}
		if (warn != nil) != c.warn {
			t.Errorf("ValidateLocalityLbSetting failed on %v: got warn=%v but wanted warn=%v: %v",
				c.name, warn != nil, c.warn, warn)
		}
	}
}

func TestValidateLocalities(t *testing.T) {
	cases := []struct {
		name       string
		localities []string
		valid      bool
	}{
		{
			name:       "multi wildcard locality",
			localities: []string{"*/zone/*"},