| /* |
| * Copyright (C) 2016 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.app.Activity; |
| import android.os.Bundle; |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.perftests.utils.StubActivity; |
| import android.text.Selection; |
| import android.view.KeyEvent; |
| import android.view.View.MeasureSpec; |
| import android.view.ViewGroup; |
| |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.LargeTest; |
| import android.support.test.rule.ActivityTestRule; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Locale; |
| |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.junit.runners.Parameterized; |
| |
| @LargeTest |
| @RunWith(Parameterized.class) |
| public class EditTextBackspacePerfTest { |
| |
| private static final String BOY = "\uD83D\uDC66"; // U+1F466 |
| private static final String US_FLAG = "\uD83C\uDDFA\uD83C\uDDF8"; // U+1F1FA U+1F1F8 |
| private static final String FAMILY = |
| // U+1F469 U+200D U+1F469 U+200D U+1F467 U+200D U+1F467 |
| "\uD83D\uDC69\u200D\uD83D\uDC69\u200D\uD83D\uDC67\u200D\uD83D\uDC67"; |
| private static final String EMOJI_MODIFIER = "\uD83C\uDFFD"; // U+1F3FD |
| private static final String KEYCAP = "\u20E3"; |
| private static final String COLOR_COPYRIGHT = "\u00A9\uFE0F"; |
| |
| @Parameters(name = "{0}") |
| public static Collection cases() { |
| return Arrays.asList(new Object[][] { |
| { "Latin", "aaa", 1 }, |
| { "Flags", US_FLAG + US_FLAG + US_FLAG, 4 }, |
| { "EmojiModifier", |
| BOY + EMOJI_MODIFIER + BOY + EMOJI_MODIFIER + BOY + EMOJI_MODIFIER, 4 }, |
| { "KeyCap", "1" + KEYCAP + "1" + KEYCAP + "1" + KEYCAP, 2 }, |
| { "ZwjSequence", FAMILY + FAMILY + FAMILY, 11 }, |
| { "VariationSelector", COLOR_COPYRIGHT + COLOR_COPYRIGHT + COLOR_COPYRIGHT, 2 }, |
| }); |
| } |
| |
| private final String mMetricKey; |
| private final String mText; |
| private final int mCursorPos; |
| |
| private static final KeyEvent BACKSPACE_KEY_EVENT = |
| new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL); |
| private static final KeyEvent RIGHT_ARROW_KEY_EVENT = |
| new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DPAD_RIGHT); |
| |
| public EditTextBackspacePerfTest(String metricKey, String text, int cursorPos) { |
| mMetricKey = metricKey; |
| mText = text; |
| mCursorPos = cursorPos; |
| } |
| |
| @Rule |
| public ActivityTestRule<StubActivity> mActivityRule = new ActivityTestRule(StubActivity.class); |
| |
| @Rule |
| public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| private void prepareTextForBackspace(EditText editText) { |
| editText.setText(mText, TextView.BufferType.EDITABLE); |
| Selection.setSelection(editText.getText(), 0, 0); |
| |
| // Do layout it here since the cursor movement requires layout information but it |
| // happens asynchronously even if the view is attached to an Activity. |
| editText.setLayoutParams(new ViewGroup.LayoutParams( |
| ViewGroup.LayoutParams.WRAP_CONTENT, |
| ViewGroup.LayoutParams.WRAP_CONTENT)); |
| editText.invalidate(); |
| editText.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), |
| MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)); |
| editText.layout(0, 0, 1024, 768); |
| |
| // mText contains three grapheme clusters. Move the cursor to the 2nd grapheme |
| // cluster by forwarding right arrow key event. |
| editText.onKeyDown(RIGHT_ARROW_KEY_EVENT.getKeyCode(), RIGHT_ARROW_KEY_EVENT); |
| Assert.assertEquals(mCursorPos, Selection.getSelectionStart(editText.getText())); |
| } |
| |
| @Test |
| public void testBackspace() { |
| InstrumentationRegistry.getInstrumentation().runOnMainSync(() -> { |
| EditText editText = new EditText(mActivityRule.getActivity()); |
| |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| // Prepare the test data for this iteration with pausing timer. |
| state.pauseTiming(); |
| prepareTextForBackspace(editText); |
| state.resumeTiming(); |
| |
| editText.onKeyDown(BACKSPACE_KEY_EVENT.getKeyCode(), BACKSPACE_KEY_EVENT); |
| } |
| }); |
| } |
| } |