bf9eb2c581
No need to keep the 'lazy' term in the name to distinguish it from eager tasks as all task are lazy now.
97 lines
1.9 KiB
C++
97 lines
1.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Copyright (c) Lewis Baker
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// Licenced under MIT license. See LICENSE.txt for details.
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///////////////////////////////////////////////////////////////////////////////
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#include <cppcoro/async_manual_reset_event.hpp>
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#include <cppcoro/task.hpp>
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#include <cppcoro/sync_wait.hpp>
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#include <cppcoro/when_all_ready.hpp>
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#include "doctest/doctest.h"
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TEST_SUITE_BEGIN("async_manual_reset_event");
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TEST_CASE("default constructor initially not set")
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{
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cppcoro::async_manual_reset_event event;
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CHECK(!event.is_set());
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}
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TEST_CASE("construct event initially set")
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{
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cppcoro::async_manual_reset_event event{ true };
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CHECK(event.is_set());
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}
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TEST_CASE("set and reset")
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{
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cppcoro::async_manual_reset_event event;
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CHECK(!event.is_set());
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event.set();
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CHECK(event.is_set());
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event.set();
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CHECK(event.is_set());
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event.reset();
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CHECK(!event.is_set());
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event.reset();
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CHECK(!event.is_set());
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event.set();
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CHECK(event.is_set());
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}
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TEST_CASE("await not set event")
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{
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cppcoro::async_manual_reset_event event;
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auto createWaiter = [&](bool& flag) -> cppcoro::task<>
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{
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co_await event;
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flag = true;
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};
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bool completed1 = false;
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bool completed2 = false;
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auto check = [&]() -> cppcoro::task<>
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{
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CHECK(!completed1);
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CHECK(!completed2);
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event.reset();
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CHECK(!completed1);
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CHECK(!completed2);
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event.set();
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CHECK(completed1);
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CHECK(completed2);
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co_return;
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};
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cppcoro::sync_wait(cppcoro::when_all_ready(
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createWaiter(completed1),
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createWaiter(completed2),
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check()));
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}
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TEST_CASE("awaiting already set event doesn't suspend")
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{
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cppcoro::async_manual_reset_event event{ true };
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auto createWaiter = [&]() -> cppcoro::task<>
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{
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co_await event;
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};
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// Should complete without blocking.
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cppcoro::sync_wait(cppcoro::when_all_ready(
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createWaiter(),
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createWaiter()));
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}
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TEST_SUITE_END();
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