llvm-project/llvm/unittests/DebugInfo/PDB/StringTableBuilderTest.cpp

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1.9 KiB
C++

//===- StringTableBuilderTest.cpp -----------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "ErrorChecking.h"
#include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
#include "llvm/DebugInfo/PDB/Native/PDBStringTableBuilder.h"
#include "llvm/Support/BinaryByteStream.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/BinaryStreamWriter.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::pdb;
using namespace llvm::support;
namespace {
class StringTableBuilderTest : public ::testing::Test {};
}
template <typename T>
static void ExpectExpected(Expected<T> &&E, const T &Value) {
EXPECT_EXPECTED(E);
EXPECT_EQ(Value, *E);
}
TEST_F(StringTableBuilderTest, Simple) {
// Create /names table contents.
PDBStringTableBuilder Builder;
EXPECT_EQ(1U, Builder.insert("foo"));
EXPECT_EQ(5U, Builder.insert("bar"));
EXPECT_EQ(1U, Builder.insert("foo"));
EXPECT_EQ(9U, Builder.insert("baz"));
std::vector<uint8_t> Buffer(Builder.calculateSerializedSize());
MutableBinaryByteStream OutStream(Buffer, little);
BinaryStreamWriter Writer(OutStream);
EXPECT_NO_ERROR(Builder.commit(Writer));
// Reads the contents back.
BinaryByteStream InStream(Buffer, little);
BinaryStreamReader Reader(InStream);
PDBStringTable Table;
EXPECT_NO_ERROR(Table.reload(Reader));
EXPECT_EQ(3U, Table.getNameCount());
EXPECT_EQ(1U, Table.getHashVersion());
EXPECT_EXPECTED_EQ("foo", Table.getStringForID(1));
EXPECT_EXPECTED_EQ("bar", Table.getStringForID(5));
EXPECT_EXPECTED_EQ("baz", Table.getStringForID(9));
EXPECT_EXPECTED_EQ(1U, Table.getIDForString("foo"));
EXPECT_EXPECTED_EQ(5U, Table.getIDForString("bar"));
EXPECT_EXPECTED_EQ(9U, Table.getIDForString("baz"));
}