aade74675c
This makes exception handling a lot simpler, since we don't have to convert any exceptions this way. Is also properly handles all the user-thrown exceptions. Reviewed By: ldionne, #libc Spies: arichardson, mstorsjo, libcxx-commits Differential Revision: https://reviews.llvm.org/D154238
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14
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// UNSUPPORTED: no-exceptions
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// REQUIRES: has-unix-headers
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// UNSUPPORTED: libcpp-has-no-incomplete-pstl
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// check that std::fill(ExecutionPolicy) and std::fill_n(ExecutionPolicy) terminate on user-thrown exceptions
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#include <algorithm>
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#include "check_assertion.h"
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#include "test_execution_policies.h"
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#include "test_iterators.h"
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#ifndef TEST_HAS_NO_EXCEPTIONS
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struct ThrowOnCopy {
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ThrowOnCopy& operator=(const ThrowOnCopy&) { throw int{}; }
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};
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#endif
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int main(int, char**) {
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ThrowOnCopy a[2]{};
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int b[2]{};
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test_execution_policies([&](auto&& policy) {
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// std::fill
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EXPECT_STD_TERMINATE([&] { (void)std::fill(policy, std::begin(a), std::end(a), ThrowOnCopy{}); });
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EXPECT_STD_TERMINATE([&] {
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try {
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(void)std::fill(
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policy, util::throw_on_move_iterator(std::begin(b), 1), util::throw_on_move_iterator(std::end(b), 1), 0);
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} catch (const util::iterator_error&) {
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assert(false);
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}
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std::terminate(); // make the test pass in case the algorithm didn't move the iterator
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});
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// std::fill_n
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EXPECT_STD_TERMINATE([&] { (void)std::fill_n(policy, std::begin(a), std::size(a), ThrowOnCopy{}); });
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EXPECT_STD_TERMINATE([&] {
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try {
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(void)std::fill_n(policy, util::throw_on_move_iterator(std::begin(b), 1), std::size(b), 0);
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} catch (const util::iterator_error&) {
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assert(false);
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}
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std::terminate(); // make the test pass in case the algorithm didn't move the iterator
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});
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});
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}
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