{[]byte("abc"), 'y', false},
	{[]byte("abc"), 'c', true},
	{[]byte("a☺b☻c☹d"), 'x', false},
	{[]byte("a☺b☻c☹d"), '☻', true},
	{[]byte("aRegExp*"), '*', true},
}

func TestContainsRune(t *testing.T) {
	for _, ct := range ContainsRuneTests {
		if ContainsRune(ct.b, ct.r) != ct.expected {
			t.Errorf("ContainsRune(%q, %q) = %v, want %v",
				ct.b, ct.r, !ct.expected, ct.expected)
		}
	}