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// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "winapi-debug" project.
// For details, see https://github.com/egor-tensin/winapi-debug.
// Distributed under the MIT License.
#pragma once
#include "paths.hpp"
#include <test_lib.hpp>
#include <winapi/debug.hpp>
#include <boost/filesystem.hpp>
#include <boost/test/unit_test.hpp>
#include <iterator>
#include <string>
#include <unordered_set>
#include <utility>
template <typename T>
using Set = std::unordered_set<T>;
template <typename T>
Set<T> join(Set<T>&& xs, Set<T>&& ys) {
xs.insert(std::make_move_iterator(ys.begin()), std::make_move_iterator(ys.end()));
return std::move(xs);
}
class DbgHelp {
public:
DbgHelp(winapi::DbgHelp&& dbghelp) : dbghelp{std::move(dbghelp)} {}
~DbgHelp() { BOOST_TEST_MESSAGE("Cleaning up DbgHelp"); }
const winapi::DbgHelp dbghelp;
static const std::string& get_module_name() {
static const std::string name{"test_lib"};
return name;
}
static const std::string& get_namespace() {
static const std::string name{"test_ns"};
return name;
}
typedef Set<std::string> SymbolList;
typedef Set<winapi::Address> AddressList;
static AddressList expected_function_addresses() {
return cast({reinterpret_cast<void*>(&test_ns::foo),
reinterpret_cast<void*>(&test_ns::bar),
reinterpret_cast<void*>(&test_ns::baz)});
}
static SymbolList expected_functions() { return make_qualified({"foo", "bar", "baz"}); }
static SymbolList expected_functions_full() { return add_module(expected_functions()); }
static SymbolList expected_variables() { return make_qualified({"var"}); }
static SymbolList expected_symbols() {
return join(expected_functions(), expected_variables());
}
protected:
static winapi::DbgHelp init_dbghelp(bool current_process) {
BOOST_TEST_MESSAGE("Initializing DbgHelp");
if (current_process) {
return winapi::DbgHelp::current_process();
} else {
return winapi::DbgHelp::post_mortem();
}
}
private:
static AddressList cast(Set<void*>&& fs) {
AddressList addresses;
for (auto&& f : fs) {
addresses.emplace(reinterpret_cast<winapi::Address>(f));
}
return addresses;
}
static SymbolList make_qualified(SymbolList&& plain) {
SymbolList qualified;
for (auto&& name : plain) {
qualified.emplace(get_namespace() + "::" + std::move(name));
}
return qualified;
}
static SymbolList add_module(SymbolList&& plain) {
SymbolList full;
for (auto&& name : plain) {
full.emplace(get_module_name() + "!" + std::move(name));
}
return full;
}
DbgHelp(const DbgHelp&) = delete;
DbgHelp& operator=(const DbgHelp&) = delete;
};
class PostMortem : public DbgHelp {
public:
PostMortem() : DbgHelp{init_dbghelp(false)} { load_module_pdb(); }
private:
void load_module_pdb() {
const auto pdb_path = get_module_pdb_path().string();
BOOST_TEST_MESSAGE("Loading PDB: " << pdb_path);
dbghelp.load_pdb(pdb_path);
}
static boost::filesystem::path get_module_pdb_path() {
// That's pretty ad-hoc, but seems to work; based on
// https://www.boost.org/doc/libs/1_70_0/libs/test/doc/html/boost_test/runtime_config/custom_command_line_arguments.html
BOOST_TEST_REQUIRE(boost::unit_test::framework::master_test_suite().argc == 3);
BOOST_TEST_REQUIRE(boost::unit_test::framework::master_test_suite().argv[1] ==
"--test_lib_pdb");
return boost::unit_test::framework::master_test_suite().argv[2];
}
};
class CurrentProcess : public DbgHelp {
public:
CurrentProcess() : DbgHelp{init_dbghelp(true)} {}
};
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