DatabaseLockTest.java 文件源码

@Suppress
public void testLockFairness() {
    startDatabaseFairnessThread();
    int previous = 0;
    for (int i = 0; i < NUM_ITERATIONS; i++) { 
        mDatabase.beginTransaction();
        int val = mCounter.get();
        if (i == 0) {
            previous = val - i;
        }
        assertTrue(previous == (val - i));
        try {
            Thread.currentThread().sleep(SLEEP_TIME); 
        } catch (InterruptedException e) {
            // ignore
        }
        mDatabase.endTransaction();
    }
}