bionic/tests/atexit_test.cpp
Dmitriy Ivanov 6b56691a67 Fixes for __cxa_finalize
* Ability to register atexit handler from atexit handler
  * Correct way to handle both forms of atexit handler

Bug: https://code.google.com/p/android/issues/detail?id=66595
Bug: 4998315
Change-Id: I39529afaef97b6e1469c21389d54c0d7d175da28
2014-05-05 11:36:57 -07:00

45 lines
1.4 KiB
C++

/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <dlfcn.h>
#include <libgen.h>
#include <limits.h>
#include <stdio.h>
#include <stdint.h>
#include <string>
TEST(atexit, combined_test) {
std::string atexit_call_sequence;
bool valid_this_in_static_dtor = false;
void* handle = dlopen("libtest_atexit.so", RTLD_NOW);
ASSERT_TRUE(handle != NULL);
void* sym = dlsym(handle, "register_atexit");
ASSERT_TRUE(sym != NULL);
reinterpret_cast<void (*)(std::string*, bool*)>(sym)(&atexit_call_sequence, &valid_this_in_static_dtor);
ASSERT_EQ(0, dlclose(handle));
// this test verifies atexit call from atexit handler. as well as the order of calls
ASSERT_EQ("Humpty Dumpty sat on a wall", atexit_call_sequence);
ASSERT_TRUE(valid_this_in_static_dtor);
}
// TODO: test for static dtor calls from from exit(.) -> __cxa_finalize(NULL)