found  bool
}{
	{"abc", "bc", "a", true},
	{"abc", "abc", "", true},
	{"abc", "", "abc", true},
	{"abc", "d", "abc", false},
	{"", "d", "", false},
	{"", "", "", true},
}

func TestCutSuffix(t *testing.T) {
	for _, tt := range cutSuffixTests {
		if before, found := CutSuffix([]byte(tt.s), []byte(tt.sep)); string(before) != tt.before || found != tt.found {