Home | History | Annotate | Download | only in cts 
      1 /*
      2  * Copyright (C) 2008 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 android.text.style.cts;
     18 
     19 import static org.junit.Assert.assertNotNull;
     20 import static org.junit.Assert.assertNotSame;
     21 import static org.junit.Assert.assertSame;
     22 import static org.junit.Assert.assertTrue;
     23 
     24 import android.support.test.filters.SmallTest;
     25 import android.support.test.runner.AndroidJUnit4;
     26 import android.text.TextPaint;
     27 import android.text.style.CharacterStyle;
     28 import android.text.style.MetricAffectingSpan;
     29 import android.text.style.SuperscriptSpan;
     30 
     31 import org.junit.Test;
     32 import org.junit.runner.RunWith;
     33 
     34 @SmallTest
     35 @RunWith(AndroidJUnit4.class)
     36 public class CharacterStyleTest {
     37     @Test
     38     public void testWrap() {
     39         // use a MetricAffectingSpan
     40         MetricAffectingSpan metricAffectingSpan = new SuperscriptSpan();
     41 
     42         CharacterStyle result = CharacterStyle.wrap(metricAffectingSpan);
     43         assertNotNull(result);
     44         assertSame(metricAffectingSpan, result.getUnderlying());
     45         assertNotSame(metricAffectingSpan, result);
     46 
     47         // use a no-MetricAffectingSpan
     48         CharacterStyle characterStyle = new MyCharacterStyle();
     49         result = CharacterStyle.wrap(characterStyle);
     50         assertNotNull(result);
     51         assertTrue(result instanceof CharacterStyle);
     52         assertSame(characterStyle, result.getUnderlying());
     53         assertNotSame(characterStyle, result);
     54 
     55         result = CharacterStyle.wrap((MetricAffectingSpan) null);
     56         assertNotNull(result);
     57         assertTrue(result instanceof CharacterStyle);
     58 
     59         result = CharacterStyle.wrap((CharacterStyle) null);
     60         assertNotNull(result);
     61         assertTrue(result instanceof CharacterStyle);
     62     }
     63 
     64     @Test
     65     public void testGetUnderlying() {
     66         CharacterStyle expected = new MyCharacterStyle();
     67         assertSame(expected, expected.getUnderlying());
     68 
     69         MetricAffectingSpan metricAffectingSpan = new SuperscriptSpan();
     70         CharacterStyle result = CharacterStyle.wrap(metricAffectingSpan);
     71         assertNotNull(result);
     72         assertTrue(result instanceof MetricAffectingSpan);
     73         assertSame(metricAffectingSpan, result.getUnderlying());
     74     }
     75 
     76     private class MyCharacterStyle extends CharacterStyle {
     77         @Override
     78         public void updateDrawState(TextPaint tp) {
     79         }
     80     }
     81 }
     82