forked from OSchip/llvm-project
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
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//===- unittests/Rewrite/RewriteBufferTest.cpp - RewriteBuffer 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 "clang/Rewrite/Core/RewriteBuffer.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace clang;
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namespace {
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static void tagRange(unsigned Offset, unsigned Len, StringRef tagName,
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RewriteBuffer &Buf) {
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std::string BeginTag;
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raw_string_ostream(BeginTag) << '<' << tagName << '>';
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std::string EndTag;
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raw_string_ostream(EndTag) << "</" << tagName << '>';
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Buf.InsertTextAfter(Offset, BeginTag);
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Buf.InsertTextBefore(Offset+Len, EndTag);
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}
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TEST(RewriteBuffer, TagRanges) {
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StringRef Input = "hello world";
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const char *Output = "<outer><inner>hello</inner></outer> ";
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RewriteBuffer Buf;
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Buf.Initialize(Input);
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StringRef RemoveStr = "world";
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size_t Pos = Input.find(RemoveStr);
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Buf.RemoveText(Pos, RemoveStr.size());
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StringRef TagStr = "hello";
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Pos = Input.find(TagStr);
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tagRange(Pos, TagStr.size(), "outer", Buf);
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tagRange(Pos, TagStr.size(), "inner", Buf);
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std::string Result;
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raw_string_ostream OS(Result);
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Buf.write(OS);
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OS.flush();
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EXPECT_EQ(Output, Result);
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}
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} // anonymous namespace
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