/* * Copyright (C) 2012 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 <stdint.h> #include <gtest/gtest.h> #include <UniquePtr.h> #include <tinyalsa/asoundlib.h> #include <Log.h> #include <audio/AudioHardware.h> class MixerTest : public testing::Test { public: virtual void SetUp() { } virtual void TearDown() { } }; TEST_F(MixerTest, tryTinyAlsaTest) { int hwId = AudioHardware::detectAudioHw(); ASSERT_TRUE(hwId >= 0); struct mixer* mixerp = mixer_open(hwId); ASSERT_TRUE(mixerp != NULL); int num_ctls = mixer_get_num_ctls(mixerp); LOGI("Number of mixel control %d", num_ctls); for (int i = 0; i < num_ctls; i++) { struct mixer_ctl* control = mixer_get_ctl(mixerp, i); ASSERT_TRUE(control != NULL); LOGI("Mixer control %s type %s value %d", mixer_ctl_get_name(control), mixer_ctl_get_type_string(control), mixer_ctl_get_num_values(control)); free(control); } // no mixer control for MobilePre. If this assumption fails, // mixer control should be added. ASSERT_TRUE(num_ctls == 0); mixer_close(mixerp); }