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/*
* Copyright (C) 2020 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <cxxabi.h>
#include <gtest/gtest.h>
TEST(__cxa_atexit, simple) {
int counter = 0;
__cxxabiv1::__cxa_atexit([](void* arg) { ++*static_cast<int*>(arg); }, &counter, &counter);
__cxxabiv1::__cxa_finalize(&counter);
ASSERT_EQ(counter, 1);
// The handler won't be called twice.
__cxxabiv1::__cxa_finalize(&counter);
ASSERT_EQ(counter, 1);
}
TEST(__cxa_atexit, order) {
static std::vector<int> actual;
char handles[2];
auto append_to_actual = [](void* arg) {
int* idx = static_cast<int*>(arg);
actual.push_back(*idx);
delete idx;
};
for (int i = 0; i < 500; ++i) {
__cxxabiv1::__cxa_atexit(append_to_actual, new int{i}, &handles[i % 2]);
}
__cxxabiv1::__cxa_finalize(&handles[0]);
for (int i = 500; i < 750; ++i) {
__cxxabiv1::__cxa_atexit(append_to_actual, new int{i}, &handles[1]);
}
__cxxabiv1::__cxa_finalize(&handles[1]);
std::vector<int> expected;
for (int i = 498; i >= 0; i -= 2) expected.push_back(i);
for (int i = 749; i >= 500; --i) expected.push_back(i);
for (int i = 499; i >= 1; i -= 2) expected.push_back(i);
ASSERT_EQ(expected.size(), actual.size());
for (size_t i = 0; i < expected.size(); ++i) {
ASSERT_EQ(expected[i], actual[i]) << "index=" << i;
}
}
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