forked from OSchip/llvm-project
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
//===- BitstreamWriterTest.cpp - Tests for BitstreamWriter ----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Bitstream/BitstreamWriter.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/SmallString.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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