aaudio: test some state transitions

// Test AAudioStream_setBufferSizeInFrames()

constexpr int64_t NANOS_PER_MILLISECOND = 1000 * 1000;

//int foo() { // To fix Android Studio formatting when editing.

TEST(test_various, aaudio_stop_when_open) {

    AAudioStreamBuilder *aaudioBuilder = nullptr;

    AAudioStream *aaudioStream = nullptr;

// Use an AAudioStreamBuilder to contain requested parameters.

    ASSERT_EQ(AAUDIO_OK, AAudio_createStreamBuilder(&aaudioBuilder));

// Request stream properties.

    AAudioStreamBuilder_setDataCallback(aaudioBuilder, MyDataCallbackProc, nullptr);

    AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, AAUDIO_PERFORMANCE_MODE_LOW_LATENCY);

// Create an AAudioStream using the Builder.

    EXPECT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream));

    aaudio_stream_state_t state = AAUDIO_STREAM_STATE_UNKNOWN;

    EXPECT_EQ(AAUDIO_OK, AAudioStream_waitForStateChange(aaudioStream,

                                                         AAUDIO_STREAM_STATE_UNKNOWN, &state,

                                                         1000 * NANOS_PER_MILLISECOND));

    EXPECT_EQ(AAUDIO_STREAM_STATE_OPEN, state);

    EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream));

    state = AAUDIO_STREAM_STATE_UNKNOWN;

    EXPECT_EQ(AAUDIO_OK, AAudioStream_waitForStateChange(aaudioStream,

                                                         AAUDIO_STREAM_STATE_UNKNOWN, &state, 0));

    EXPECT_EQ(AAUDIO_STREAM_STATE_OPEN, state);

    AAudioStream_close(aaudioStream);

    AAudioStreamBuilder_delete(aaudioBuilder);

}

//int boo() { // To fix Android Studio formatting when editing.

TEST(test_various, aaudio_flush_when_started) {

    AAudioStreamBuilder *aaudioBuilder = nullptr;

    AAudioStream *aaudioStream = nullptr;

// Use an AAudioStreamBuilder to contain requested parameters.

    ASSERT_EQ(AAUDIO_OK, AAudio_createStreamBuilder(&aaudioBuilder));

// Request stream properties.

    AAudioStreamBuilder_setDataCallback(aaudioBuilder, MyDataCallbackProc, nullptr);

    AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, AAUDIO_PERFORMANCE_MODE_LOW_LATENCY);

// Create an AAudioStream using the Builder.

    EXPECT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream));

    EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream));

    aaudio_stream_state_t state = AAUDIO_STREAM_STATE_UNKNOWN;

    EXPECT_EQ(AAUDIO_OK, AAudioStream_waitForStateChange(aaudioStream,

                                                         AAUDIO_STREAM_STATE_STARTING, &state,

                                                         1000 * NANOS_PER_MILLISECOND));

    EXPECT_EQ(AAUDIO_STREAM_STATE_STARTED, state);

    EXPECT_EQ(AAUDIO_ERROR_INVALID_STATE, AAudioStream_requestFlush(aaudioStream));

    state = AAUDIO_STREAM_STATE_UNKNOWN;

    EXPECT_EQ(AAUDIO_OK, AAudioStream_waitForStateChange(aaudioStream,

                                                         AAUDIO_STREAM_STATE_UNKNOWN, &state, 0));

    EXPECT_EQ(AAUDIO_STREAM_STATE_STARTED, state);

    AAudioStream_close(aaudioStream);

    AAudioStreamBuilder_delete(aaudioBuilder);

}

//int main() { // To fix Android Studio formatting when editing.

TEST(test_various, aaudio_set_buffer_size) {

    aaudio_result_t result = AAUDIO_OK;

    int32_t bufferCapacity;

    int32_t framesPerBurst = 0;

    int32_t actualSize = 0;

    AAudioStream_close(aaudioStream);

    AAudioStreamBuilder_delete(aaudioBuilder);

    printf("          result = %d = %s\n", result, AAudio_convertResultToText(result));

}