Add test for android.media.AudioTrack.setVolume(float)
Bug: 12534920
Change-Id: Ic314d7f79fc7228c32bb0c4eeee58ab68605c715
diff --git a/tests/tests/media/src/android/media/cts/AudioTrackTest.java b/tests/tests/media/src/android/media/cts/AudioTrackTest.java
index 9b1879a..12b98b5 100644
--- a/tests/tests/media/src/android/media/cts/AudioTrackTest.java
+++ b/tests/tests/media/src/android/media/cts/AudioTrackTest.java
@@ -446,10 +446,9 @@
// Playback properties
// ----------------------------------
- // Test case 1: setStereoVolume() with max volume returns SUCCESS
- public void testSetStereoVolumeMax() throws Exception {
+ // Common code for the testSetStereoVolume* and testSetVolume* tests
+ private void testSetVolumeCommon(String testName, float vol, boolean isStereo) throws Exception {
// constants for test
- final String TEST_NAME = "testSetStereoVolumeMax";
final int TEST_SR = 22050;
final int TEST_CONF = AudioFormat.CHANNEL_CONFIGURATION_STEREO;
final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
@@ -465,61 +464,35 @@
track.write(data, OFFSET_DEFAULT, data.length);
track.write(data, OFFSET_DEFAULT, data.length);
track.play();
- float maxVol = AudioTrack.getMaxVolume();
- assertTrue(TEST_NAME, track.setStereoVolume(maxVol, maxVol) == AudioTrack.SUCCESS);
+ if (isStereo) {
+ // TODO to really test this, do a pan instead of using same value for left and right
+ assertTrue(testName, track.setStereoVolume(vol, vol) == AudioTrack.SUCCESS);
+ } else {
+ assertTrue(testName, track.setVolume(vol) == AudioTrack.SUCCESS);
+ }
// -------- tear down --------------
track.release();
}
+ // Test case 1: setStereoVolume() with max volume returns SUCCESS
+ public void testSetStereoVolumeMax() throws Exception {
+ final String TEST_NAME = "testSetStereoVolumeMax";
+ float maxVol = AudioTrack.getMaxVolume();
+ testSetVolumeCommon(TEST_NAME, maxVol, true /*isStereo*/);
+ }
+
// Test case 2: setStereoVolume() with min volume returns SUCCESS
public void testSetStereoVolumeMin() throws Exception {
- // constants for test
final String TEST_NAME = "testSetStereoVolumeMin";
- final int TEST_SR = 22050;
- final int TEST_CONF = AudioFormat.CHANNEL_CONFIGURATION_STEREO;
- final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
- final int TEST_MODE = AudioTrack.MODE_STREAM;
- final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
-
- // -------- initialization --------------
- int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
- AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
- 2 * minBuffSize, TEST_MODE);
- byte data[] = new byte[minBuffSize];
- // -------- test --------------
- track.write(data, OFFSET_DEFAULT, data.length);
- track.write(data, OFFSET_DEFAULT, data.length);
- track.play();
float minVol = AudioTrack.getMinVolume();
- assertTrue(TEST_NAME, track.setStereoVolume(minVol, minVol) == AudioTrack.SUCCESS);
- // -------- tear down --------------
- track.release();
+ testSetVolumeCommon(TEST_NAME, minVol, true /*isStereo*/);
}
// Test case 3: setStereoVolume() with mid volume returns SUCCESS
public void testSetStereoVolumeMid() throws Exception {
- // constants for test
final String TEST_NAME = "testSetStereoVolumeMid";
- final int TEST_SR = 22050;
- final int TEST_CONF = AudioFormat.CHANNEL_CONFIGURATION_STEREO;
- final int TEST_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
- final int TEST_MODE = AudioTrack.MODE_STREAM;
- final int TEST_STREAM_TYPE = AudioManager.STREAM_MUSIC;
-
- // -------- initialization --------------
- int minBuffSize = AudioTrack.getMinBufferSize(TEST_SR, TEST_CONF, TEST_FORMAT);
- AudioTrack track = new AudioTrack(TEST_STREAM_TYPE, TEST_SR, TEST_CONF, TEST_FORMAT,
- 2 * minBuffSize, TEST_MODE);
- byte data[] = new byte[minBuffSize];
- // -------- test --------------
-
- track.write(data, OFFSET_DEFAULT, data.length);
- track.write(data, OFFSET_DEFAULT, data.length);
- track.play();
float midVol = (AudioTrack.getMaxVolume() - AudioTrack.getMinVolume()) / 2;
- assertTrue(TEST_NAME, track.setStereoVolume(midVol, midVol) == AudioTrack.SUCCESS);
- // -------- tear down --------------
- track.release();
+ testSetVolumeCommon(TEST_NAME, midVol, true /*isStereo*/);
}
// Test case 4: setPlaybackRate() with half the content rate returns SUCCESS
@@ -644,6 +617,27 @@
track.release();
}
+ // Test case 9: setVolume() with max volume returns SUCCESS
+ public void testSetVolumeMax() throws Exception {
+ final String TEST_NAME = "testSetVolumeMax";
+ float maxVol = AudioTrack.getMaxVolume();
+ testSetVolumeCommon(TEST_NAME, maxVol, false /*isStereo*/);
+ }
+
+ // Test case 10: setVolume() with min volume returns SUCCESS
+ public void testSetVolumeMin() throws Exception {
+ final String TEST_NAME = "testSetVolumeMin";
+ float minVol = AudioTrack.getMinVolume();
+ testSetVolumeCommon(TEST_NAME, minVol, false /*isStereo*/);
+ }
+
+ // Test case 11: setVolume() with mid volume returns SUCCESS
+ public void testSetVolumeMid() throws Exception {
+ final String TEST_NAME = "testSetVolumeMid";
+ float midVol = (AudioTrack.getMaxVolume() - AudioTrack.getMinVolume()) / 2;
+ testSetVolumeCommon(TEST_NAME, midVol, false /*isStereo*/);
+ }
+
// -----------------------------------------------------------------
// Playback progress
// ----------------------------------
