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 19import com.android.cts.stub.R; 20 21 22import android.graphics.Canvas; 23import android.graphics.Rect; 24import android.graphics.Paint.FontMetricsInt; 25import android.graphics.drawable.Drawable; 26import android.test.AndroidTestCase; 27import android.text.style.DynamicDrawableSpan; 28 29public class DynamicDrawableSpanTest extends AndroidTestCase { 30 public void testConstructor() { 31 DynamicDrawableSpan d = new MyDynamicDrawableSpan(); 32 assertEquals(DynamicDrawableSpan.ALIGN_BOTTOM, d.getVerticalAlignment()); 33 34 d = new MyDynamicDrawableSpan(DynamicDrawableSpan.ALIGN_BASELINE); 35 assertEquals(DynamicDrawableSpan.ALIGN_BASELINE, d.getVerticalAlignment()); 36 37 d = new MyDynamicDrawableSpan(DynamicDrawableSpan.ALIGN_BOTTOM); 38 assertEquals(DynamicDrawableSpan.ALIGN_BOTTOM, d.getVerticalAlignment()); 39 } 40 41 public void testGetSize() { 42 DynamicDrawableSpan dynamicDrawableSpan = new MyDynamicDrawableSpan(); 43 FontMetricsInt fm = new FontMetricsInt(); 44 45 assertEquals(0, fm.ascent); 46 assertEquals(0, fm.bottom); 47 assertEquals(0, fm.descent); 48 assertEquals(0, fm.leading); 49 assertEquals(0, fm.top); 50 51 Rect rect = dynamicDrawableSpan.getDrawable().getBounds(); 52 assertEquals(rect.right, dynamicDrawableSpan.getSize(null, null, 0, 0, fm)); 53 54 assertEquals(-rect.bottom, fm.ascent); 55 assertEquals(0, fm.bottom); 56 assertEquals(0, fm.descent); 57 assertEquals(0, fm.leading); 58 assertEquals(-rect.bottom, fm.top); 59 60 assertEquals(rect.right, dynamicDrawableSpan.getSize(null, null, 0, 0, null)); 61 } 62 63 public void testDraw() { 64 DynamicDrawableSpan dynamicDrawableSpan = new MyDynamicDrawableSpan(); 65 Canvas canvas = new Canvas(); 66 dynamicDrawableSpan.draw(canvas, null, 0, 0, 1.0f, 0, 0, 1, null); 67 68 try { 69 dynamicDrawableSpan.draw(null, null, 0, 0, 1.0f, 0, 0, 1, null); 70 fail("should throw NullPointerException."); 71 } catch (NullPointerException e) { 72 // expected, test success. 73 } 74 } 75 76 /** 77 * The MyDynamicDrawableSpan for test. 78 */ 79 private class MyDynamicDrawableSpan extends DynamicDrawableSpan { 80 public MyDynamicDrawableSpan() { 81 super(); 82 } 83 84 protected MyDynamicDrawableSpan(int verticalAlignment) { 85 super(verticalAlignment); 86 } 87 88 @Override 89 public Drawable getDrawable() { 90 // implement abstract method 91 return getContext().getResources().getDrawable(R.drawable.scenery); 92 } 93 } 94} 95