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957d3fa375
* Introduce cancellation_result to represent a cancelled async task * Add cancellation unit tests * This doesn't allow cancellation of continuables, it is meant for treating the special state action canceled on the receiver side. Cancellation of a chain is still up to the user.
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
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/*
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Copyright(c) 2015 - 2019 Denis Blank <denis.blank at outlook dot com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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**/
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#include <test-continuable.hpp>
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template <typename T, typename Callback>
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void async_supply(T&& value, Callback&& callback) {
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std::forward<Callback>(callback)(cti::exception_t{}, std::forward<T>(value));
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}
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TEST(promisify_tests, promisify_from) {
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auto c = cti::promisify<int>::from(
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[&](auto&&... args) {
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async_supply(std::forward<decltype(args)>(args)...);
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},
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36354);
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EXPECT_ASYNC_RESULT(std::move(c), 36354);
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}
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TEST(promisify_tests, promisify_from_lvalue) {
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int value = 0;
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auto c = cti::promisify<int>::from(
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[&](auto&&... args) {
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async_supply(std::forward<decltype(args)>(args)...);
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},
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value);
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value = 36354;
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EXPECT_ASYNC_RESULT(std::move(c), 36354);
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}
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TEST(promisify_tests, promisify_with) {
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int value = 0;
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auto c = cti::promisify<int>::with(
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[](auto&& promise, auto&& /*e*/, int const& value) {
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EXPECT_EQ(value, 36354);
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promise.set_exception(supply_test_exception());
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},
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[&](auto&&... args) {
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async_supply(std::forward<decltype(args)>(args)...);
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},
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value);
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value = 36354;
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ASSERT_ASYNC_EXCEPTION_COMPLETION(std::move(c));
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}
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