Merge "Add onPreferenceChange_update tests" into sc-dev

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.times;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.content.Context;

        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);

    }

    @Test

    public void onPreferenceChange_update() {

        // Set "Enable 2G" flag to "on"

        when(mTelephonyManager.getAllowedNetworkTypesForReason(

                TelephonyManager.ALLOWED_NETWORK_TYPES_REASON_ENABLE_2G)).thenReturn(

                (long) (TelephonyManager.NETWORK_TYPE_BITMASK_GSM

                        | TelephonyManager.NETWORK_TYPE_BITMASK_LTE));

        // Setup state to allow disabling

        doReturn(true).when(mTelephonyManager).isRadioInterfaceCapabilitySupported(

                mTelephonyManager.CAPABILITY_ALLOWED_NETWORK_TYPES_USED);

        mPersistableBundle.putBoolean(CarrierConfigManager.KEY_HIDE_ENABLE_2G,

                false);

        // Disable 2G

        boolean changed = mController.setChecked(false);

        assertThat(changed).isEqualTo(true);

        verify(mTelephonyManager, times(1)).setAllowedNetworkTypesForReason(

                TelephonyManager.ALLOWED_NETWORK_TYPES_REASON_ENABLE_2G,

                TelephonyManager.NETWORK_TYPE_BITMASK_LTE);

    }

}