1 files changed, 77 insertions, 0 deletions
diff --git a/robolectric/src/test/java/org/robolectric/shadows/AudioProfileBuilderTest.java b/robolectric/src/test/java/org/robolectric/shadows/AudioProfileBuilderTest.java
new file mode 100644
index 000000000..30980a532
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+++ b/robolectric/src/test/java/org/robolectric/shadows/AudioProfileBuilderTest.java
@@ -0,0 +1,77 @@
+package org.robolectric.shadows;
+
+import static android.os.Build.VERSION_CODES.S;
+import static com.google.common.truth.Truth.assertThat;
+
+import android.media.AudioFormat;
+import android.media.AudioProfile;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.annotation.Config;
+
+/** Tests for {@link AudioProfileBuilder}. */
+@RunWith(AndroidJUnit4.class)
+@Config(minSdk = S)
+public class AudioProfileBuilderTest {
+
+  @Test
+  public void canCreateAudioProfile() {
+    AudioProfile audioProfile =
+        AudioProfileBuilder.newBuilder()
+            .setFormat(AudioFormat.ENCODING_AC3)
+            .setSamplingRates(new int[] {48_000})
+            .setChannelMasks(new int[] {AudioFormat.CHANNEL_OUT_5POINT1})
+            // The canonical channel index masks by channel count are given by the formula
+            // (1 << channelCount) - 1. See:
+            // https://developer.android.com/reference/android/media/AudioFormat#channelMask
+            .setChannelIndexMasks(new int[] {0x3F})
+            .setEncapsulationType(AudioProfile.AUDIO_ENCAPSULATION_TYPE_NONE)
+            .build();
+
+    assertThat(audioProfile.getFormat()).isEqualTo(AudioFormat.ENCODING_AC3);
+    int[] sampleRates = audioProfile.getSampleRates();
+    assertThat(sampleRates).hasLength(1);
+    assertThat(sampleRates[0]).isEqualTo(48_000);
+    int[] channelMasks = audioProfile.getChannelMasks();
+    assertThat(channelMasks).hasLength(1);
+    assertThat(channelMasks[0]).isEqualTo(AudioFormat.CHANNEL_OUT_5POINT1);
+    int[] channelIndexMasks = audioProfile.getChannelIndexMasks();
+    assertThat(channelIndexMasks).hasLength(1);
+    assertThat(channelIndexMasks[0]).isEqualTo(0x3F);
+    assertThat(audioProfile.getEncapsulationType())
+        .isEqualTo(AudioProfile.AUDIO_ENCAPSULATION_TYPE_NONE);
+  }
+
+  @Test
+  public void buildAudioProfile_withDefaultValues_buildsExpectedObject() {
+    AudioProfile audioProfile = AudioProfileBuilder.newBuilder().build();
+
+    assertThat(audioProfile.getFormat()).isEqualTo(AudioFormat.ENCODING_PCM_16BIT);
+    assertThat(audioProfile.getSampleRates()).isEqualTo(new int[] {48000});
+    assertThat(audioProfile.getChannelMasks())
+        .isEqualTo(new int[] {AudioFormat.CHANNEL_OUT_STEREO});
+    assertThat(audioProfile.getChannelIndexMasks()).isEqualTo(new int[0]);
+    assertThat(audioProfile.getEncapsulationType())
+        .isEqualTo(AudioProfile.AUDIO_ENCAPSULATION_TYPE_NONE);
+  }
+
+  @Test
+  public void buildAudioProfile_withSetValues_buildsExpectedObject() {
+    AudioProfile audioProfile =
+        AudioProfileBuilder.newBuilder()
+            .setFormat(AudioFormat.ENCODING_PCM_32BIT)
+            .setSamplingRates(new int[] {96000})
+            .setChannelMasks(new int[] {AudioFormat.CHANNEL_OUT_QUAD})
+            .setChannelIndexMasks(new int[] {0x5})
+            .setEncapsulationType(AudioProfile.AUDIO_ENCAPSULATION_TYPE_IEC61937)
+            .build();
+
+    assertThat(audioProfile.getFormat()).isEqualTo(AudioFormat.ENCODING_PCM_32BIT);
+    assertThat(audioProfile.getSampleRates()).isEqualTo(new int[] {96000});
+    assertThat(audioProfile.getChannelMasks()).isEqualTo(new int[] {AudioFormat.CHANNEL_OUT_QUAD});
+    assertThat(audioProfile.getChannelIndexMasks()).isEqualTo(new int[] {0x5});
+    assertThat(audioProfile.getEncapsulationType())
+        .isEqualTo(AudioProfile.AUDIO_ENCAPSULATION_TYPE_IEC61937);
+  }
+}