[framweweworks] clean up broadcast receivers after test

import org.junit.Test;

import org.junit.runner.RunWith;

import java.util.ArrayList;

import java.util.List;

@RunWith(AndroidJUnit4.class)

@SmallTest

public class BroadcastReceiverTests {

    @Test

    public void testReceiverLimit() {

        final IntentFilter mockFilter = new IntentFilter("android.content.tests.TestAction");

        final List<EmptyReceiver> receivers = new ArrayList<>(RECEIVER_LIMIT_PER_APP);

        try {

            for (int i = 0; i < RECEIVER_LIMIT_PER_APP + 1; i++) {

                mContext.registerReceiver(new EmptyReceiver(), mockFilter,

                final EmptyReceiver receiver = new EmptyReceiver();

                mContext.registerReceiver(receiver, mockFilter,

                        Context.RECEIVER_EXPORTED_UNAUDITED);

                receivers.add(receiver);

            }

            fail("No exception thrown when registering "

                    + (RECEIVER_LIMIT_PER_APP + 1) + " receivers");

        } catch (IllegalStateException ise) {

            // Expected

        } finally {

            for (int i = receivers.size() - 1; i >= 0; i--) {

                mContext.unregisterReceiver(receivers.remove(i));

            }

        }

    }

}

                    if (isCharging(intent) == mExpectedChargingState) {

                        mReady.open();

                    }

                    context.unregisterReceiver(this);

                }

            }, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));

        }