1 //===- llvm/unittest/ADT/PointerEmbeddedIntTest.cpp -----------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "gtest/gtest.h"
11 #include "llvm/ADT/PointerEmbeddedInt.h"
12 using namespace llvm;
13 
14 namespace {
15 
16 TEST(PointerEmbeddedIntTest, Basic) {
17   PointerEmbeddedInt<int, CHAR_BIT> I = 42, J = 43;
18 
19   EXPECT_EQ(42, I);
20   EXPECT_EQ(43, I + 1);
21   EXPECT_EQ(sizeof(uintptr_t) * CHAR_BIT - CHAR_BIT,
22             PointerLikeTypeTraits<decltype(I)>::NumLowBitsAvailable);
23 
24   EXPECT_FALSE(I == J);
25   EXPECT_TRUE(I != J);
26   EXPECT_TRUE(I < J);
27   EXPECT_FALSE(I > J);
28   EXPECT_TRUE(I <= J);
29   EXPECT_FALSE(I >= J);
30 
31   EXPECT_FALSE(I == 43);
32   EXPECT_TRUE(I != 43);
33   EXPECT_TRUE(I < 43);
34   EXPECT_FALSE(I > 43);
35   EXPECT_TRUE(I <= 43);
36   EXPECT_FALSE(I >= 43);
37 
38   EXPECT_FALSE(42 == J);
39   EXPECT_TRUE(42 != J);
40   EXPECT_TRUE(42 < J);
41   EXPECT_FALSE(42 > J);
42   EXPECT_TRUE(42 <= J);
43   EXPECT_FALSE(42 >= J);
44 }
45 
46 } // end anonymous namespace
47