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 17package android.widget; 18 19import java.util.Arrays; 20import java.util.Collection; 21import java.util.Locale; 22import java.util.Random; 23 24import org.junit.Rule; 25import org.junit.Test; 26import org.junit.runner.RunWith; 27import org.junit.runners.Parameterized; 28import org.junit.runners.Parameterized.Parameters; 29 30import android.app.Activity; 31import android.graphics.Bitmap; 32import android.graphics.Canvas; 33import android.util.Log; 34import android.view.KeyEvent; 35import android.view.RenderNodeAnimator; 36import android.view.ViewGroup; 37import android.view.View.MeasureSpec; 38 39import android.perftests.utils.BenchmarkState; 40import android.perftests.utils.PerfStatusReporter; 41import android.perftests.utils.StubActivity; 42import android.support.test.filters.LargeTest; 43import android.support.test.runner.AndroidJUnit4; 44import android.support.test.rule.ActivityTestRule; 45import android.support.test.InstrumentationRegistry; 46 47@LargeTest 48@RunWith(Parameterized.class) 49public class EditTextLongTextPerfTest { 50 @Parameters(name = "{0}") 51 public static Collection cases() { 52 return Arrays.asList(new Object[][] { 53 { "10x30K", 10, 30000 }, 54 { "300x1K", 300, 1000 }, 55 }); 56 } 57 58 private final String mMetricKey; 59 private final int mChars; 60 private final int mLines; 61 62 public EditTextLongTextPerfTest(String metricKey, int chars, int lines) { 63 mMetricKey = metricKey; 64 mChars = chars; 65 mLines = lines; 66 } 67 68 @Rule 69 public ActivityTestRule<StubActivity> mActivityRule = new ActivityTestRule(StubActivity.class); 70 71 @Rule 72 public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); 73 74 private EditText setupEditText() { 75 final EditText editText = new EditText(mActivityRule.getActivity()); 76 77 String alphabet = "abcdefghijklmnopqrstuvwxyz"; 78 final long seed = 1234567890; 79 Random r = new Random(seed); 80 StringBuilder sb = new StringBuilder(); 81 for (int i = 0; i < mLines; i++) { 82 for (int j = 0; j < mChars; j++) { 83 char c = alphabet.charAt(r.nextInt(alphabet.length())); 84 sb.append(c); 85 } 86 sb.append('\n'); 87 } 88 89 final int height = 1000; 90 final int width = 1000; 91 editText.setHeight(height); 92 editText.setWidth(width); 93 editText.setLayoutParams(new ViewGroup.LayoutParams(width, height)); 94 95 Activity activity = mActivityRule.getActivity(); 96 activity.setContentView(editText); 97 98 editText.setText(sb.toString(), TextView.BufferType.EDITABLE); 99 editText.invalidate(); 100 editText.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), 101 MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); 102 editText.layout(0, 0, height, width); 103 104 return editText; 105 } 106 107 @Test 108 public void testEditText() throws Throwable { 109 mActivityRule.runOnUiThread(() -> { 110 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 111 final EditText editText = setupEditText(); 112 final KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER); 113 final int steps = 100; 114 while (state.keepRunning()) { 115 for (int i = 0; i < steps; i++) { 116 int offset = (editText.getText().length() * i) / steps; 117 editText.setSelection(offset); 118 editText.bringPointIntoView(offset); 119 editText.onKeyDown(keyEvent.getKeyCode(), keyEvent); 120 editText.updateDisplayListIfDirty(); 121 } 122 } 123 }); 124 } 125} 126