[apple/shell_cmds.git] / sh / tests / expansion / cmdsubst24.0

# $FreeBSD: head/bin/sh/tests/expansion/cmdsubst24.0 317347 2017-04-23 21:58:17Z jilles $
# 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 ]
Commit	Line	Data
254f12f7 A	1	# $FreeBSD: head/bin/sh/tests/expansion/cmdsubst24.0 317347 2017-04-23 21:58:17Z jilles $
	2	# POSIX leaves the effect of NUL bytes in command substitution output
	3	# unspecified but we have always discarded them.
	4
	5	failures=0
	6
	7	check() {
	8	if [ "$2" != "$3" ]; then
	9	printf "Failed at line %s: got \"%s\" expected \"%s\"\n" "$1" "$2" "$3"
	10	: $((failures += 1))
	11	fi
	12	}
	13
	14	fmt='\0a\0 \0b\0c d\0'
	15	assign_builtin=$(printf "$fmt")
	16	check "$LINENO" "$assign_builtin" "a bc d"
	17	assign_pipeline=$(printf "$fmt" \| cat)
	18	check "$LINENO" "$assign_pipeline" "a bc d"
	19	set -- $(printf "$fmt") $(printf "$fmt" \| cat) "$(printf "$fmt")" "$(printf "$fmt" \| cat)"
	20	IFS=@
	21	splits="$*"
	22	check "$LINENO" "$splits" "a@bc@d@a@bc@d@a bc d@a bc d"
	23
	24	[ "$failures" = 0 ]