52 lines · cpp
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-exception6//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 17using namespace llvm;18 19namespace {20 21TEST(MemoryBufferRefTest, construct) {22 std::unique_ptr<MemoryBuffer> MB(MemoryBuffer::getMemBuffer("data", "id"));23 MemoryBufferRef MBR(*MB);24 25 EXPECT_EQ(MB->getBufferStart(), MBR.getBufferStart());26 EXPECT_EQ(MB->getBufferIdentifier(), MBR.getBufferIdentifier());27}28 29TEST(MemoryBufferRefTest, compareEquals) {30 std::string Data = "data";31 std::unique_ptr<MemoryBuffer> MB(MemoryBuffer::getMemBuffer(Data, "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(Data, "id"));46 MemoryBufferRef CopyRef(*Copy);47 EXPECT_EQ(Ref.getBuffer(), CopyRef.getBuffer());48 EXPECT_NE(Ref, CopyRef);49}50 51} // end namespace52