| /* |
| * 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; |
| } |
| } |