unittests/ADT/APSIntTest.cpp

   1 //===- llvm/unittest/ADT/APSIntTest.cpp - APSInt unit tests ---------------===//
   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 "llvm/ADT/APSInt.h"
  11 #include "gtest/gtest.h"
  12
  13 using namespace llvm;
  14
  15 namespace {
  16
  17 TEST(APSIntTest, MoveTest) {
  18   APSInt A(32, true);
  19   EXPECT_TRUE(A.isUnsigned());
  20
  21   APSInt B(128, false);
  22   A = B;
  23   EXPECT_FALSE(A.isUnsigned());
  24
  25   APSInt C(B);
  26   EXPECT_FALSE(C.isUnsigned());
  27
  28   APInt Wide(256, 0);
  29   const uint64_t *Bits = Wide.getRawData();
  30   APSInt D(std::move(Wide));
  31   EXPECT_TRUE(D.isUnsigned());
  32   EXPECT_EQ(Bits, D.getRawData()); // Verify that "Wide" was really moved.
  33
  34   A = APSInt(64, true);
  35   EXPECT_TRUE(A.isUnsigned());
  36
  37   Wide = APInt(128, 1);
  38   Bits = Wide.getRawData();
  39   A = std::move(Wide);
  40   EXPECT_TRUE(A.isUnsigned());
  41   EXPECT_EQ(Bits, A.getRawData()); // Verify that "Wide" was really moved.
  42 }
  43
  44 }