1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.inputmethod.latin.utils; 18 19 import android.test.AndroidTestCase; 20 import android.test.suitebuilder.annotation.MediumTest; 21 import android.util.Log; 22 23 @MediumTest 24 public class AsyncResultHolderTests extends AndroidTestCase { 25 private static final String TAG = AsyncResultHolderTests.class.getSimpleName(); 26 27 private static final int TIMEOUT_IN_MILLISECONDS = 500; 28 private static final int MARGIN_IN_MILLISECONDS = 250; 29 private static final int DEFAULT_VALUE = 2; 30 private static final int SET_VALUE = 1; 31 32 private <T> void setAfterGivenTime(final AsyncResultHolder<T> holder, final T value, 33 final long time) { 34 new Thread(new Runnable() { 35 @Override 36 public void run() { 37 try { 38 Thread.sleep(time); 39 } catch (InterruptedException e) { 40 Log.d(TAG, "Exception while sleeping", e); 41 } 42 holder.set(value); 43 } 44 }).start(); 45 } 46 47 public void testGetWithoutSet() { 48 final AsyncResultHolder<Integer> holder = new AsyncResultHolder<Integer>(); 49 final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS); 50 assertEquals(DEFAULT_VALUE, resultValue); 51 } 52 53 public void testGetBeforeSet() { 54 final AsyncResultHolder<Integer> holder = new AsyncResultHolder<Integer>(); 55 setAfterGivenTime(holder, SET_VALUE, TIMEOUT_IN_MILLISECONDS + MARGIN_IN_MILLISECONDS); 56 final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS); 57 assertEquals(DEFAULT_VALUE, resultValue); 58 } 59 60 public void testGetAfterSet() { 61 final AsyncResultHolder<Integer> holder = new AsyncResultHolder<Integer>(); 62 holder.set(SET_VALUE); 63 final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS); 64 assertEquals(SET_VALUE, resultValue); 65 } 66 67 public void testGetBeforeTimeout() { 68 final AsyncResultHolder<Integer> holder = new AsyncResultHolder<Integer>(); 69 setAfterGivenTime(holder, SET_VALUE, TIMEOUT_IN_MILLISECONDS - MARGIN_IN_MILLISECONDS); 70 final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS); 71 assertEquals(SET_VALUE, resultValue); 72 } 73 } 74