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52ce0c101e
This compiles with no changes to clang/lld/lldb with MSVC and includes overloads to various functions which are used by those projects and llvm which have OwningPtr's as parameters. This should allow out of tree projects some time to move. There are also no changes to libs/Target, which should help out of tree targets have time to move, if necessary. llvm-svn: 203083
116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
//===- LineIterator.cpp - Unit tests --------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/LineIterator.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace llvm::sys;
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namespace {
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TEST(LineIteratorTest, Basic) {
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std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer("line 1\n"
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"line 2\n"
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"line 3"));
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line_iterator I = line_iterator(*Buffer), E;
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EXPECT_FALSE(I.is_at_eof());
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EXPECT_NE(E, I);
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EXPECT_EQ("line 1", *I);
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EXPECT_EQ(1, I.line_number());
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++I;
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EXPECT_EQ("line 2", *I);
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EXPECT_EQ(2, I.line_number());
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++I;
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EXPECT_EQ("line 3", *I);
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EXPECT_EQ(3, I.line_number());
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++I;
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EXPECT_TRUE(I.is_at_eof());
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EXPECT_EQ(E, I);
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}
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TEST(LineIteratorTest, CommentSkipping) {
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std::unique_ptr<MemoryBuffer> Buffer(
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MemoryBuffer::getMemBuffer("line 1\n"
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"line 2\n"
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"# Comment 1\n"
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"line 4\n"
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"# Comment 2"));
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line_iterator I = line_iterator(*Buffer, '#'), E;
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EXPECT_FALSE(I.is_at_eof());
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EXPECT_NE(E, I);
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EXPECT_EQ("line 1", *I);
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EXPECT_EQ(1, I.line_number());
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++I;
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EXPECT_EQ("line 2", *I);
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EXPECT_EQ(2, I.line_number());
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++I;
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EXPECT_EQ("line 4", *I);
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EXPECT_EQ(4, I.line_number());
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++I;
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EXPECT_TRUE(I.is_at_eof());
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EXPECT_EQ(E, I);
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}
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TEST(LineIteratorTest, BlankSkipping) {
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std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer("\n\n\n"
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"line 1\n"
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"\n\n\n"
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"line 2\n"
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"\n\n\n"));
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line_iterator I = line_iterator(*Buffer), E;
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EXPECT_FALSE(I.is_at_eof());
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EXPECT_NE(E, I);
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EXPECT_EQ("line 1", *I);
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EXPECT_EQ(4, I.line_number());
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++I;
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EXPECT_EQ("line 2", *I);
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EXPECT_EQ(8, I.line_number());
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++I;
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EXPECT_TRUE(I.is_at_eof());
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EXPECT_EQ(E, I);
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}
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TEST(LineIteratorTest, EmptyBuffers) {
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std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer(""));
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EXPECT_TRUE(line_iterator(*Buffer).is_at_eof());
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EXPECT_EQ(line_iterator(), line_iterator(*Buffer));
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Buffer.reset(MemoryBuffer::getMemBuffer("\n\n\n"));
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EXPECT_TRUE(line_iterator(*Buffer).is_at_eof());
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EXPECT_EQ(line_iterator(), line_iterator(*Buffer));
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Buffer.reset(MemoryBuffer::getMemBuffer("# foo\n"
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"\n"
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"# bar"));
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EXPECT_TRUE(line_iterator(*Buffer, '#').is_at_eof());
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EXPECT_EQ(line_iterator(), line_iterator(*Buffer, '#'));
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Buffer.reset(MemoryBuffer::getMemBuffer("\n"
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"# baz\n"
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"\n"));
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EXPECT_TRUE(line_iterator(*Buffer, '#').is_at_eof());
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EXPECT_EQ(line_iterator(), line_iterator(*Buffer, '#'));
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}
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} // anonymous namespace
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