Author: jilles
Date: Sun Apr 23 21:58:17 2017
New Revision: 317347
URL: https://svnweb.freebsd.org/changeset/base/317347
Log:
sh: Add tests for NUL byte in command substitution output.
Added:
head/bin/sh/tests/expansion/cmdsubst24.0 (contents, props changed)
Modified:
head/bin/sh/tests/expansion/Makefile
Modified: head/bin/sh/tests/expansion/Makefile
==============================================================================
--- head/bin/sh/tests/expansion/Makefile Sun Apr 23 21:51:29 2017
(r317346)
+++ head/bin/sh/tests/expansion/Makefile Sun Apr 23 21:58:17 2017
(r317347)
@@ -45,6 +45,7 @@ ${PACKAGE}FILES+= cmdsubst20.0
${PACKAGE}FILES+= cmdsubst21.0
${PACKAGE}FILES+= cmdsubst22.0
${PACKAGE}FILES+= cmdsubst23.0
+${PACKAGE}FILES+= cmdsubst24.0
${PACKAGE}FILES+= export1.0
${PACKAGE}FILES+= export2.0
${PACKAGE}FILES+= export3.0
Added: head/bin/sh/tests/expansion/cmdsubst24.0
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/bin/sh/tests/expansion/cmdsubst24.0 Sun Apr 23 21:58:17 2017
(r317347)
@@ -0,0 +1,24 @@
+# $FreeBSD$
+# POSIX leaves the effect of NUL bytes in command substitution output
+# unspecified but we have always discarded them.
+
+failures=0
+
+check() {
+ if [ "$2" != "$3" ]; then
+ printf "Failed at line %s: got \"%s\" expected \"%s\"\n" "$1"
"$2" "$3"
+ : $((failures += 1))
+ fi
+}
+
+fmt='\0a\0 \0b\0c d\0'
+assign_builtin=$(printf "$fmt")
+check "$LINENO" "$assign_builtin" "a bc d"
+assign_pipeline=$(printf "$fmt" | cat)
+check "$LINENO" "$assign_pipeline" "a bc d"
+set -- $(printf "$fmt") $(printf "$fmt" | cat) "$(printf "$fmt")" "$(printf
"$fmt" | cat)"
+IFS=@
+splits="$*"
+check "$LINENO" "$splits" "a@bc@d@a@bc@d@a bc d@a bc d"
+
+[ "$failures" = 0 ]
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