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 
TEST(APSIntTest,MoveTest)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 }
45