| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.widget; |
| |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.text.SpannedString; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.MediumTest; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @RunWith(AndroidJUnit4.class) |
| public class TextViewPerformanceTest { |
| |
| private String mString = "The quick brown fox"; |
| private Canvas mCanvas; |
| private PerformanceTextView mTextView; |
| private Paint mPaint; |
| private PerformanceLabelView mLabelView; |
| |
| @Before |
| public void setUp() { |
| Bitmap mBitmap = Bitmap.createBitmap(320, 240, Bitmap.Config.RGB_565); |
| mCanvas = new Canvas(mBitmap); |
| |
| ViewGroup.LayoutParams p = new ViewGroup.LayoutParams(320, 240); |
| |
| final Context context = InstrumentationRegistry.getContext(); |
| |
| mLabelView = new PerformanceLabelView(context); |
| mLabelView.setText(mString); |
| mLabelView.measure(View.MeasureSpec.AT_MOST | 320, View.MeasureSpec.AT_MOST | 240); |
| mLabelView.mySetFrame(320, 240); |
| mLabelView.setLayoutParams(p); |
| mLabelView.myDraw(mCanvas); |
| |
| mPaint = new Paint(); |
| mCanvas.save(); |
| mTextView = new PerformanceTextView(context); |
| mTextView.setLayoutParams(p); |
| mTextView.setText(mString); |
| mTextView.mySetFrame(320, 240); |
| mTextView.measure(View.MeasureSpec.AT_MOST | 320, View.MeasureSpec.AT_MOST | 240); |
| } |
| |
| @MediumTest |
| @Test |
| public void testDrawTextViewLine() { |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| } |
| |
| @SmallTest |
| @Test |
| public void testSpan() { |
| CharSequence charSeq = new SpannedString(mString); |
| mTextView.setText(charSeq); |
| |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| mTextView.myDraw(mCanvas); |
| } |
| |
| @SmallTest |
| @Test |
| public void testCanvasDrawText() { |
| mCanvas.drawText(mString, 30, 30, mPaint); |
| } |
| |
| @SmallTest |
| @Test |
| public void testLabelViewDraw() { |
| mLabelView.myDraw(mCanvas); |
| } |
| |
| private class PerformanceTextView extends TextView { |
| public PerformanceTextView(Context context) { |
| super(context); |
| } |
| |
| final void myDraw(Canvas c) { |
| super.onDraw(c); |
| } |
| |
| final void mySetFrame(int w, int h) { |
| super.setFrame(0, 0, w, h); |
| } |
| } |
| |
| private class PerformanceLabelView extends LabelView { |
| public PerformanceLabelView(Context context) { |
| super(context); |
| } |
| |
| final void myDraw(Canvas c) { |
| super.onDraw(c); |
| } |
| |
| final void mySetFrame(int w, int h) { |
| super.setFrame(0, 0, w, h); |
| } |
| } |
| } |