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4032b70bb8
Split helper out of EmitRecordWithAbbrevImpl called emitBlob to reduce code duplication, and add a few tests for it. No functionality change intended. llvm-svn: 264550
60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
//===- BitstreamWriterTest.cpp - Tests for BitstreamWriter ----------------===//
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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/ADT/STLExtras.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Bitcode/BitstreamWriter.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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TEST(BitstreamWriterTest, emitBlob) {
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SmallString<64> Buffer;
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BitstreamWriter W(Buffer);
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W.emitBlob("str", /* ShouldEmitSize */ false);
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EXPECT_EQ(StringRef("str\0", 4), Buffer);
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}
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TEST(BitstreamWriterTest, emitBlobWithSize) {
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SmallString<64> Buffer;
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{
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BitstreamWriter W(Buffer);
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W.emitBlob("str");
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}
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SmallString<64> Expected;
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{
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BitstreamWriter W(Expected);
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W.EmitVBR(3, 6);
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W.FlushToWord();
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W.Emit('s', 8);
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W.Emit('t', 8);
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W.Emit('r', 8);
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W.Emit(0, 8);
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}
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EXPECT_EQ(StringRef(Expected), Buffer);
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}
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TEST(BitstreamWriterTest, emitBlobEmpty) {
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SmallString<64> Buffer;
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BitstreamWriter W(Buffer);
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W.emitBlob("", /* ShouldEmitSize */ false);
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EXPECT_EQ(StringRef(""), Buffer);
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}
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TEST(BitstreamWriterTest, emitBlob4ByteAligned) {
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SmallString<64> Buffer;
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BitstreamWriter W(Buffer);
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W.emitBlob("str0", /* ShouldEmitSize */ false);
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EXPECT_EQ(StringRef("str0"), Buffer);
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}
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} // end namespace
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