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      1 /*
      2  * Copyright (C) 2017 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 androidx.emoji.widget;
     18 
     19 import static org.junit.Assert.assertNull;
     20 import static org.junit.Assert.assertSame;
     21 import static org.mockito.Mockito.mock;
     22 
     23 import android.support.test.InstrumentationRegistry;
     24 import android.support.test.filters.SdkSuppress;
     25 import android.support.test.filters.SmallTest;
     26 import android.support.test.runner.AndroidJUnit4;
     27 import android.text.InputFilter;
     28 import android.text.method.TransformationMethod;
     29 import android.widget.TextView;
     30 
     31 import org.junit.Before;
     32 import org.junit.Test;
     33 import org.junit.runner.RunWith;
     34 
     35 @SmallTest
     36 @RunWith(AndroidJUnit4.class)
     37 @SdkSuppress(maxSdkVersion = 18)
     38 public class EmojiTextViewHelperPre19Test {
     39     EmojiTextViewHelper mTextViewHelper;
     40     TextView mTextView;
     41 
     42     @Before
     43     public void setup() {
     44         mTextView = new TextView(InstrumentationRegistry.getTargetContext());
     45         mTextViewHelper = new EmojiTextViewHelper(mTextView);
     46     }
     47 
     48     @Test
     49     public void testUpdateTransformationMethod_doesNotUpdateTransformationMethod() {
     50         final TransformationMethod tm = mock(TransformationMethod.class);
     51         mTextView.setTransformationMethod(tm);
     52 
     53         mTextViewHelper.updateTransformationMethod();
     54 
     55         assertSame(tm, mTextView.getTransformationMethod());
     56     }
     57 
     58     @Test
     59     public void testGetFilters_returnsSameFilters() {
     60         final InputFilter existingFilter = mock(InputFilter.class);
     61         final InputFilter[] filters = new InputFilter[]{existingFilter};
     62 
     63         final InputFilter[] newFilters = mTextViewHelper.getFilters(filters);
     64 
     65         assertSame(filters, newFilters);
     66     }
     67 
     68     @Test
     69     public void testGetTransformationMethod_returnSameTransformationMethod() {
     70         assertNull(mTextViewHelper.wrapTransformationMethod(null));
     71 
     72         final TransformationMethod tm = mock(TransformationMethod.class);
     73         assertSame(tm, mTextViewHelper.wrapTransformationMethod(tm));
     74     }
     75 
     76     @Test
     77     public void testSetAllCaps_doesNotUpdateTransformationMethod() {
     78         final TransformationMethod tm = mock(TransformationMethod.class);
     79         mTextView.setTransformationMethod(tm);
     80         mTextViewHelper.setAllCaps(true);
     81         assertSame(tm, mTextView.getTransformationMethod());
     82 
     83         mTextViewHelper.setAllCaps(false);
     84         assertSame(tm, mTextView.getTransformationMethod());
     85     }
     86 }
     87