public void Execute_NegativeNumber()
{
reg[9] = 0x3;
reg[10] = 0xFFFFFFFF;
target = new AdduInstruction(8, 9, 10);
target.Execute(ref pc, mem, reg);
Assert.AreEqual(0x2, reg[8]);
Assert.AreEqual(0x4, pc);
}
public void Execute_Overflow()
{
reg[9] = 0xFFFFFFFF;
reg[10] = 0x1;
target = new AdduInstruction(8, 9, 10);
target.Execute(ref pc, mem, reg);
Assert.AreEqual(0x0, reg[8]);
Assert.AreEqual(0x4, pc);
}
public void Execute_PositiveNumbers()
{
reg[9] = 0x1;
reg[10] = 0x3;
target = new AdduInstruction(8, 9, 10);
target.Execute(ref pc, mem, reg);
Assert.AreEqual(0x4, reg[8]);
Assert.AreEqual(0x4, pc);
}
public void ToString_Formatted()
{
target = new AdduInstruction(8, 9, 10);
Assert.AreEqual("ADDU $t0, $t1, $t2", target.ToString());
}