mirror of
https://github.com/kidfromjupiter/nearby.git
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116 lines
4.0 KiB
C++
116 lines
4.0 KiB
C++
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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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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#include "internal/test/fake_task_runner.h"
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#include "gtest/gtest.h"
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#include "absl/time/time.h"
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#include "internal/test/fake_clock.h"
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namespace nearby {
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namespace {
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TEST(FakeTaskRunner, PostTask) {
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FakeClock clock;
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int count = 0;
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FakeTaskRunner task_runner{&clock, 1};
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task_runner.PostTask([&count] { ++count; });
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ASSERT_TRUE(
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FakeTaskRunner::WaitForRunningTasksWithTimeout(absl::Milliseconds(100)));
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EXPECT_EQ(task_runner.GetPendingTasks().size(), 0);
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EXPECT_EQ(count, 1);
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}
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TEST(FakeTaskRunner, PostDelayedTask) {
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FakeClock clock;
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int count = 0;
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FakeTaskRunner task_runner{&clock, 1};
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task_runner.PostDelayedTask(absl::Seconds(10), [&count] { ++count; });
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EXPECT_EQ(task_runner.GetPendingTasks().size(), 0);
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EXPECT_EQ(task_runner.GetPendingDelayedTask().size(), 1);
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EXPECT_EQ(count, 0);
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clock.FastForward(absl::Seconds(10));
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ASSERT_TRUE(
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FakeTaskRunner::WaitForRunningTasksWithTimeout(absl::Milliseconds(100)));
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EXPECT_EQ(count, 1);
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EXPECT_EQ(task_runner.GetPendingDelayedTask().size(), 0);
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}
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TEST(FakeTaskRunner, PostTasksInPendingMode) {
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FakeClock clock;
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FakeTaskRunner task_runner{&clock, 1};
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task_runner.SetMode(FakeTaskRunner::Mode::kPending);
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EXPECT_EQ(task_runner.GetConcurrentCount(), 1);
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task_runner.PostTask([]() {});
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task_runner.PostTask([]() {});
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EXPECT_EQ(task_runner.GetPendingTasks().size(), 2);
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task_runner.RunNextTask();
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EXPECT_EQ(task_runner.GetPendingTasks().size(), 1);
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task_runner.RunNextTask();
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EXPECT_EQ(task_runner.GetPendingTasks().size(), 0);
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}
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TEST(FakeTaskRunner, RunAllPostedTasksInPendingMode) {
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FakeClock clock;
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FakeTaskRunner task_runner{&clock, 1};
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task_runner.SetMode(FakeTaskRunner::Mode::kPending);
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task_runner.PostTask([]() {});
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task_runner.PostTask([]() {});
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EXPECT_EQ(task_runner.GetPendingTasks().size(), 2);
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task_runner.RunAllPendingTasks();
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ASSERT_TRUE(
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FakeTaskRunner::WaitForRunningTasksWithTimeout(absl::Milliseconds(100)));
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EXPECT_EQ(task_runner.GetPendingTasks().size(), 0);
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}
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TEST(FakeTaskRunner, PostDelayedTaskInPendingMode) {
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FakeClock clock;
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bool called = false;
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FakeTaskRunner task_runner{&clock, 1};
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task_runner.SetMode(FakeTaskRunner::Mode::kPending);
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task_runner.PostDelayedTask(absl::Seconds(1), [&called]() { called = true; });
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EXPECT_EQ(task_runner.GetPendingDelayedTask().size(), 1);
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clock.FastForward(absl::Seconds(1));
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EXPECT_EQ(task_runner.GetPendingDelayedTask().size(), 0);
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EXPECT_EQ(task_runner.GetPendingTasks().size(), 1);
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task_runner.RunAllPendingTasks();
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ASSERT_TRUE(
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FakeTaskRunner::WaitForRunningTasksWithTimeout(absl::Milliseconds(100)));
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EXPECT_EQ(task_runner.GetPendingTasks().size(), 0);
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EXPECT_TRUE(called);
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}
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TEST(FakeTaskRunner, PostDelayedTaskInDelayedTask) {
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FakeClock clock;
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int called_count = 0;
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FakeTaskRunner task_runner{&clock, 1};
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task_runner.PostDelayedTask(
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absl::Seconds(1), [&called_count, &task_runner]() {
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++called_count;
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task_runner.PostDelayedTask(absl::Seconds(1),
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[&called_count]() { ++called_count; });
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});
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clock.FastForward(absl::Seconds(1));
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ASSERT_TRUE(
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FakeTaskRunner::WaitForRunningTasksWithTimeout(absl::Milliseconds(100)));
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EXPECT_EQ(called_count, 1);
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clock.FastForward(absl::Seconds(1));
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ASSERT_TRUE(
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FakeTaskRunner::WaitForRunningTasksWithTimeout(absl::Milliseconds(100)));
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EXPECT_EQ(called_count, 2);
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}
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} // namespace
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} // namespace nearby
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