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
SetUp()27 virtual void SetUp() {
28
29 }
30
TearDown()31 virtual void TearDown() {
32
33 }
34 };
35
36
TEST_F(MixerTest,tryTinyAlsaTest)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