72 lines · cpp
1//===-- SymbolTest.cpp ----------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "lldb/Core/Mangled.h"10#include "lldb/Core/DataFileCache.h"11#include "lldb/Utility/DataEncoder.h"12#include "lldb/Utility/DataExtractor.h"13 14#include "gtest/gtest.h"15 16using namespace lldb;17using namespace lldb_private;18 19static void EncodeDecode(const Mangled &object, ByteOrder byte_order) {20 const uint8_t addr_size = 8;21 DataEncoder file(byte_order, addr_size);22 DataEncoder strtab_encoder(byte_order, addr_size);23 ConstStringTable const_strtab;24 25 object.Encode(file, const_strtab);26 27 llvm::ArrayRef<uint8_t> bytes = file.GetData();28 DataExtractor data(bytes.data(), bytes.size(), byte_order, addr_size);29 30 const_strtab.Encode(strtab_encoder);31 llvm::ArrayRef<uint8_t> strtab_bytes = strtab_encoder.GetData();32 DataExtractor strtab_data(strtab_bytes.data(), strtab_bytes.size(),33 byte_order, addr_size);34 StringTableReader strtab_reader;35 offset_t strtab_data_offset = 0;36 ASSERT_EQ(strtab_reader.Decode(strtab_data, &strtab_data_offset), true);37 38 Mangled decoded_object;39 offset_t data_offset = 0;40 decoded_object.Decode(data, &data_offset, strtab_reader);41 EXPECT_EQ(object, decoded_object);42}43 44static void EncodeDecode(const Mangled &object) {45 EncodeDecode(object, eByteOrderLittle);46 EncodeDecode(object, eByteOrderBig);47}48 49TEST(MangledTest, EncodeDecodeMangled) {50 Mangled mangled;51 // Test encoding and decoding an empty mangled object.52 EncodeDecode(mangled);53 54 // Test encoding a mangled object that hasn't demangled its name yet.55 mangled.SetMangledName(ConstString("_Z3fooi"));56 EncodeDecode(mangled);57 58 // Test encoding a mangled object that has demangled its name by computing it.59 mangled.GetDemangledName();60 // EncodeDecode(mangled);61 62 // Test encoding a mangled object that has just a demangled name63 mangled.SetMangledName(ConstString());64 mangled.SetDemangledName(ConstString("hello"));65 EncodeDecode(mangled);66 67 // Test encoding a mangled name that has both a mangled and demangled name68 // that are not mangled/demangled counterparts of each other.69 mangled.SetMangledName(ConstString("world"));70 EncodeDecode(mangled);71}72