{"", "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 {
			t.Errorf("CutSuffix(%q, %q) = %q, %v, want %q, %v", tt.s, tt.sep, before, found, tt.before, tt.found)
		}
	}
}

func TestBufferGrowNegative(t *testing.T) {
	defer func() {