xref: /src/tests/usr.bin/xlint/lint1/msg_206.c

/*	$NetBSD: msg_206.c,v 1.7 2023/07/07 19:45:22 rillig Exp $	*/
# 3 "msg_206.c"

// Test for message: enumeration value(s) not handled in switch [206]

/* lint1-extra-flags: -eh -X 351 */

enum number {
	ONE, TWO, THREE
};

void
test(enum number num)
{
	switch (num) {
	case ONE:
	case TWO:
		break;
	}
	/* expect-1: warning: enumeration value(s) not handled in switch [206] */

	switch (num) {
	case ONE:
	case TWO:
	case THREE:
		break;
	}
}

int
too_many(enum number num)
{
	switch (num) {
	case ONE:
		return 1;
	case TWO:
		return 2;
	case THREE:
		return 3;
	case 3:
		return -1;
	}
	/*
	 * Before func.c 1.137 from 2022-05-22, lint complained that there
	 * were enum constants not handled in switch, even though all of them
	 * are handled.  The code smell in this case is that there are _too
	 * many_ branches that cover "impossible" values.
	 */
	return 3;
}