1 /* 2 * Copyright (C) 2016 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.app.Activity; 20 import android.perftests.utils.BenchmarkState; 21 import android.perftests.utils.PerfStatusReporter; 22 import android.perftests.utils.PerfTestActivity; 23 import android.view.KeyEvent; 24 import android.view.View.MeasureSpec; 25 import android.view.ViewGroup; 26 27 import androidx.test.filters.LargeTest; 28 import androidx.test.rule.ActivityTestRule; 29 30 import org.junit.Rule; 31 import org.junit.Test; 32 import org.junit.runner.RunWith; 33 import org.junit.runners.Parameterized; 34 import org.junit.runners.Parameterized.Parameters; 35 36 import java.util.Arrays; 37 import java.util.Collection; 38 import java.util.Random; 39 40 @LargeTest 41 @RunWith(Parameterized.class) 42 public class EditTextLongTextPerfTest { 43 @Parameters(name = "{0}") cases()44 public static Collection cases() { 45 return Arrays.asList(new Object[][] { 46 { "10x3K", 10, 3000 }, 47 { "30x1K", 30, 1000 }, 48 }); 49 } 50 51 private final String mMetricKey; 52 private final int mChars; 53 private final int mLines; 54 EditTextLongTextPerfTest(String metricKey, int chars, int lines)55 public EditTextLongTextPerfTest(String metricKey, int chars, int lines) { 56 mMetricKey = metricKey; 57 mChars = chars; 58 mLines = lines; 59 } 60 61 @Rule 62 public ActivityTestRule<PerfTestActivity> mActivityRule = 63 new ActivityTestRule<>(PerfTestActivity.class); 64 65 @Rule 66 public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); 67 setupEditText()68 private EditText setupEditText() { 69 final EditText editText = new EditText(mActivityRule.getActivity()); 70 71 String alphabet = "abcdefghijklmnopqrstuvwxyz"; 72 final long seed = 1234567890; 73 Random r = new Random(seed); 74 StringBuilder sb = new StringBuilder(); 75 for (int i = 0; i < mLines; i++) { 76 for (int j = 0; j < mChars; j++) { 77 char c = alphabet.charAt(r.nextInt(alphabet.length())); 78 sb.append(c); 79 } 80 sb.append('\n'); 81 } 82 83 final int height = 1000; 84 final int width = 1000; 85 editText.setHeight(height); 86 editText.setWidth(width); 87 editText.setLayoutParams(new ViewGroup.LayoutParams(width, height)); 88 89 Activity activity = mActivityRule.getActivity(); 90 activity.setContentView(editText); 91 92 editText.setText(sb.toString(), TextView.BufferType.EDITABLE); 93 editText.invalidate(); 94 editText.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), 95 MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); 96 editText.layout(0, 0, height, width); 97 98 return editText; 99 } 100 101 @Test testEditText()102 public void testEditText() throws Throwable { 103 mActivityRule.runOnUiThread(() -> { 104 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 105 final EditText editText = setupEditText(); 106 final KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER); 107 final int steps = 100; 108 while (state.keepRunning()) { 109 for (int i = 0; i < steps; i++) { 110 int offset = (editText.getText().length() * i) / steps; 111 editText.setSelection(offset); 112 editText.bringPointIntoView(offset); 113 editText.onKeyDown(keyEvent.getKeyCode(), keyEvent); 114 editText.updateDisplayListIfDirty(); 115 } 116 } 117 }); 118 } 119 } 120