llvm-project/llvm/unittests/ObjectYAML/YAML2ObjTest.cpp

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//===- YAML2ObjTest.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/ObjectYAML/yaml2obj.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/YAMLTraits.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace object;
using namespace yaml;
TEST(yaml2ObjectFile, ELF) {
bool ErrorReported = false;
auto ErrHandler = [&](const Twine &Msg) { ErrorReported = true; };
SmallString<0> Storage;
std::unique_ptr<ObjectFile> Obj = yaml2ObjectFile(Storage, R"(
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64)", ErrHandler);
ASSERT_FALSE(ErrorReported);
ASSERT_TRUE(Obj);
ASSERT_TRUE(Obj->isELF());
ASSERT_TRUE(Obj->isRelocatableObject());
}
TEST(yaml2ObjectFile, Errors) {
std::vector<std::string> Errors;
auto ErrHandler = [&](const Twine &Msg) {
Errors.push_back("ObjectYAML: " + Msg.str());
};
SmallString<0> Storage;
StringRef Yaml = R"(
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Symbols:
- Name: foo
- Name: foo
- Name: foo
)";
// 1. Test yaml2ObjectFile().
std::unique_ptr<ObjectFile> Obj = yaml2ObjectFile(Storage, Yaml, ErrHandler);
ASSERT_FALSE(Obj);
ASSERT_TRUE(Errors.size() == 2);
ASSERT_TRUE(Errors[0] == "ObjectYAML: repeated symbol name: 'foo'");
ASSERT_TRUE(Errors[1] == Errors[0]);
// 2. Test convertYAML().
Errors.clear();
Storage.clear();
raw_svector_ostream OS(Storage);
yaml::Input YIn(Yaml);
bool Res = convertYAML(YIn, OS, ErrHandler);
ASSERT_FALSE(Res);
ASSERT_TRUE(Errors.size() == 2);
ASSERT_TRUE(Errors[0] == "ObjectYAML: repeated symbol name: 'foo'");
ASSERT_TRUE(Errors[1] == Errors[0]);
}