public void TestCompareTo()
{
ECFieldElement X1 = new ECFieldElement(new BigInteger(100), ECCurve.Secp256k1);
ECFieldElement Y1 = new ECFieldElement(new BigInteger(200), ECCurve.Secp256k1);
ECFieldElement X2 = new ECFieldElement(new BigInteger(300), ECCurve.Secp256k1);
ECFieldElement Y2 = new ECFieldElement(new BigInteger(400), ECCurve.Secp256k1);
ECFieldElement X3 = new ECFieldElement(new BigInteger(100), ECCurve.Secp256r1);
ECFieldElement Y3 = new ECFieldElement(new BigInteger(400), ECCurve.Secp256r1);
ECPoint point1 = new ECPoint(X1, Y1, ECCurve.Secp256k1);
ECPoint point2 = new ECPoint(X2, Y1, ECCurve.Secp256k1);
ECPoint point3 = new ECPoint(X1, Y2, ECCurve.Secp256k1);
ECPoint point4 = new ECPoint(X3, Y3, ECCurve.Secp256r1);
point1.CompareTo(point1).Should().Be(0);
point1.CompareTo(point2).Should().Be(-1);
point2.CompareTo(point1).Should().Be(1);
point1.CompareTo(point3).Should().Be(-1);
point3.CompareTo(point1).Should().Be(1);
Action action = () => point3.CompareTo(point4);
action.Should().Throw <InvalidOperationException>();
}
public void Compare_Equal_Points()
{
// Arrange
var pubkey_A = "0238356c74a1ab4d40df857b790e4232180e2f99f5c78468c150d0903a3e5d2b6f".HexToBytes();
var pubkey_B = "0438356c74a1ab4d40df857b790e4232180e2f99f5c78468c150d0903a3e5d2b6fc88c3095b1b688d3d027477dfad0deb1ab94cb08db2de5abb79c1482aa1ea2fc".HexToBytes();
var pointA = new ECPoint(pubkey_A);
var pointB = new ECPoint(pubkey_B);
// Act
var result = pointA.CompareTo(pointB);
// Assert
Assert.AreEqual(0, result);
}
public void Compare_Different_Points()
{
// Arrange
var pubkey_A = "0238356c74a1ab4d40df857b790e4232180e2f99f5c78468c150d0903a3e5d2b6f".HexToBytes();
var pubkey_B = "0324de2cc4fe4b20963a5bae8cdcd52f431cd08ab331197e70e1d66d94ff35dda2".HexToBytes();
var point_A = new ECPoint(pubkey_A);
var point_B = new ECPoint(pubkey_B);
// Act
var result_A = point_A.CompareTo(point_B);
var result_B = point_B.CompareTo(point_A);
// Assert
Assert.AreEqual(1, result_A);
Assert.AreEqual(-1, result_B);
}