1 /* 2 * Copyright (C) 2006 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.widget; 18 19 import android.content.Context; 20 import android.graphics.Bitmap; 21 import android.graphics.Canvas; 22 import android.graphics.Paint; 23 import android.support.test.InstrumentationRegistry; 24 import android.support.test.filters.MediumTest; 25 import android.support.test.filters.SmallTest; 26 import android.support.test.runner.AndroidJUnit4; 27 import android.text.SpannedString; 28 import android.view.View; 29 import android.view.ViewGroup; 30 31 import org.junit.Before; 32 import org.junit.Test; 33 import org.junit.runner.RunWith; 34 35 @RunWith(AndroidJUnit4.class) 36 public class TextViewPerformanceTest { 37 38 private String mString = "The quick brown fox"; 39 private Canvas mCanvas; 40 private PerformanceTextView mTextView; 41 private Paint mPaint; 42 private PerformanceLabelView mLabelView; 43 44 @Before 45 public void setUp() { 46 Bitmap mBitmap = Bitmap.createBitmap(320, 240, Bitmap.Config.RGB_565); 47 mCanvas = new Canvas(mBitmap); 48 49 ViewGroup.LayoutParams p = new ViewGroup.LayoutParams(320, 240); 50 51 final Context context = InstrumentationRegistry.getContext(); 52 53 mLabelView = new PerformanceLabelView(context); 54 mLabelView.setText(mString); 55 mLabelView.measure(View.MeasureSpec.AT_MOST | 320, View.MeasureSpec.AT_MOST | 240); 56 mLabelView.mySetFrame(320, 240); 57 mLabelView.setLayoutParams(p); 58 mLabelView.myDraw(mCanvas); 59 60 mPaint = new Paint(); 61 mCanvas.save(); 62 mTextView = new PerformanceTextView(context); 63 mTextView.setLayoutParams(p); 64 mTextView.setText(mString); 65 mTextView.mySetFrame(320, 240); 66 mTextView.measure(View.MeasureSpec.AT_MOST | 320, View.MeasureSpec.AT_MOST | 240); 67 } 68 69 @MediumTest 70 @Test 71 public void testDrawTextViewLine() { 72 mTextView.myDraw(mCanvas); 73 mTextView.myDraw(mCanvas); 74 mTextView.myDraw(mCanvas); 75 mTextView.myDraw(mCanvas); 76 mTextView.myDraw(mCanvas); 77 mTextView.myDraw(mCanvas); 78 mTextView.myDraw(mCanvas); 79 mTextView.myDraw(mCanvas); 80 mTextView.myDraw(mCanvas); 81 mTextView.myDraw(mCanvas); 82 } 83 84 @SmallTest 85 @Test 86 public void testSpan() { 87 CharSequence charSeq = new SpannedString(mString); 88 mTextView.setText(charSeq); 89 90 mTextView.myDraw(mCanvas); 91 mTextView.myDraw(mCanvas); 92 mTextView.myDraw(mCanvas); 93 mTextView.myDraw(mCanvas); 94 mTextView.myDraw(mCanvas); 95 mTextView.myDraw(mCanvas); 96 mTextView.myDraw(mCanvas); 97 mTextView.myDraw(mCanvas); 98 mTextView.myDraw(mCanvas); 99 mTextView.myDraw(mCanvas); 100 } 101 102 @SmallTest 103 @Test 104 public void testCanvasDrawText() { 105 mCanvas.drawText(mString, 30, 30, mPaint); 106 } 107 108 @SmallTest 109 @Test 110 public void testLabelViewDraw() { 111 mLabelView.myDraw(mCanvas); 112 } 113 114 private class PerformanceTextView extends TextView { 115 public PerformanceTextView(Context context) { 116 super(context); 117 } 118 119 final void myDraw(Canvas c) { 120 super.onDraw(c); 121 } 122 123 final void mySetFrame(int w, int h) { 124 super.setFrame(0, 0, w, h); 125 } 126 } 127 128 private class PerformanceLabelView extends LabelView { 129 public PerformanceLabelView(Context context) { 130 super(context); 131 } 132 133 final void myDraw(Canvas c) { 134 super.onDraw(c); 135 } 136 137 final void mySetFrame(int w, int h) { 138 super.setFrame(0, 0, w, h); 139 } 140 } 141 } 142