101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
/*
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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/coroutine.hpp>
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#if !UNIFEX_NO_COROUTINES
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#include <unifex/invoke.hpp>
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#include <unifex/task.hpp>
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#include <unifex/sync_wait.hpp>
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#include <optional>
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#include <gtest/gtest.h>
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using namespace unifex;
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TEST(CoInvoke, NoArgumentsNoCaptures) {
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task<int> t = co_invoke([]() -> task<int> { co_return 42; });
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std::optional<int> result = sync_wait(std::move(t));
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ASSERT_TRUE(!!result);
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EXPECT_EQ(*result, 42);
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}
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TEST(CoInvoke, NoArgumentsWithByValueCaptures) {
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int i = 42;
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task<int> t = co_invoke([=]() -> task<int> { co_return i; });
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std::optional<int> result = sync_wait(std::move(t));
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ASSERT_TRUE(!!result);
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EXPECT_EQ(*result, 42);
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}
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TEST(CoInvoke, NoArgumentsWithByRefCaptures) {
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int i = 42;
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task<int> t = co_invoke([&]() -> task<int> { co_return i; });
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std::optional<int> result = sync_wait(std::move(t));
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ASSERT_TRUE(!!result);
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EXPECT_EQ(*result, 42);
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}
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TEST(CoInvoke, WithArgumentsWithByValueCaptures) {
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int i = 42;
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task<int> t = co_invoke([=](int j) -> task<int> { co_return i + j; }, 58);
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std::optional<int> result = sync_wait(std::move(t));
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ASSERT_TRUE(!!result);
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EXPECT_EQ(*result, 100);
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}
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TEST(CoInvoke, WithArgumentsWithByRefCaptures) {
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int i = 42;
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task<int> t = co_invoke([&](int j) -> task<int> { co_return i + j; }, 58);
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std::optional<int> result = sync_wait(std::move(t));
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ASSERT_TRUE(!!result);
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EXPECT_EQ(*result, 100);
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}
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TEST(CoInvoke, WithLvalueArgumentsWithByValueCaptures) {
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int i = 42;
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task<int> t = [=]() {
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int arg = 58;
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return co_invoke([=](int j) -> task<int> { co_return i + j; }, arg);
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}();
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std::optional<int> result = sync_wait(std::move(t));
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ASSERT_TRUE(!!result);
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EXPECT_EQ(*result, 100);
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}
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TEST(CoInvoke, WithLvalueArgumentsWithByRefCaptures) {
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int i = 42;
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task<int> t = [&]() {
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int arg = 58;
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return co_invoke([&](int j) -> task<int> { co_return i + j; }, arg);
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}();
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std::optional<int> result = sync_wait(std::move(t));
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ASSERT_TRUE(!!result);
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EXPECT_EQ(*result, 100);
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}
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TEST(CoInvoke, WithLvalueFunctionObject) {
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auto fn = []() -> task<int> { co_return 42; };
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task<int> t = co_invoke(fn);
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std::optional<int> result = sync_wait(std::move(t));
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ASSERT_TRUE(!!result);
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EXPECT_EQ(*result, 42);
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}
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#endif // !UNIFEX_NO_COROUTINES
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