public unsafe void Compare_Sha512Hpt_Test(PrvToAddrUncompComparer comp, byte[] key, bool expected)
{
ulong *hPt = stackalloc ulong[8];
Helper.WriteToHpt32(key, hPt);
bool actual = comp.Compare(hPt);
Assert.Equal(expected, actual);
}
public unsafe void Compare_PointJ_Test(PrvToAddrUncompComparer comp, byte[] key, bool expected)
{
Scalar sc = new(key, out int overflow);
if (overflow == 0 && !sc.IsZero)
{
PointJacobian point = Helper.Calc.MultiplyByG(sc);
bool actual = comp.Compare(point);
Assert.Equal(expected, actual);
}
}
public static IEnumerable <object[]> GetCases()
{
var comp = new PrvToAddrUncompComparer();
Assert.True(comp.Init(KeyHelper.Pub1BechAddrUncomp));
yield return(new object[] { comp, new byte[32], false });
yield return(new object[] { comp, Enumerable.Repeat((byte)255, 32).ToArray(), false });
yield return(new object[] { comp, KeyHelper.Prv1.ToBytes(), true });
yield return(new object[] { comp, KeyHelper.Prv2.ToBytes(), false });
}
public void Compare_UncompressedTest()
{
var comp = new PrvToAddrUncompComparer();
Assert.True(comp.Init(KeyHelper.Pub1UnCompAddr));
byte[] key = KeyHelper.Prv1.ToBytes();
key[0]++;
bool b = comp.Compare(key);
Assert.False(b);
key[0]--;
b = comp.Compare(key);
Assert.True(b);
}
public void CloneTest()
{
var original = new PrvToAddrUncompComparer();
Assert.True(original.Init(KeyHelper.Pub1UnCompAddr)); // Make sure it is successfully initialized
var cloned = original.Clone();
// Change original field value to make sure it is cloned not a reference copy
Assert.True(original.Init(KeyHelper.Pub2UnCompAddr));
byte[] key = KeyHelper.Prv1.ToBytes();
// Since the original was changed it should fail when comparing
Assert.False(original.Compare(key));
Assert.True(cloned.Compare(key));
}
public void Compare_EdgeTest()
{
var comp = new PrvToAddrUncompComparer();
Assert.True(comp.Init(KeyHelper.Pub1CompAddr));
byte[] key = new byte[32];
bool b = comp.Compare(key);
Assert.False(b);
((Span <byte>)key).Fill(255);
b = comp.Compare(key);
Assert.False(b);
key = new SecP256k1().N.ToByteArray(true, true);
b = comp.Compare(key);
Assert.False(b);
}
