <lib-c/h-1.h>\n"
-                 "#include <lib-c/h-2.h>\n"
-                 "#include <lib-c/h-3.h>\n"
-                 "#include <lib-b/h-1.h>\n"
-                 "#include \"lib-b/input.h\"\n"
-                 "#include <lib-b/h-3.h>\n"
-                 "#include <lib-a/h-1.h>\n"
-                 "#include <lib-a/input.h>\n"
-                 "#include <lib-a/h-3.h>\n",
-                 "input.cc"));
+  verifyFormat("#include <lib-a/input.h>\n"
+               "\n"
+               "#include <lib-a/h-1.h>\n"
+               "#include <lib-a/h-3.h>\n"
+               "\n"
+               "#include \"lib-b/input.h\"\n"
+               "#include <lib-b/h-1.h>\n"
+               "#include <lib-b/h-3.h>\n"
+               "\n"
+               "#include <lib-c/h-1.h>\n"
+               "#include <lib-c/h-2.h>\n"
+               "#include <lib-c/h-3.h>\n",
+               sort("#include <lib-c/h-1.h>\n"
+                    "#include <lib-c/h-2.h>\n"
+                    "#include <lib-c/h-3.h>\n"
+                    "#include <lib-b/h-1.h>\n"
+                    "#include \"lib-b/input.h\"\n"
+                    "#include <lib-b/h-3.h>\n"
+                    "#include <lib-a/h-1.h>\n"
+                    "#include <lib-a/input.h>\n"
+                    "#include <lib-a/h-3.h>\n",
+                    "input.cc"));
 }
 
 TEST_F(SortIncludesTest, DoNotRegroupGroupsInGoogleObjCStyle) {
   FmtStyle = getGoogleStyle(FormatStyle::LK_ObjC);
 
-  EXPECT_EQ("#include <a.h>\n"
-            "#include <b.h>\n"
-            "#include \"a.h\"",
-            sort("#include <b.h>\n"
-                 "#include <a.h>\n"
-                 "#include \"a.h\""));
+  verifyFormat("#include <a.h>\n"
+               "#include <b.h>\n"
+               "#include \"a.h\"",
+               sort("#include <b.h>\n"
+                    "#include <a.h>\n"
+                    "#include \"a.h\""));
 }
 
 TEST_F(SortIncludesTest, DoNotTreatPrecompiledHeadersAsFirstBlock) {
   Style.IncludeBlocks = Style.IBS_Merge;
-  std::string Code = "#include \"d.h\"\r\n"
-                     "#include \"b.h\"\r\n"
-                     "#pragma hdrstop\r\n"
-                     "\r\n"
-                     "#include \"c.h\"\r\n"
-                     "#include \"a.h\"\r\n"
-                     "#include \"e.h\"\r\n";
-
-  std::string Expected = "#include \"b.h\"\r\n"
-                         "#include \"d.h\"\r\n"
-                         "#pragma hdrstop\r\n"
-                         "\r\n"
-                         "#include \"e.h\"\r\n"
-                         "#include \"a.h\"\r\n"
-                         "#include \"c.h\"\r\n";
-
-  EXPECT_EQ(Expected, sort(Code, "e.cpp", 2));
+  StringRef Code = "#include \"d.h\"\r\n"
+                   "#include \"b.h\"\r\n"
+                   "#pragma hdrstop\r\n"
+                   "\r\n"
+                   "#include \"c.h\"\r\n"
+                   "#include \"a.h\"\r\n"
+                   "#include \"e.h\"\r\n";
+
+  StringRef Expected = "#include \"b.h\"\r\n"
+                       "#include \"d.h\"\r\n"
+                       "#pragma hdrstop\r\n"
+                       "\r\n"
+                       "#include \"e.h\"\r\n"
+                       "#include \"a.h\"\r\n"
+                       "#include \"c.h\"\r\n";
+
+  verifyFormat(Expected, sort(Code, "e.cpp", 2));
 
   Code = "#include \"d.h\"\n"
          "#include \"b.h\"\n"
@@ -1245,59 +1243,59 @@ TEST_F(SortIncludesTest, 
DoNotTreatPrecompiledHeadersAsFirstBlock) {
              "#include \"a.h\"\n"
              "#include \"c.h\"\n";
 
-  EXPECT_EQ(Expected, sort(Code, "e.cpp", 2));
+  verifyFormat(Expected, sort(Code, "e.cpp", 2));
 }
 
 TEST_F(SortIncludesTest, skipUTF8ByteOrderMarkMerge) {
   Style.IncludeBlocks = Style.IBS_Merge;
-  std::string Code = "\xEF\xBB\xBF#include \"d.h\"\r\n"
-                     "#include \"b.h\"\r\n"
-                     "\r\n"
-                     "#include \"c.h\"\r\n"
-                     "#include \"a.h\"\r\n"
-                     "#include \"e.h\"\r\n";
-
-  std::string Expected = "\xEF\xBB\xBF#include \"e.h\"\r\n"
-                         "#include \"a.h\"\r\n"
-                         "#include \"b.h\"\r\n"
-                         "#include \"c.h\"\r\n"
-                         "#include \"d.h\"\r\n";
-
-  EXPECT_EQ(Expected, sort(Code, "e.cpp", 1));
+  StringRef Code = "\xEF\xBB\xBF#include \"d.h\"\r\n"
+                   "#include \"b.h\"\r\n"
+                   "\r\n"
+                   "#include \"c.h\"\r\n"
+                   "#include \"a.h\"\r\n"
+                   "#include \"e.h\"\r\n";
+
+  StringRef Expected = "\xEF\xBB\xBF#include \"e.h\"\r\n"
+                       "#include \"a.h\"\r\n"
+                       "#include \"b.h\"\r\n"
+                       "#include \"c.h\"\r\n"
+                       "#include \"d.h\"\r\n";
+
+  verifyFormat(Expected, sort(Code, "e.cpp", 1));
 }
 
 TEST_F(SortIncludesTest, skipUTF8ByteOrderMarkPreserve) {
   Style.IncludeBlocks = Style.IBS_Preserve;
-  std::string Code = "\xEF\xBB\xBF#include \"d.h\"\r\n"
-                     "#include \"b.h\"\r\n"
-                     "\r\n"
-                     "#include \"c.h\"\r\n"
-                     "#include \"a.h\"\r\n"
-                     "#include \"e.h\"\r\n";
-
-  std::string Expected = "\xEF\xBB\xBF#include \"b.h\"\r\n"
-                         "#include \"d.h\"\r\n"
-                         "\r\n"
-                         "#include \"a.h\"\r\n"
-                         "#include \"c.h\"\r\n"
-                         "#include \"e.h\"\r\n";
-
-  EXPECT_EQ(Expected, sort(Code, "e.cpp", 2));
+  StringRef Code = "\xEF\xBB\xBF#include \"d.h\"\r\n"
+                   "#include \"b.h\"\r\n"
+                   "\r\n"
+                   "#include \"c.h\"\r\n"
+                   "#include \"a.h\"\r\n"
+                   "#include \"e.h\"\r\n";
+
+  StringRef Expected = "\xEF\xBB\xBF#include \"b.h\"\r\n"
+                       "#include \"d.h\"\r\n"
+                       "\r\n"
+                       "#include \"a.h\"\r\n"
+                       "#include \"c.h\"\r\n"
+                       "#include \"e.h\"\r\n";
+
+  verifyFormat(Expected, sort(Code, "e.cpp", 2));
 }
 
 TEST_F(SortIncludesTest, MergeLines) {
   Style.IncludeBlocks = Style.IBS_Merge;
-  std::string Code = "#include \"c.h\"\r\n"
-                     "#include \"b\\\r\n"
-                     ".h\"\r\n"
-                     "#include \"a.h\"\r\n";
+  StringRef Code = "#include \"c.h\"\r\n"
+                   "#include \"b\\\r\n"
+                   ".h\"\r\n"
+                   "#include \"a.h\"\r\n";
 
-  std::string Expected = "#include \"a.h\"\r\n"
-                         "#include \"b\\\r\n"
-                         ".h\"\r\n"
-                         "#include \"c.h\"\r\n";
+  StringRef Expected = "#include \"a.h\"\r\n"
+                       "#include \"b\\\r\n"
+                       ".h\"\r\n"
+                       "#include \"c.h\"\r\n";
 
-  EXPECT_EQ(Expected, sort(Code, "a.cpp", 1));
+  verifyFormat(Expected, sort(Code, "a.cpp", 1));
 }
 
 TEST_F(SortIncludesTest, DisableFormatDisablesIncludeSorting) {
@@ -1305,154 +1303,154 @@ TEST_F(SortIncludesTest, 
DisableFormatDisablesIncludeSorting) {
                      "#include <b.h>\n";
   StringRef Unsorted = "#include <b.h>\n"
                        "#include <a.h>\n";
-  EXPECT_EQ(Sorted, sort(Unsorted));
+  verifyFormat(Sorted, sort(Unsorted));
   FmtStyle.DisableFormat = true;
-  EXPECT_EQ(Unsorted, sort(Unsorted, "input.cpp", 0));
+  verifyFormat(Unsorted, sort(Unsorted, "input.cpp", 0));
 }
 
 TEST_F(SortIncludesTest, DisableRawStringLiteralSorting) {
 
-  EXPECT_EQ("const char *t = R\"(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")\";",
-            sort("const char *t = R\"(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")\";",
-                 "test.cxx", 0));
-  EXPECT_EQ("const char *t = R\"x(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")x\";",
-            sort("const char *t = R\"x(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")x\";",
-                 "test.cxx", 0));
-  EXPECT_EQ("const char *t = R\"xyz(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")xyz\";",
-            sort("const char *t = R\"xyz(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")xyz\";",
-                 "test.cxx", 0));
-
-  EXPECT_EQ("#include <a.h>\n"
-            "#include <b.h>\n"
-            "const char *t = R\"(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")\";\n"
-            "#include <c.h>\n"
-            "#include <d.h>\n"
-            "const char *t = R\"x(\n"
-            "#include <f.h>\n"
-            "#include <e.h>\n"
-            ")x\";\n"
-            "#include <g.h>\n"
-            "#include <h.h>\n"
-            "const char *t = R\"xyz(\n"
-            "#include <j.h>\n"
-            "#include <i.h>\n"
-            ")xyz\";\n"
-            "#include <k.h>\n"
-            "#include <l.h>",
-            sort("#include <b.h>\n"
-                 "#include <a.h>\n"
-                 "const char *t = R\"(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")\";\n"
-                 "#include <d.h>\n"
-                 "#include <c.h>\n"
-                 "const char *t = R\"x(\n"
-                 "#include <f.h>\n"
-                 "#include <e.h>\n"
-                 ")x\";\n"
-                 "#include <h.h>\n"
-                 "#include <g.h>\n"
-                 "const char *t = R\"xyz(\n"
-                 "#include <j.h>\n"
-                 "#include <i.h>\n"
-                 ")xyz\";\n"
-                 "#include <l.h>\n"
-                 "#include <k.h>",
-                 "test.cc", 4));
-
-  EXPECT_EQ("const char *t = R\"AMZ029amz(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")AMZ029amz\";",
-            sort("const char *t = R\"AMZ029amz(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")AMZ029amz\";",
-                 "test.cxx", 0));
-
-  EXPECT_EQ("const char *t = R\"-AMZ029amz(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")-AMZ029amz\";",
-            sort("const char *t = R\"-AMZ029amz(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")-AMZ029amz\";",
-                 "test.cxx", 0));
-
-  EXPECT_EQ("const char *t = R\"AMZ029amz-(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")AMZ029amz-\";",
-            sort("const char *t = R\"AMZ029amz-(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")AMZ029amz-\";",
-                 "test.cxx", 0));
-
-  EXPECT_EQ("const char *t = R\"AM|029amz-(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")AM|029amz-\";",
-            sort("const char *t = R\"AM|029amz-(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")AM|029amz-\";",
-                 "test.cxx", 0));
-
-  EXPECT_EQ("const char *t = R\"AM[029amz-(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")AM[029amz-\";",
-            sort("const char *t = R\"AM[029amz-(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")AM[029amz-\";",
-                 "test.cxx", 0));
-
-  EXPECT_EQ("const char *t = R\"AM]029amz-(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")AM]029amz-\";",
-            sort("const char *t = R\"AM]029amz-(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")AM]029amz-\";",
-                 "test.cxx", 0));
+  verifyFormat("const char *t = R\"(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")\";",
+               sort("const char *t = R\"(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")\";",
+                    "test.cxx", 0));
+  verifyFormat("const char *t = R\"x(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")x\";",
+               sort("const char *t = R\"x(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")x\";",
+                    "test.cxx", 0));
+  verifyFormat("const char *t = R\"xyz(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")xyz\";",
+               sort("const char *t = R\"xyz(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")xyz\";",
+                    "test.cxx", 0));
+
+  verifyFormat("#include <a.h>\n"
+               "#include <b.h>\n"
+               "const char *t = R\"(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")\";\n"
+               "#include <c.h>\n"
+               "#include <d.h>\n"
+               "const char *t = R\"x(\n"
+               "#include <f.h>\n"
+               "#include <e.h>\n"
+               ")x\";\n"
+               "#include <g.h>\n"
+               "#include <h.h>\n"
+               "const char *t = R\"xyz(\n"
+               "#include <j.h>\n"
+               "#include <i.h>\n"
+               ")xyz\";\n"
+               "#include <k.h>\n"
+               "#include <l.h>",
+               sort("#include <b.h>\n"
+                    "#include <a.h>\n"
+                    "const char *t = R\"(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")\";\n"
+                    "#include <d.h>\n"
+                    "#include <c.h>\n"
+                    "const char *t = R\"x(\n"
+                    "#include <f.h>\n"
+                    "#include <e.h>\n"
+                    ")x\";\n"
+                    "#include <h.h>\n"
+                    "#include <g.h>\n"
+                    "const char *t = R\"xyz(\n"
+                    "#include <j.h>\n"
+                    "#include <i.h>\n"
+                    ")xyz\";\n"
+                    "#include <l.h>\n"
+                    "#include <k.h>",
+                    "test.cc", 4));
+
+  verifyFormat("const char *t = R\"AMZ029amz(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")AMZ029amz\";",
+               sort("const char *t = R\"AMZ029amz(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")AMZ029amz\";",
+                    "test.cxx", 0));
+
+  verifyFormat("const char *t = R\"-AMZ029amz(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")-AMZ029amz\";",
+               sort("const char *t = R\"-AMZ029amz(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")-AMZ029amz\";",
+                    "test.cxx", 0));
+
+  verifyFormat("const char *t = R\"AMZ029amz-(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")AMZ029amz-\";",
+               sort("const char *t = R\"AMZ029amz-(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")AMZ029amz-\";",
+                    "test.cxx", 0));
+
+  verifyFormat("const char *t = R\"AM|029amz-(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")AM|029amz-\";",
+               sort("const char *t = R\"AM|029amz-(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")AM|029amz-\";",
+                    "test.cxx", 0));
+
+  verifyFormat("const char *t = R\"AM[029amz-(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")AM[029amz-\";",
+               sort("const char *t = R\"AM[029amz-(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")AM[029amz-\";",
+                    "test.cxx", 0));
+
+  verifyFormat("const char *t = R\"AM]029amz-(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")AM]029amz-\";",
+               sort("const char *t = R\"AM]029amz-(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")AM]029amz-\";",
+                    "test.cxx", 0));
 
 #define X "AMZ029amz{}+!%*=_:;',.<>|/?#~-$"
 
-  EXPECT_EQ("const char *t = R\"" X "(\n"
-            "#include <b.h>\n"
-            "#include <a.h>\n"
-            ")" X "\";",
-            sort("const char *t = R\"" X "(\n"
-                 "#include <b.h>\n"
-                 "#include <a.h>\n"
-                 ")" X "\";",
-                 "test.cxx", 0));
+  verifyFormat("const char *t = R\"" X "(\n"
+               "#include <b.h>\n"
+               "#include <a.h>\n"
+               ")" X "\";",
+               sort("const char *t = R\"" X "(\n"
+                    "#include <b.h>\n"
+                    "#include <a.h>\n"
+                    ")" X "\";",
+                    "test.cxx", 0));
 
 #undef X
 }


        
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