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refactor: use class to temporarily disable leak checks

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This commit is contained in:
Marcus Holland-Moritz 2024-01-19 13:35:17 +01:00
parent 0ec3af320e
commit da608ba3e6
1 changed files with 48 additions and 7 deletions
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55
test/tools_test.cpp
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@ -28,6 +28,7 @@
#include <future>
#include <iostream>
#include <sstream>
#include <string_view>
#include <thread>
#include <tuple>
@ -42,7 +43,6 @@
#endif
#include <folly/FileUtil.h>
#include <folly/ScopeGuard.h>
#include <folly/portability/Unistd.h>
#include <boost/asio/io_service.hpp>
@ -84,6 +84,50 @@ auto dwarfsextract_bin = tools_dir / "dwarfsextract" EXE_EXT;
auto dwarfsck_bin = tools_dir / "dwarfsck" EXE_EXT;
auto universal_bin = tools_dir / "universal" / "dwarfs-universal" EXE_EXT;
class scoped_no_leak_check {
public:
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
#define RUNNING_ON_ASAN 1
#endif
#endif
#ifdef RUNNING_ON_ASAN
static constexpr auto const kEnvVar = "ASAN_OPTIONS";
static constexpr auto const kNoLeakCheck = "detect_leaks=0";
scoped_no_leak_check() {
std::string new_asan_options;
if (auto const* asan_options = ::getenv(kEnvVar)) {
old_asan_options_.emplace(asan_options);
new_asan_options = *old_asan_options_ + ":" + std::string(kNoLeakCheck);
} else {
new_asan_options.assign(kNoLeakCheck);
}
::setenv("ASAN_OPTIONS", new_asan_options.c_str(), 1);
unset_asan_ = true;
}
~scoped_no_leak_check() {
if (unset_asan_) {
if (old_asan_options_) {
::setenv(kEnvVar, old_asan_options_->c_str(), 1);
} else {
::unsetenv(kEnvVar);
}
}
}
private:
std::optional<std::string> old_asan_options_;
bool unset_asan_{false};
#else
// suppress unused variable warning
~scoped_no_leak_check() {}
#endif
};
#ifndef _WIN32
pid_t get_dwarfs_pid(fs::path const& path) {
std::array<char, 32> attr_buf;
@ -787,12 +831,7 @@ TEST_P(tools_test, end_to_end) {
for (auto const& driver : drivers) {
{
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
::setenv("ASAN_OPTIONS", "detect_leaks=0", 1);
SCOPE_EXIT { ::unsetenv("ASAN_OPTIONS"); };
#endif
#endif
scoped_no_leak_check no_leak_check;
auto const [out, err, ec] =
subprocess::run(driver, dwarfs_tool_arg, "--help");
EXPECT_THAT(out, ::testing::HasSubstr("Usage:"));
@ -1422,6 +1461,8 @@ TEST_P(manpage_test, manpage) {
test_bin = &tools.at(tool);
}
scoped_no_leak_check no_leak_check;
auto out = subprocess::check_run(*test_bin, args, "--man");
ASSERT_TRUE(out);