public void X86ic_CompareRegisters_NoNormalize_Fail()
{
var a = Create(Opcode.neg, "eax");
var b = Create(Opcode.neg, "ecx");
var cmp = new X86InstructionComparer(Normalize.Nothing);
Assert.IsFalse(cmp.Equals(a, b));
Assert.IsFalse(cmp.GetHashCode(a) == cmp.GetHashCode(b));
}
public void X86ic_CompareOpcodes()
{
var a = Create(Opcode.nop);
var b = Create(Opcode.nop);
var cmp = new X86InstructionComparer(Normalize.Nothing);
Assert.IsTrue(cmp.Equals(a, b));
Assert.IsTrue(cmp.GetHashCode(a) == cmp.GetHashCode(b));
}
public void X86ic_CompareMem_Normalize_Succeed()
{
var a = Create(Opcode.neg, Mem32(Registers.eax));
var b = Create(Opcode.neg, Mem32(Registers.ecx));
var cmp = new X86InstructionComparer(Normalize.Registers);
Assert.IsTrue(cmp.Equals(a, b));
Assert.IsTrue(cmp.GetHashCode(a) == cmp.GetHashCode(b));
}
public void Trie_AddInstructions()
{
X86InstructionComparer cmp = new X86InstructionComparer(Normalize.Nothing);
var trie = new Trie<MachineInstruction>(cmp);
IntelInstruction inst = CreatePush(Registers.bp);
trie.Add(new [] { inst });
Assert.AreEqual(trie.Count, 1);
trie.Add(new [] {
CreatePush(Registers.bp),
CreateMov(Registers.bp, Registers.sp) });
Assert.AreEqual(trie.Count, 3);
}
public void Trie_ScoreInstructions()
{
X86InstructionComparer cmp = new X86InstructionComparer(Normalize.Nothing);
var trie = new Trie<IntelInstruction>(cmp);
trie.Add(new [] {
CreatePush(Registers.bp),
CreateMov(Registers.bp, Registers.sp) });
trie.Add(new [] {
CreatePush(Registers.bp),
CreateMov(Registers.bp, Registers.sp),
CreatePush(Registers.si),
CreatePush(Registers.di) });
long score = trie.ScoreInstructions(new [] {
CreatePush(Registers.bp) });
Assert.AreEqual(2, score);
score = trie.ScoreInstructions(new [] {
CreatePush(Registers.bp),
CreateMov(Registers.bp, Registers.sp) } );
Assert.AreEqual(4, score);
// This sequqnce matches one of the trie's strings exactly.
score = trie.ScoreInstructions(new [] {
CreatePush(Registers.bp),
CreateMov(Registers.bp, Registers.sp),
CreatePush(Registers.si),
CreatePush(Registers.di) });
Assert.AreEqual(6, score);
// A longer sequence runs 'off' the trie, so it should have the same score
// as the previous test
score = trie.ScoreInstructions(new [] {
CreatePush(Registers.bp),
CreateMov(Registers.bp, Registers.sp),
CreatePush(Registers.si),
CreatePush(Registers.di),
CreatePush(Registers.bx)});
Assert.AreEqual(6, score);
// This doesn't exist in the trie at all, so it should score 0.
score = trie.ScoreInstructions(new [] {
CreateMov(Registers.ax, Registers.bx) });
Assert.AreEqual(0, score);
}
public void Creation()
{
X86InstructionComparer cmp = new X86InstructionComparer(Normalize.Nothing);
var trie = new Trie<MachineInstruction>(cmp);
}