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      1 /*
      2  * Copyright (C) 2016 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.documentsui.testing;
     18 
     19 import com.android.documentsui.base.ConfirmationCallback;
     20 
     21 import junit.framework.Assert;
     22 
     23 import java.util.function.Predicate;
     24 
     25 /**
     26  * Test {@link Predicate} that can be used to spy on,  control responses from,
     27  * and make assertions against values tested.
     28  */
     29 public class TestConfirmationCallback implements ConfirmationCallback {
     30 
     31     private boolean mCalled;
     32     private int mLastValue;
     33 
     34     @Override
     35     public void accept(int code) {
     36         mCalled = true;
     37         mLastValue = code;
     38     }
     39 
     40     public void assertConfirmed() {
     41         Assert.assertEquals(ConfirmationCallback.CONFIRM, mLastValue);
     42     }
     43 
     44     public void assertRejected() {
     45         Assert.assertEquals(ConfirmationCallback.REJECT, mLastValue);
     46     }
     47 
     48     public void assertCalled() {
     49         Assert.assertTrue(mCalled);
     50     }
     51 
     52     public void assertNeverCalled() {
     53         Assert.assertFalse(mCalled);
     54     }
     55 }
     56