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      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.ViewDataBinding;
     19 import android.databinding.testapp.vo.BindingAdapterBindingObject;
     20 
     21 import java.lang.reflect.InvocationTargetException;
     22 import java.lang.reflect.Method;
     23 
     24 public class BindingAdapterTestBase<T extends ViewDataBinding, V extends BindingAdapterBindingObject>
     25         extends BaseDataBinderTest<T> {
     26     private Class<V> mBindingObjectClass;
     27 
     28     protected V mBindingObject;
     29 
     30     private Method mSetMethod;
     31 
     32     public BindingAdapterTestBase(Class<T> binderClass, Class<V> observableClass, int layoutId) {
     33         super(binderClass);
     34         mBindingObjectClass = observableClass;
     35         try {
     36             mSetMethod = binderClass.getDeclaredMethod("setObj", observableClass);
     37         } catch (NoSuchMethodException e) {
     38             throw new RuntimeException(e);
     39         }
     40     }
     41 
     42     @Override
     43     protected void setUp() throws Exception {
     44         super.setUp();
     45         initBinder(new Runnable() {
     46             @Override
     47             public void run() {
     48                 try {
     49                     mBindingObject = mBindingObjectClass.newInstance();
     50                     mSetMethod.invoke(getBinder(), mBindingObject);
     51                     getBinder().executePendingBindings();
     52                 } catch (IllegalAccessException e) {
     53                     throw new RuntimeException(e);
     54                 } catch (InvocationTargetException e) {
     55                     throw new RuntimeException(e);
     56                 } catch (InstantiationException e) {
     57                     throw new RuntimeException(e);
     58                 }
     59 
     60             }
     61         });
     62     }
     63 
     64     protected void changeValues() throws Throwable {
     65         runTestOnUiThread(new Runnable() {
     66             @Override
     67             public void run() {
     68                 mBindingObject.changeValues();
     69                 getBinder().executePendingBindings();
     70             }
     71         });
     72     }
     73 }
     74