Date: Sun, 23 Apr 2017 21:58:18 +0000 (UTC) From: Jilles Tjoelker <jilles@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r317347 - head/bin/sh/tests/expansion Message-ID: <201704232158.v3NLwIm3002388@repo.freebsd.org>
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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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