1 | //===- MemoryBufferRefTest.cpp - MemoryBufferRef tests --------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This file implements unit tests for the MemoryBufferRef support class. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #include "llvm/Support/MemoryBufferRef.h" |
14 | #include "llvm/Support/MemoryBuffer.h" |
15 | #include "gtest/gtest.h" |
16 | |
17 | using namespace llvm; |
18 | |
19 | namespace { |
20 | |
21 | TEST(MemoryBufferRefTest, construct) { |
22 | std::unique_ptr<MemoryBuffer> MB(MemoryBuffer::getMemBuffer(InputData: "data" , BufferName: "id" )); |
23 | MemoryBufferRef MBR(*MB); |
24 | |
25 | EXPECT_EQ(MB->getBufferStart(), MBR.getBufferStart()); |
26 | EXPECT_EQ(MB->getBufferIdentifier(), MBR.getBufferIdentifier()); |
27 | } |
28 | |
29 | TEST(MemoryBufferRefTest, compareEquals) { |
30 | std::string Data = "data" ; |
31 | std::unique_ptr<MemoryBuffer> MB(MemoryBuffer::getMemBuffer(InputData: Data, BufferName: "id" )); |
32 | MemoryBufferRef Ref(*MB); |
33 | MemoryBufferRef Empty; |
34 | MemoryBufferRef NoIdentifier(MB->getBuffer(), "" ); |
35 | MemoryBufferRef NoData("" , MB->getBufferIdentifier()); |
36 | MemoryBufferRef Same(MB->getBuffer(), MB->getBufferIdentifier()); |
37 | |
38 | EXPECT_NE(Empty, Ref); |
39 | EXPECT_NE(NoIdentifier, Ref); |
40 | EXPECT_NE(NoData, Ref); |
41 | EXPECT_EQ(Same, Ref); |
42 | |
43 | // Confirm NE when content matches but pointer identity does not. |
44 | std::unique_ptr<MemoryBuffer> Copy( |
45 | MemoryBuffer::getMemBufferCopy(InputData: Data, BufferName: "id" )); |
46 | MemoryBufferRef CopyRef(*Copy); |
47 | EXPECT_EQ(Ref.getBuffer(), CopyRef.getBuffer()); |
48 | EXPECT_NE(Ref, CopyRef); |
49 | } |
50 | |
51 | } // end namespace |
52 | |