1 /* 2 * Copyright (C) 2015 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 package android.databinding.testapp; 17 18 import android.databinding.testapp.databinding.UnnecessaryCalculationBinding; 19 import android.databinding.testapp.vo.BasicObject; 20 import android.support.annotation.UiThread; 21 import android.test.UiThreadTest; 22 23 import java.util.concurrent.atomic.AtomicInteger; 24 25 public class UnnecessaryCalculationTest extends BaseDataBinderTest<UnnecessaryCalculationBinding> { 26 27 public UnnecessaryCalculationTest() { 28 super(UnnecessaryCalculationBinding.class); 29 } 30 31 @Override 32 protected void setUp() throws Exception { 33 super.setUp(); 34 initBinder(); 35 } 36 37 @UiThreadTest 38 public void testDontSetUnnecessaryFlags() { 39 BasicObjWithCounter obja = new BasicObjWithCounter(); 40 BasicObjWithCounter objb = new BasicObjWithCounter(); 41 BasicObjWithCounter objc = new BasicObjWithCounter(); 42 mBinder.setObja(obja); 43 mBinder.setObjb(objb); 44 mBinder.setObjc(objc); 45 mBinder.setA(true); 46 mBinder.setB(true); 47 mBinder.setC(false); 48 mBinder.executePendingBindings(); 49 assertEquals("true", mBinder.textView.getText().toString()); 50 assertEquals("true", mBinder.textView2.getText().toString()); 51 assertEquals(1, obja.counter); 52 assertEquals(1, objb.counter); 53 assertEquals(0, objc.counter); 54 obja = new BasicObjWithCounter(); 55 mBinder.setObja(obja); 56 mBinder.executePendingBindings(); 57 assertEquals("true", mBinder.textView.getText().toString()); 58 assertEquals("true", mBinder.textView2.getText().toString()); 59 assertEquals(1, obja.counter); 60 assertEquals(1, objb.counter); 61 assertEquals(0, objc.counter); 62 } 63 64 private static class BasicObjWithCounter extends BasicObject { 65 int counter = 0; 66 67 @Override 68 public String boolMethod(boolean value) { 69 counter ++; 70 return super.boolMethod(value); 71 } 72 } 73 74 } 75
