}
	if cNil1.Equal(cNonNil) {
		t.Error("Unexpectedly cNil1 is equal to cNonNil")
	}
	if cNonNil.Equal(cNil1) {
		t.Error("Unexpectedly cNonNil is equal to cNil1")
	}
}

func TestMismatchedSignatureAlgorithm(t *testing.T) {
	der, _ := pem.Decode([]byte(rsaPSSSelfSignedPEM))
	if der == nil {
		t.Fatal("Failed to find PEM block")
	}

	cert, err := ParseCertificate(der.Bytes)
	if err != nil {