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/*
* Copyright (C) 2024 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <audio_utils/CommandThread.h>
#include <gtest/gtest.h>
TEST(commandthread, basic) {
android::audio_utils::CommandThread ct;
ct.add("one", [](){});
ct.add("two", [](){});
ct.quit();
EXPECT_EQ(0, ct.size());
EXPECT_EQ("", ct.dump());
}
TEST(commandthread, full) {
std::mutex m;
std::condition_variable cv;
int stage = 0;
android::audio_utils::CommandThread ct;
// load the CommandThread queue.
ct.add("one", [&]{
std::unique_lock ul(m);
stage = 1;
cv.notify_one();
cv.wait(ul, [&] { return stage == 2; });
});
ct.add("two", [&]{
std::unique_lock ul(m);
stage = 3;
cv.notify_one();
cv.wait(ul, [&] { return stage == 4; });
});
ct.add("three", [&]{
std::unique_lock ul(m);
stage = 5;
cv.notify_one();
cv.wait(ul, [&] { return stage == 6; });
});
std::unique_lock ul(m);
// step through each command in the queue.
cv.wait(ul, [&] { return stage == 1; });
EXPECT_EQ(2, ct.size());
EXPECT_EQ("two\nthree\n", ct.dump());
stage = 2;
cv.notify_one();
cv.wait(ul, [&] { return stage == 3; });
EXPECT_EQ(1, ct.size());
EXPECT_EQ("three\n", ct.dump());
stage = 4;
cv.notify_one();
cv.wait(ul, [&] { return stage == 5; });
EXPECT_EQ(0, ct.size());
EXPECT_EQ("", ct.dump());
stage = 6;
cv.notify_one();
}
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