--- /dev/null
+/*
+ * Copyright (C) 2018 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.text;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+
+import android.support.test.filters.LargeTest;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@LargeTest
+@RunWith(AndroidJUnit4.class)
+public class StaticLayoutGetOffsetForHorizontalPerfTest {
+ private static final int WORD_LENGTH = 9; // Random word has 9 characters.
+ private static final int WORDS_IN_LINE = 64; // Roughly, 64 words in a line.
+ private static final boolean NO_STYLE_TEXT = false;
+ private static final boolean STYLE_TEXT = true;
+
+ private static TextPaint PAINT = new TextPaint();
+ static {
+ PAINT.setTextSize(16.0f);
+ }
+ private static final int TEXT_WIDTH = WORDS_IN_LINE * WORD_LENGTH * (int) PAINT.getTextSize();
+
+ public StaticLayoutGetOffsetForHorizontalPerfTest() {}
+
+ @Rule
+ public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+ private TextPerfUtils mTextUtil = new TextPerfUtils();
+
+ @Before
+ public void setUp() {
+ mTextUtil.resetRandom(0 /* seed */);
+ }
+
+ @Test
+ public void testGetOffsetForHorizontal_LTR() {
+ final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+ while (state.keepRunning()) {
+ state.pauseTiming();
+ final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT,
+ "[a-zA-Z]");
+ StaticLayout layout =
+ StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build();
+ state.resumeTiming();
+
+ layout.getOffsetForHorizontal(0, TEXT_WIDTH / 2.0f);
+ }
+ }
+
+ @Test
+ public void testGetOffsetForHorizontal_RTL() {
+ final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+ while (state.keepRunning()) {
+ state.pauseTiming();
+ final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT,
+ "[:Arabic:]");
+ StaticLayout layout =
+ StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build();
+ state.resumeTiming();
+
+ layout.getOffsetForHorizontal(0, TEXT_WIDTH / 2.0f);
+ }
+ }
+
+ @Test
+ public void testGetOffsetForHorizontal_BiDi() {
+ final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+ while (state.keepRunning()) {
+ state.pauseTiming();
+ final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT,
+ "[[a-zA-Z][:Arabic:]]");
+ StaticLayout layout =
+ StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build();
+ state.resumeTiming();
+
+ layout.getOffsetForHorizontal(0, TEXT_WIDTH / 2.0f);
+ }
+ }
+}