unittests/ADT/PointerEmbeddedIntTest.cpp

   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