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 <tinyalsa/asoundlib.h>
20 #include <Log.h>
21 #include <audio/AudioHardware.h>
22
23 class MixerTest : public testing::Test {
24 public:
25
SetUp()26 virtual void SetUp() {
27
28 }
29
TearDown()30 virtual void TearDown() {
31
32 }
33 };
34
35
TEST_F(MixerTest,tryTinyAlsaTest)36 TEST_F(MixerTest, tryTinyAlsaTest) {
37 int hwId = AudioHardware::detectAudioHw();
38 ASSERT_TRUE(hwId >= 0);
39 struct mixer* mixerp = mixer_open(hwId);
40 ASSERT_TRUE(mixerp != NULL);
41 int num_ctls = mixer_get_num_ctls(mixerp);
42 LOGI("Number of mixel control %d", num_ctls);
43 for (int i = 0; i < num_ctls; i++) {
44 struct mixer_ctl* control = mixer_get_ctl(mixerp, i);
45 ASSERT_TRUE(control != NULL);
46 LOGI("Mixer control %s type %s value %d", mixer_ctl_get_name(control),
47 mixer_ctl_get_type_string(control), mixer_ctl_get_num_values(control));
48 free(control);
49 }
50 // no mixer control for MobilePre. If this assumption fails,
51 // mixer control should be added.
52 ASSERT_TRUE(num_ctls == 0);
53 mixer_close(mixerp);
54 }
55
56