1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 #include <stdint.h> 17 #include <gtest/gtest.h> 18 19 #include <UniquePtr.h> 20 #include <tinyalsa/asoundlib.h> 21 #include <Log.h> 22 #include <audio/AudioHardware.h> 23 24 class MixerTest : public testing::Test { 25 public: 26 27 virtual void SetUp() { 28 29 } 30 31 virtual void TearDown() { 32 33 } 34 }; 35 36 37 TEST_F(MixerTest, tryTinyAlsaTest) { 38 int hwId = AudioHardware::detectAudioHw(); 39 ASSERT_TRUE(hwId >= 0); 40 struct mixer* mixerp = mixer_open(hwId); 41 ASSERT_TRUE(mixerp != NULL); 42 int num_ctls = mixer_get_num_ctls(mixerp); 43 LOGI("Number of mixel control %d", num_ctls); 44 for (int i = 0; i < num_ctls; i++) { 45 struct mixer_ctl* control = mixer_get_ctl(mixerp, i); 46 ASSERT_TRUE(control != NULL); 47 LOGI("Mixer control %s type %s value %d", mixer_ctl_get_name(control), 48 mixer_ctl_get_type_string(control), mixer_ctl_get_num_values(control)); 49 free(control); 50 } 51 // no mixer control for MobilePre. If this assumption fails, 52 // mixer control should be added. 53 ASSERT_TRUE(num_ctls == 0); 54 mixer_close(mixerp); 55 } 56 57
