# Note: this test depends on strerror() using locale.

failures=0

check() {
	if ! eval "[ $1 ]"; then
		echo "Failed: $1 at $2"
		: $((failures += 1))
	fi
}

unset LANG LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY LC_NUMERIC LC_TIME LC_MESSAGES
unset LANGUAGE

msgeng="No such file or directory"
msgdut="Bestand of map niet gevonden"

# Verify C locale error message.
case $(command . /var/empty/foo 2>&1) in
	*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

# Various locale variables that should not affect the message.
case $(LC_ALL=C command . /var/empty/foo 2>&1) in
	*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(LC_ALL=C LANG=nl_NL.ISO8859-1 command . /var/empty/foo 2>&1) in
	*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(LC_ALL=C LC_MESSAGES=nl_NL.ISO8859-1 command . /var/empty/foo 2>&1) in
	*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(LC_CTYPE=nl_NL.ISO8859-1 command . /var/empty/foo 2>&1) in
	*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

# Verify Dutch message.
case $(export LANG=nl_NL.ISO8859-1; command . /var/empty/foo 2>&1) in
	*"$msgdut"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(export LC_MESSAGES=nl_NL.ISO8859-1; command . /var/empty/foo 2>&1) in
	*"$msgdut"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(export LC_ALL=nl_NL.ISO8859-1; command . /var/empty/foo 2>&1) in
	*"$msgdut"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(LANG=nl_NL.ISO8859-1 command . /var/empty/foo 2>&1) in
	*"$msgdut"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(LC_MESSAGES=nl_NL.ISO8859-1 command . /var/empty/foo 2>&1) in
	*"$msgdut"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(LC_ALL=nl_NL.ISO8859-1 command . /var/empty/foo 2>&1) in
	*"$msgdut"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

# Verify that command assignments do not set the locale persistently.
case $(command . /var/empty/foo 2>&1) in
	*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(LANG=nl_NL.ISO8859-1 command . /var/empty/foo 2>&1; command . /var/empty/foo 2>&1) in
	*"$msgdut"*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(LC_MESSAGES=nl_NL.ISO8859-1 command . /var/empty/foo 2>&1; command . /var/empty/foo 2>&1) in
	*"$msgdut"*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(LC_ALL=nl_NL.ISO8859-1 command . /var/empty/foo 2>&1; command . /var/empty/foo 2>&1) in
	*"$msgdut"*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

# Check special builtin; add colon invocation to avoid depending on certain fix.
case $(LC_ALL=nl_NL.ISO8859-1 . /var/empty/foo 2>&1; :) in
	*"$msgdut"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

# Assignments on special builtins are exported to that builtin; the export
# is not persistent.
case $(LC_ALL=nl_NL.ISO8859-1 . /dev/null; . /var/empty/foo 2>&1) in
	*"$msgeng"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

case $(export LC_ALL; LC_ALL=nl_NL.ISO8859-1 . /dev/null; . /var/empty/foo 2>&1) in
	*"$msgdut"*) ok=1 ;;
	*) ok=0 ;;
esac
check '$ok -eq 1' $LINENO

exit $((failures > 0))