audio tests: test for up message queue getting full

        "libutils",

    ],

}

cc_test {

    name: "test_full_queue",

    defaults: ["libaaudio_tests_defaults"],

    srcs: ["test_full_queue.cpp"],

    shared_libs: ["libaaudio"],

}

/*

 * Copyright (C) 2019 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.

 */

// Test whether a stream dies if it is written to after a delay.

// Maybe because the message queue from the AAudio service fills up.

#include <stdio.h>

#include <unistd.h>

#include <aaudio/AAudio.h>

#include <gtest/gtest.h>

constexpr int64_t kNanosPerSecond = 1000000000;

constexpr int64_t kTimeoutNanos = kNanosPerSecond / 2;

constexpr int kNumFrames = 256;

constexpr int kChannelCount = 2;

static void checkFullQueue(aaudio_performance_mode_t perfMode,

                           int32_t sleepMillis) {

    std::unique_ptr<float[]> buffer = std::make_unique<float[]>(

            kNumFrames * kChannelCount);

    AAudioStreamBuilder *aaudioBuilder = nullptr;

    // Use an AAudioStreamBuilder to contain requested parameters.

    ASSERT_EQ(AAUDIO_OK, AAudio_createStreamBuilder(&aaudioBuilder));

    AAudioStreamBuilder_setChannelCount(aaudioBuilder, kChannelCount);

    // Request stream properties.

    AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, perfMode);

    // Create an AAudioStream using the Builder.

    AAudioStream *aaudioStream = nullptr;

    ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder,

            &aaudioStream));

    AAudioStreamBuilder_delete(aaudioBuilder);

    EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream));

    // Sleep for awhile. This might kill the stream.

    usleep(sleepMillis * 1000); // 1000 millis in a microsecond

    for (int i = 0; i < 10; i++) {

        const aaudio_result_t result = AAudioStream_write(aaudioStream,

                buffer.get(),

                kNumFrames,

                kTimeoutNanos);

        EXPECT_EQ(kNumFrames, result);

        if (kNumFrames != result) break;

    }

    EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream));

    EXPECT_EQ(AAUDIO_OK, AAudioStream_close(aaudioStream));

}

TEST(test_full_queue, aaudio_full_queue_perf_none_50) {

    checkFullQueue(AAUDIO_PERFORMANCE_MODE_NONE, 50 /* sleepMillis */);

}

TEST(test_full_queue, aaudio_full_queue_perf_none_200) {

    checkFullQueue(AAUDIO_PERFORMANCE_MODE_NONE, 200 /* sleepMillis */);

}

TEST(test_full_queue, aaudio_full_queue_perf_none_1000) {

    checkFullQueue(AAUDIO_PERFORMANCE_MODE_NONE, 1000 /* sleepMillis */);

}

TEST(test_full_queue, aaudio_full_queue_low_latency_50) {

    checkFullQueue(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY, 50 /* sleepMillis */);

}

TEST(test_full_queue, aaudio_full_queue_low_latency_200) {

    checkFullQueue(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY, 200 /* sleepMillis */);

}

TEST(test_full_queue, aaudio_full_queue_low_latency_1000) {

    checkFullQueue(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY, 1000 /* sleepMillis */);

}