return ret
}

func testFallthrough(t *testing.T) {
	for i := 0; i < 6; i++ {
		if got := fallthrough_ssa(i); got != i {
			t.Errorf("fallthrough_ssa(i) = %d, wanted %d", got, i)
		}
	}
}

func testSwitch(t *testing.T) {
	for i := 0; i < 6; i++ {
		if got := switch_ssa(i); got != i {
			t.Errorf("switch_ssa(i) = %d, wanted %d", got, i)
		}
	}
}

type junk struct {
	step int
}

var sw socktest.Switch

func TestMain(m *testing.M) {
	installTestHooks()

	st := m.Run()

	for s := range sw.Sockets() {
		closeFunc(s)
	}
	uninstallTestHooks()
	os.Exit(st)
}

func TestSwitch(t *testing.T) {
	const N = 10
	var wg sync.WaitGroup
	wg.Add(N)
	for i := 0; i < N; i++ {
		go func() {
			defer wg.Done()
			for _, family := range []int{syscall.AF_INET, syscall.AF_INET6} {