| /* |
| * Copyright (C) 2017 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 static android.view.View.MeasureSpec.AT_MOST; |
| import static android.view.View.MeasureSpec.EXACTLY; |
| import static android.view.View.MeasureSpec.UNSPECIFIED; |
| |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.graphics.Typeface; |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.LargeTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.text.SpannableStringBuilder; |
| import android.text.Spanned; |
| import android.text.style.TextAppearanceSpan; |
| import android.view.LayoutInflater; |
| |
| import com.android.perftests.core.R; |
| |
| import java.util.Random; |
| import java.util.Locale; |
| |
| import org.junit.Test; |
| import org.junit.Rule; |
| import org.junit.runner.RunWith; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| @LargeTest |
| @RunWith(AndroidJUnit4.class) |
| public class TextViewOnMeasurePerfTest { |
| private static final String MULTILINE_TEXT = |
| "Lorem ipsum dolor sit amet, \n"+ |
| "consectetur adipiscing elit, \n" + |
| "sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. \n" + |
| "Ut enim ad minim veniam, \n" + |
| "quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.\n" + |
| "Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat " + |
| "nulla pariatur.\n" + |
| "Excepteur sint occaecat cupidatat non proident, \n" + |
| "sunt in culpa qui officia deserunt mollit anim id est laborum.\n"; |
| |
| private static final int VIEW_WIDTH = 1000; |
| private static final int VIEW_HEIGHT = 1000; |
| private static final CharSequence COMPLEX_MULTILINE_TEXT; |
| static { |
| final SpannableStringBuilder ssb = new SpannableStringBuilder(); |
| |
| // To emphasize, append multiline text 10 times. |
| for (int i = 0; i < 10; ++i) { |
| ssb.append(MULTILINE_TEXT); |
| } |
| |
| final ColorStateList[] COLORS = { |
| ColorStateList.valueOf(0xFFFF0000), // RED |
| ColorStateList.valueOf(0xFF00FF00), // GREEN |
| ColorStateList.valueOf(0xFF0000FF), // BLUE |
| }; |
| |
| final int[] STYLES = { |
| Typeface.NORMAL, Typeface.BOLD, Typeface.ITALIC, Typeface.BOLD_ITALIC |
| }; |
| |
| final String[] FAMILIES = { "sans-serif", "serif", "monospace" }; |
| |
| // Append random span to text. |
| final Random random = new Random(0); |
| for (int pos = 0; pos < ssb.length();) { |
| final TextAppearanceSpan span = new TextAppearanceSpan( |
| FAMILIES[random.nextInt(FAMILIES.length)], |
| STYLES[random.nextInt(STYLES.length)], |
| 24 + random.nextInt(32), // text size. minimum 24 |
| COLORS[random.nextInt(COLORS.length)], |
| COLORS[random.nextInt(COLORS.length)]); |
| int spanLength = 1 + random.nextInt(9); // Up to 9 span length. |
| if (pos + spanLength > ssb.length()) { |
| spanLength = ssb.length() - pos; |
| } |
| ssb.setSpan(span, pos, pos + spanLength, Spanned.SPAN_INCLUSIVE_EXCLUSIVE); |
| pos += spanLength; |
| } |
| COMPLEX_MULTILINE_TEXT = ssb; |
| } |
| |
| @Rule |
| public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| @Test |
| public void testMeasure_AtMost() throws Throwable { |
| final Context context = InstrumentationRegistry.getTargetContext(); |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| |
| final TextView textView = new TextView(context); |
| textView.setText(COMPLEX_MULTILINE_TEXT); |
| |
| while (state.keepRunning()) { |
| // Changing locale to invalidate internal layout. |
| textView.setTextLocale(Locale.UK); |
| textView.setTextLocale(Locale.US); |
| |
| textView.measure(AT_MOST | VIEW_WIDTH, AT_MOST | VIEW_HEIGHT); |
| } |
| } |
| |
| @Test |
| public void testMeasure_Exactly() throws Throwable { |
| final Context context = InstrumentationRegistry.getTargetContext(); |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| |
| final TextView textView = new TextView(context); |
| textView.setText(COMPLEX_MULTILINE_TEXT); |
| |
| while (state.keepRunning()) { |
| // Changing locale to invalidate internal layout. |
| textView.setTextLocale(Locale.UK); |
| textView.setTextLocale(Locale.US); |
| |
| textView.measure(EXACTLY | VIEW_WIDTH, EXACTLY | VIEW_HEIGHT); |
| } |
| } |
| |
| @Test |
| public void testMeasure_Unspecified() throws Throwable { |
| final Context context = InstrumentationRegistry.getTargetContext(); |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| |
| final TextView textView = new TextView(context); |
| textView.setText(COMPLEX_MULTILINE_TEXT); |
| |
| while (state.keepRunning()) { |
| // Changing locale to invalidate internal layout. |
| textView.setTextLocale(Locale.UK); |
| textView.setTextLocale(Locale.US); |
| |
| textView.measure(UNSPECIFIED, UNSPECIFIED); |
| } |
| } |
| } |