71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
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/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License Version 2.0 with LLVM Exceptions
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* https://llvm.org/LICENSE.txt
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unifex/delay.hpp>
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#include <unifex/for_each.hpp>
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#include <unifex/inplace_stop_token.hpp>
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#include <unifex/range_stream.hpp>
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#include <unifex/sync_wait.hpp>
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#include <unifex/timed_single_thread_context.hpp>
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#include <unifex/typed_via_stream.hpp>
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#include <unifex/scheduler_concepts.hpp>
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#include <unifex/then.hpp>
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#include <unifex/stop_when.hpp>
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#include <chrono>
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#include <cstdio>
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#include <thread>
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#include <gtest/gtest.h>
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using namespace unifex;
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using namespace std::chrono;
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TEST(Delay, Smoke) {
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timed_single_thread_context context;
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auto startTime = steady_clock::now();
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sync_wait(
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stop_when(
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for_each(
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delay(range_stream{0, 100}, context.get_scheduler(), 100ms),
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[startTime](int value) {
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auto ms = duration_cast<milliseconds>(steady_clock::now() - startTime);
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std::printf("[%i ms] %i\n", (int)ms.count(), value);
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}),
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then(
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schedule_at(context.get_scheduler(), startTime + 500ms),
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[] { std::printf("cancelling\n"); })));
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}
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TEST(Delay, Pipeable) {
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timed_single_thread_context context;
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auto startTime = steady_clock::now();
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range_stream{0, 100}
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| delay(context.get_scheduler(), 100ms)
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| for_each(
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[startTime](int value) {
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auto ms = duration_cast<milliseconds>(steady_clock::now() - startTime);
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std::printf("[%i ms] %i\n", (int)ms.count(), value);
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})
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| stop_when(
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schedule_at(context.get_scheduler(), startTime + 500ms)
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| then([] { std::printf("cancelling\n"); }))
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| sync_wait();
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}
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