mgorny updated this revision to Diff 179711.
mgorny retitled this revision from "[sanitizer_common] Add tests for remaining
*putc and *getc variants" to "[sanitizer_common] Add tests for more *putc and
*getc variants".
mgorny edited the summary of this revision.
mgorny added a comment.
Updated description.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D56152/new/
https://reviews.llvm.org/D56152
Files:
test/sanitizer_common/TestCases/Posix/fputc_putc_putchar.cc
test/sanitizer_common/TestCases/Posix/getc_unlocked.cc
test/sanitizer_common/TestCases/Posix/putc_putchar_unlocked.cc
Index: test/sanitizer_common/TestCases/Posix/putc_putchar_unlocked.cc
===================================================================
--- /dev/null
+++ test/sanitizer_common/TestCases/Posix/putc_putchar_unlocked.cc
@@ -0,0 +1,12 @@
+// RUN: %clangxx -g %s -o %t && %run %t | FileCheck %s
+// CHECK: bc
+
+#include <assert.h>
+#include <stdio.h>
+
+int main(void) {
+ assert(putc_unlocked('b', stdout) != EOF);
+ assert(putchar_unlocked('c') != EOF);
+
+ return 0;
+}
Index: test/sanitizer_common/TestCases/Posix/getc_unlocked.cc
===================================================================
--- /dev/null
+++ test/sanitizer_common/TestCases/Posix/getc_unlocked.cc
@@ -0,0 +1,20 @@
+// RUN: %clangxx -g %s -o %t && %run %t
+
+#include <assert.h>
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+ FILE *fp = fopen(argv[0], "r");
+ assert(fp);
+
+ // the file should be at least one character long, always
+ assert(getc_unlocked(fp) != EOF);
+ // POSIX guarantees being able to ungetc() at least one character
+ // NB: ungetc_unlocked is apparently not present
+ assert(ungetc('X', fp) != EOF);
+ // check whether ungetc() works with getc_unlocked()
+ assert(getc_unlocked(fp) == 'X');
+
+ assert(!fclose(fp));
+ return 0;
+}
Index: test/sanitizer_common/TestCases/Posix/fputc_putc_putchar.cc
===================================================================
--- /dev/null
+++ test/sanitizer_common/TestCases/Posix/fputc_putc_putchar.cc
@@ -0,0 +1,13 @@
+// RUN: %clangxx -g %s -o %t && %run %t | FileCheck %s
+// CHECK: abc
+
+#include <assert.h>
+#include <stdio.h>
+
+int main(void) {
+ assert(fputc('a', stdout) != EOF);
+ assert(putc('b', stdout) != EOF);
+ assert(putchar('c') != EOF);
+
+ return 0;
+}
Index: test/sanitizer_common/TestCases/Posix/putc_putchar_unlocked.cc
===================================================================
--- /dev/null
+++ test/sanitizer_common/TestCases/Posix/putc_putchar_unlocked.cc
@@ -0,0 +1,12 @@
+// RUN: %clangxx -g %s -o %t && %run %t | FileCheck %s
+// CHECK: bc
+
+#include <assert.h>
+#include <stdio.h>
+
+int main(void) {
+ assert(putc_unlocked('b', stdout) != EOF);
+ assert(putchar_unlocked('c') != EOF);
+
+ return 0;
+}
Index: test/sanitizer_common/TestCases/Posix/getc_unlocked.cc
===================================================================
--- /dev/null
+++ test/sanitizer_common/TestCases/Posix/getc_unlocked.cc
@@ -0,0 +1,20 @@
+// RUN: %clangxx -g %s -o %t && %run %t
+
+#include <assert.h>
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+ FILE *fp = fopen(argv[0], "r");
+ assert(fp);
+
+ // the file should be at least one character long, always
+ assert(getc_unlocked(fp) != EOF);
+ // POSIX guarantees being able to ungetc() at least one character
+ // NB: ungetc_unlocked is apparently not present
+ assert(ungetc('X', fp) != EOF);
+ // check whether ungetc() works with getc_unlocked()
+ assert(getc_unlocked(fp) == 'X');
+
+ assert(!fclose(fp));
+ return 0;
+}
Index: test/sanitizer_common/TestCases/Posix/fputc_putc_putchar.cc
===================================================================
--- /dev/null
+++ test/sanitizer_common/TestCases/Posix/fputc_putc_putchar.cc
@@ -0,0 +1,13 @@
+// RUN: %clangxx -g %s -o %t && %run %t | FileCheck %s
+// CHECK: abc
+
+#include <assert.h>
+#include <stdio.h>
+
+int main(void) {
+ assert(fputc('a', stdout) != EOF);
+ assert(putc('b', stdout) != EOF);
+ assert(putchar('c') != EOF);
+
+ return 0;
+}
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