Merge "Add unit tests for special cases for adjust-only AVB."

        assertThat(mNativeWrapper.getResultMessages()).isEmpty();

        assertThat(mNativeWrapper.getResultMessages()).isEmpty();

    }

    }

    @Test

    public void adjustOnlyAvbEnabled_savlBecomesSupported_switchToAvb() {

        enableAdjustOnlyAbsoluteVolumeBehavior();

        mNativeWrapper.clearResultMessages();

        // When the Audio System reports support for <Set Audio Volume Level>,

        // the device should start the process for adopting AVB by sending <Give Audio Status>

        receiveSetAudioVolumeLevelSupport(DeviceFeatures.FEATURE_SUPPORTED);

        verifyGiveAudioStatusSent();

        // The device should use adjust-only AVB while waiting for <Report Audio Status>

        assertThat(mAudioManager.getDeviceVolumeBehavior(getAudioOutputDevice())).isEqualTo(

                AudioManager.DEVICE_VOLUME_BEHAVIOR_ABSOLUTE_ADJUST_ONLY);

        // The device should switch to AVB upon receiving <Report Audio Status>

        receiveReportAudioStatus(60, false);

        assertThat(mAudioManager.getDeviceVolumeBehavior(getAudioOutputDevice())).isEqualTo(

                AudioManager.DEVICE_VOLUME_BEHAVIOR_ABSOLUTE);

    }

    /**

     * Tests that adjust-only AVB is not interrupted when a device's support for

     * <Set Audio Volume Level> becomes unknown.

     *

     * This may currently occur when NewDeviceAction overwrites a device's info in HdmiCecNetwork.

     * However, because replicating this scenario would be brittle and the behavior may change,

     * this test does not simulate it and instead changes HdmiCecNetwork directly.

     */

    @Test

    public void adjustOnlyAvbEnabled_savlSupportBecomesUnknown_keepUsingAdjustOnlyAvb() {

        enableAdjustOnlyAbsoluteVolumeBehavior();

        mNativeWrapper.clearResultMessages();

        // Make sure the existing SetAudioVolumeLevelDiscoveryAction expires,

        // so that we can check whether a new one is started.

        mTestLooper.moveTimeForward(HdmiConfig.TIMEOUT_MS + 1);

        mTestLooper.dispatchAll();

        // Replace Audio System device info with one that has unknown support for all features

        HdmiDeviceInfo updatedAudioSystemDeviceInfo =

                mHdmiControlService.getHdmiCecNetwork().getDeviceInfo(Constants.ADDR_AUDIO_SYSTEM)

                .toBuilder()

                .setDeviceFeatures(DeviceFeatures.ALL_FEATURES_SUPPORT_UNKNOWN)

                .build();

        mHdmiControlService.getHdmiCecNetwork().addCecDevice(updatedAudioSystemDeviceInfo);

        mTestLooper.dispatchAll();

        // The device should not switch away from adjust-only AVB

        assertThat(mAudioManager.getDeviceVolumeBehavior(getAudioOutputDevice())).isEqualTo(

                AudioManager.DEVICE_VOLUME_BEHAVIOR_ABSOLUTE_ADJUST_ONLY);

        // The device should query support for <Set Audio Volume Level> again

        assertThat(mNativeWrapper.getResultMessages()).contains(

                SetAudioVolumeLevelMessage.build(

                        getLogicalAddress(), getSystemAudioDeviceLogicalAddress(),

                        Constants.AUDIO_VOLUME_STATUS_UNKNOWN));

    }

}

}