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#include "stdafx.h"
#include "Code/Binary.h"
#include "Code/Listing.h"
using namespace code;
// Returning boolean values may be tricky in some cases, as they only
// occupy the least significant byte of a machine word. On some architectures
// the higher bits needs to be cleared before return.
BEGIN_TEST(BoolTest, Code) {
Engine &e = gEngine();
Arena *arena = code::arena(e);
Listing *l = new (e) Listing();
Var p = l->createIntParam();
*l << prolog();
// Make sure we clobber the high parts of the register.
*l << mov(eax, p);
*l << cmp(eax, eax);
*l << setCond(al, ifEqual);
l->result = byteDesc(e);
*l << fnRet(al);
Binary *b = new (e) Binary(arena, l);
typedef bool (*Fn)(Int);
Fn fn = (Fn)b->address();
CHECK((*fn)(0));
CHECK((*fn)(1));
CHECK_EQ((*fn)(-1), (*fn)(1));
} END_TEST
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