You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
3.5 KiB
95 lines
3.5 KiB
//===- StringTableBuilderTest.cpp -----------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#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 "llvm/Testing/Support/Error.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::pdb;
|
|
using namespace llvm::support;
|
|
|
|
TEST(StringTableBuilderTest, Simple) {
|
|
// Create /names table contents.
|
|
PDBStringTableBuilder Builder;
|
|
|
|
// This test case is carefully constructed to ensure that at least one
|
|
// string gets bucketed into slot 0, *and* to ensure that at least one
|
|
// has a hash collision at the end of the bucket list so it has to
|
|
// wrap around.
|
|
uint32_t FooID = Builder.insert("foo");
|
|
uint32_t BarID = Builder.insert("bar");
|
|
uint32_t BazID = Builder.insert("baz");
|
|
uint32_t BuzzID = Builder.insert("buzz");
|
|
uint32_t BazzID = Builder.insert("bazz");
|
|
uint32_t BarrID = Builder.insert("barr");
|
|
|
|
// Re-inserting the same item should return the same id.
|
|
EXPECT_EQ(FooID, Builder.insert("foo"));
|
|
EXPECT_EQ(BarID, Builder.insert("bar"));
|
|
EXPECT_EQ(BazID, Builder.insert("baz"));
|
|
EXPECT_EQ(BuzzID, Builder.insert("buzz"));
|
|
EXPECT_EQ(BazzID, Builder.insert("bazz"));
|
|
EXPECT_EQ(BarrID, Builder.insert("barr"));
|
|
|
|
// Each ID should be distinct.
|
|
std::set<uint32_t> Distinct{FooID, BarID, BazID, BuzzID, BazzID, BarrID};
|
|
EXPECT_EQ(6U, Distinct.size());
|
|
|
|
std::vector<uint8_t> Buffer(Builder.calculateSerializedSize());
|
|
MutableBinaryByteStream OutStream(Buffer, little);
|
|
BinaryStreamWriter Writer(OutStream);
|
|
EXPECT_THAT_ERROR(Builder.commit(Writer), Succeeded());
|
|
|
|
// Reads the contents back.
|
|
BinaryByteStream InStream(Buffer, little);
|
|
BinaryStreamReader Reader(InStream);
|
|
PDBStringTable Table;
|
|
EXPECT_THAT_ERROR(Table.reload(Reader), Succeeded());
|
|
|
|
EXPECT_EQ(6U, Table.getNameCount());
|
|
EXPECT_EQ(1U, Table.getHashVersion());
|
|
|
|
EXPECT_THAT_EXPECTED(Table.getStringForID(FooID), HasValue("foo"));
|
|
EXPECT_THAT_EXPECTED(Table.getStringForID(BarID), HasValue("bar"));
|
|
EXPECT_THAT_EXPECTED(Table.getStringForID(BazID), HasValue("baz"));
|
|
EXPECT_THAT_EXPECTED(Table.getStringForID(BuzzID), HasValue("buzz"));
|
|
EXPECT_THAT_EXPECTED(Table.getStringForID(BazzID), HasValue("bazz"));
|
|
EXPECT_THAT_EXPECTED(Table.getStringForID(BarrID), HasValue("barr"));
|
|
|
|
EXPECT_THAT_EXPECTED(Table.getIDForString("foo"), HasValue(FooID));
|
|
EXPECT_THAT_EXPECTED(Table.getIDForString("bar"), HasValue(BarID));
|
|
EXPECT_THAT_EXPECTED(Table.getIDForString("baz"), HasValue(BazID));
|
|
EXPECT_THAT_EXPECTED(Table.getIDForString("buzz"), HasValue(BuzzID));
|
|
EXPECT_THAT_EXPECTED(Table.getIDForString("bazz"), HasValue(BazzID));
|
|
EXPECT_THAT_EXPECTED(Table.getIDForString("barr"), HasValue(BarrID));
|
|
}
|
|
|
|
TEST(StringTableHashTraitsTest, Simple) {
|
|
PDBStringTableBuilder Builder;
|
|
|
|
// Create more than 64kiB of dummy entries.
|
|
for (int i = 0; i < 320; ++i) {
|
|
std::string aaaaa = std::string(220, 'a') + std::to_string(i);
|
|
Builder.insert(aaaaa);
|
|
}
|
|
|
|
std::string S = "foo.natvis";
|
|
uint32_t Pos = Builder.insert(S);
|
|
|
|
EXPECT_GT(Pos, 0xFFFFu);
|
|
|
|
StringTableHashTraits Traits(Builder);
|
|
EXPECT_LE(Traits.hashLookupKey(S), 0xFFFFu);
|
|
}
|