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 17package android.text.style.cts; 18 19 20import android.text.TextPaint; 21import android.text.style.CharacterStyle; 22import android.text.style.MetricAffectingSpan; 23import android.text.style.SuperscriptSpan; 24 25import junit.framework.TestCase; 26 27public class CharacterStyleTest extends TestCase { 28 public void testWrap() { 29 // use a MetricAffectingSpan 30 MetricAffectingSpan metricAffectingSpan = new SuperscriptSpan(); 31 32 CharacterStyle result = CharacterStyle.wrap(metricAffectingSpan); 33 assertNotNull(result); 34 assertSame(metricAffectingSpan, result.getUnderlying()); 35 assertNotSame(metricAffectingSpan, result); 36 37 // use a no-MetricAffectingSpan 38 CharacterStyle characterStyle = new MyCharacterStyle(); 39 result = CharacterStyle.wrap(characterStyle); 40 assertNotNull(result); 41 assertTrue(result instanceof CharacterStyle); 42 assertSame(characterStyle, result.getUnderlying()); 43 assertNotSame(characterStyle, result); 44 45 result = CharacterStyle.wrap((MetricAffectingSpan) null); 46 assertNotNull(result); 47 assertTrue(result instanceof CharacterStyle); 48 49 result = CharacterStyle.wrap((CharacterStyle) null); 50 assertNotNull(result); 51 assertTrue(result instanceof CharacterStyle); 52 } 53 54 public void testGetUnderlying() { 55 CharacterStyle expected = new MyCharacterStyle(); 56 assertSame(expected, expected.getUnderlying()); 57 58 MetricAffectingSpan metricAffectingSpan = new SuperscriptSpan(); 59 CharacterStyle result = CharacterStyle.wrap(metricAffectingSpan); 60 assertNotNull(result); 61 assertTrue(result instanceof MetricAffectingSpan); 62 assertSame(metricAffectingSpan, result.getUnderlying()); 63 } 64 65 /** 66 * MyCharacterStyle for test. 67 */ 68 private class MyCharacterStyle extends CharacterStyle { 69 @Override 70 public void updateDrawState(TextPaint tp) { 71 // implement abstract method. 72 } 73 } 74} 75