public void MaxUInt32TwiceToBytes()
{
Integer256 value = new Integer256();
var newvalue = value.Add(UInt32.MaxValue).Add(UInt32.MaxValue);
var result = newvalue.ToBytes();
AreEqual(result, new byte[] { 0x01, 0xff, 0xff, 0xff, 0xfe });
}
public void AddOneToOne()
{
var one = new Integer256().Add(1);
var value = one.Add(one);
var result = value.ToBytes();
AreEqual(result, new byte[] { 0x02 });
}
public void MaxUInt32PlusOneToBytes()
{
Integer256 value = new Integer256();
var newvalue = value.Add(UInt32.MaxValue).Add(1);
var result = newvalue.ToBytes();
AreEqual(result, new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00 });
}
public void EqualsAndHash()
{
var zero = new Integer256();
var one1 = new Integer256().Add(1);
var one2 = new Integer256().Add(1);
var minusone = one1.Negate();
Assert.IsFalse(zero.Equals(null));
Assert.IsFalse(zero.Equals("Foo"));
Assert.IsFalse(zero.Equals(0));
Assert.IsFalse(zero.Equals(one1));
Assert.IsFalse(zero.Equals(minusone));
Assert.IsFalse(one1.Equals(minusone));
Assert.IsTrue(zero.Equals(zero));
Assert.IsTrue(one1.Equals(one2));
Assert.IsTrue(one2.Equals(one1));
Assert.AreEqual(one1.GetHashCode(), one2.GetHashCode());
}
private static void PushDupPop(uint times)
{
IList<Byte> bytes = new List<byte>();
for (int k = 0; k < times; k++)
{
bytes.Add((byte)Bytecodes.Push1);
bytes.Add((byte)k);
}
bytes.Add((byte)(Bytecodes.Dup1 + (int)times - 1));
Machine machine = new Machine();
machine.Execute(bytes.ToArray());
Integer256 value = new Integer256(times);
Assert.AreEqual(Integer256.Zero, machine.Stack.Pop());
for (int k = 0; k < times; k++)
{
value = value.Subtract(Integer256.One);
Assert.AreEqual(value, machine.Stack.Pop());
}
Assert.AreEqual(0, machine.Stack.Size);
}
public void NegateOne()
{
Integer256 value = new Integer256().Add(1).Negate();
var result = value.ToBytes();
AreEqual(result, new byte[] { }, true);
}
public void ZeroToBytes()
{
Integer256 value = new Integer256();
var result = value.ToBytes();
AreEqual(result, new byte[] { });
}
public void SubtractOneFromZero()
{
var zero = new Integer256();
var value = zero.Subtract(new Integer256().Add(1));
var result = value.ToBytes();
AreEqual(result, new byte[] { }, true);
}
public void SubtractOneFromOne()
{
var one = new Integer256().Add(1);
var value = one.Subtract(one);
var result = value.ToBytes();
AreEqual(result, new byte[] { });
}
public void OneToBytes()
{
Integer256 value = new Integer256();
var newvalue = value.Add(1);
var result = newvalue.ToBytes();
AreEqual(result, new byte[] { 0x01 });
}
