| /* |
| * Copyright (C) 2008 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.cts; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import android.text.Layout; |
| import android.text.Selection; |
| import android.text.SpanWatcher; |
| import android.text.Spannable; |
| import android.text.SpannableStringBuilder; |
| import android.text.StaticLayout; |
| import android.text.TextPaint; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.concurrent.CountDownLatch; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class SelectionTest { |
| @Test |
| public void testGetSelectionStart() { |
| CharSequence text = "hello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| |
| Selection.setSelection(builder, 3, 8); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| |
| Selection.setSelection(builder, 3, 9); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| |
| Selection.setSelection(builder, 5, 7); |
| assertEquals(5, Selection.getSelectionStart(builder)); |
| |
| assertEquals(-1, Selection.getSelectionStart(null)); |
| } |
| |
| @Test |
| public void testGetSelectionEnd() { |
| CharSequence text = "hello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 0, 10); |
| assertEquals(10, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 8); |
| assertEquals(8, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 2, 8); |
| assertEquals(8, Selection.getSelectionEnd(builder)); |
| |
| assertEquals(-1, Selection.getSelectionStart(null)); |
| } |
| |
| @Test |
| public void testSetSelection1() { |
| CharSequence text = "hello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 3, 6); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 3, 7); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(7, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 3, 7); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(7, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 6, 2); |
| assertEquals(6, Selection.getSelectionStart(builder)); |
| assertEquals(2, Selection.getSelectionEnd(builder)); |
| |
| try { |
| Selection.setSelection(builder, -1, 100); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| } |
| } |
| |
| @Test |
| public void testSetSelection2() { |
| SpannableStringBuilder builder = new SpannableStringBuilder("hello, world"); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 4); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(4, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 3); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(3, Selection.getSelectionEnd(builder)); |
| |
| try { |
| Selection.setSelection(builder, -1); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| } |
| |
| try { |
| Selection.setSelection(builder, 100); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| } |
| } |
| |
| @Test |
| public void testRemoveSelection() { |
| CharSequence text = "hello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.removeSelection(builder); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 6); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| Selection.removeSelection(builder); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testSelectAll() { |
| CharSequence text = "hello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder));; |
| |
| Selection.selectAll(builder); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 4, 5); |
| Selection.selectAll(builder); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 8, 4); |
| Selection.selectAll(builder); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| |
| SpannableStringBuilder empty = new SpannableStringBuilder(); |
| Selection.selectAll(empty); |
| assertEquals(0, Selection.getSelectionStart(empty)); |
| assertEquals(0, Selection.getSelectionEnd(empty)); |
| } |
| |
| @Test |
| public void testMoveLeft() { |
| CharSequence text = "hello\nworld"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 50, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 6, 8); |
| assertTrue(Selection.moveLeft(builder, layout)); |
| assertEquals(6, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.moveLeft(builder, layout)); |
| assertEquals(5, Selection.getSelectionStart(builder)); |
| assertEquals(5, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 0, 0); |
| assertFalse(Selection.moveLeft(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| Selection.selectAll(builder); |
| assertTrue(Selection.moveLeft(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMoveRight() { |
| CharSequence text = "hello\nworld"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder,1, 5); |
| assertTrue(Selection.moveRight(builder, layout)); |
| assertEquals(5, Selection.getSelectionStart(builder)); |
| assertEquals(5, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.moveRight(builder, layout)); |
| assertEquals(6, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.moveRight(builder, layout)); |
| assertEquals(7, Selection.getSelectionStart(builder)); |
| assertEquals(7, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, text.length(), text.length()); |
| assertFalse(Selection.moveRight(builder, layout)); |
| assertEquals(text.length(), Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| |
| Selection.selectAll(builder); |
| assertTrue(Selection.moveRight(builder, layout)); |
| assertEquals(text.length(), Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMoveUp() { |
| CharSequence text = "Google\nhello,world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.moveUp(builder, layout); |
| |
| Selection.setSelection(builder, 7, 10); |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(7, Selection.getSelectionStart(builder)); |
| assertEquals(7, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 0, text.length()); |
| assertFalse(Selection.moveUp(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 14); |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(4, Selection.getSelectionStart(builder)); |
| assertEquals(4, Selection.getSelectionEnd(builder)); |
| |
| // move to beginning of first line (behavior changed in L) |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| assertFalse(Selection.moveUp(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 5); |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMoveUpAfterTyping() { |
| CharSequence text = "aaa\nmm"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(builder, new TextPaint(), 200, |
| Layout.Alignment.ALIGN_NORMAL, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 1); |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(5, Selection.getSelectionStart(builder)); |
| assertEquals(5, Selection.getSelectionEnd(builder)); |
| |
| builder.insert(5, "mm"); |
| layout = new StaticLayout(builder, new TextPaint(), 200, Layout.Alignment.ALIGN_NORMAL, |
| 0, 0, false); |
| assertEquals(7, Selection.getSelectionStart(builder)); |
| assertEquals(7, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(3, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMoveUpKeepsOriginalMemoryPosition() { |
| CharSequence text = "aa\nm"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(builder, new TextPaint(), 200, |
| Layout.Alignment.ALIGN_NORMAL, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| Selection.setSelection(builder, 1, 1); |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(4, Selection.getSelectionStart(builder)); |
| assertEquals(4, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| } |
| |
| @Test |
| public void testMoveDown() { |
| CharSequence text = "hello,world\nGoogle"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 3); |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(3, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 0, text.length()); |
| assertFalse(Selection.moveDown(builder, layout)); |
| assertEquals(text.length(), Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 5); |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(14, Selection.getSelectionStart(builder)); |
| assertEquals(14, Selection.getSelectionEnd(builder)); |
| |
| // move to end of last line (behavior changed in L) |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(18, Selection.getSelectionStart(builder)); |
| assertEquals(18, Selection.getSelectionEnd(builder)); |
| |
| assertFalse(Selection.moveDown(builder, layout)); |
| assertEquals(18, Selection.getSelectionStart(builder)); |
| assertEquals(18, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 10); |
| Selection.moveDown(builder, layout); |
| assertEquals(18, Selection.getSelectionStart(builder)); |
| assertEquals(18, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMoveDownAfterTyping() { |
| CharSequence text = "mm\naaa"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(builder, new TextPaint(), 200, |
| Layout.Alignment.ALIGN_NORMAL, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 4, 4); |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| |
| builder.insert(1, "mm"); |
| layout = new StaticLayout(builder, new TextPaint(), 200, Layout.Alignment.ALIGN_NORMAL, |
| 0, 0, false); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(3, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(8, Selection.getSelectionStart(builder)); |
| assertEquals(8, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMoveDownKeepsOriginalMemoryPosition() { |
| CharSequence text = "m\naa"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(builder, new TextPaint(), 200, |
| Layout.Alignment.ALIGN_NORMAL, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| Selection.setSelection(builder, 3, 3); |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(3, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| } |
| |
| @Test |
| public void testMemoryPositionResetByHorizontalMovement() { |
| CharSequence text = "m\naa"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(builder, new TextPaint(), 200, |
| Layout.Alignment.ALIGN_NORMAL, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| Selection.setSelection(builder, 3, 3); |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(3, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.moveRight(builder, layout)); |
| assertEquals(4, Selection.getSelectionStart(builder)); |
| assertEquals(4, Selection.getSelectionEnd(builder)); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(4, Selection.getSelectionStart(builder)); |
| assertEquals(4, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.moveLeft(builder, layout)); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(3, Selection.getSelectionEnd(builder)); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| Selection.setSelection(builder, 3, 3); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| } |
| |
| @Test |
| public void testMemoryPositionResetByRemoveSelection() { |
| CharSequence text = "m\naa"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(builder, new TextPaint(), 200, |
| Layout.Alignment.ALIGN_NORMAL, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| Selection.setSelection(builder, 3, 3); |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| Selection.removeSelection(builder); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| } |
| |
| @Test |
| public void testMultilineLengthMoveDown() { |
| CharSequence text = "a\n\na"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1); |
| // Move down to empty line |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(2, Selection.getSelectionStart(builder)); |
| assertEquals(2, Selection.getSelectionEnd(builder)); |
| |
| // Move down to third line |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(4, Selection.getSelectionStart(builder)); |
| assertEquals(4, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMultilineLengthExtendDown() { |
| CharSequence text = "Google\n\nhello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 3); |
| assertTrue(Selection.extendDown(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(7, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendDown(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(15, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendDown(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testExtendDownKeepsOriginalMemoryPosition() { |
| CharSequence text = "m\naa"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(builder, new TextPaint(), 200, |
| Layout.Alignment.ALIGN_NORMAL, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| Selection.setSelection(builder, 3, 3); |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.extendDown(builder, layout)); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(3, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| } |
| |
| @Test |
| public void testMultilineLengthMoveUp() { |
| CharSequence text = "a\n\na"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 4); |
| // Move up to empty line |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(2, Selection.getSelectionStart(builder)); |
| assertEquals(2, Selection.getSelectionEnd(builder)); |
| |
| // Move up to first line |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMultilineLengthExtendUp() { |
| CharSequence text = "Google\n\nhello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 9, 16); |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(9, Selection.getSelectionStart(builder)); |
| assertEquals(7, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(9, Selection.getSelectionStart(builder)); |
| assertEquals(4, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(9, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testExtendUpKeepsOriginalMemoryPosition() { |
| CharSequence text = "aa\nm"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(builder, new TextPaint(), 200, |
| Layout.Alignment.ALIGN_NORMAL, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| assertEquals(0, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| Selection.setSelection(builder, 1, 1); |
| assertTrue(Selection.extendDown(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(4, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| assertEquals(1, |
| builder.getSpans(0, builder.length(), Selection.MemoryTextWatcher.class).length); |
| } |
| |
| @Test |
| public void testMultilineLengthMoveDownAfterSelection() { |
| CharSequence text = "aaaaa\n\naaaaa"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 3); |
| // Move down to empty line |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(6, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| // Move down to third line |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(3, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 5); |
| // Move down to empty line |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(6, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| // Move down to third line |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(5, Selection.getSelectionStart(builder)); |
| assertEquals(5, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMultilineLengthMoveUpAfterSelection() { |
| CharSequence text = "aaaaa\n\naaaaa"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 10); |
| // Move up to empty line |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(6, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| // Move down to third line |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(10, Selection.getSelectionStart(builder)); |
| assertEquals(10, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 12); |
| // Move up to empty line |
| assertTrue(Selection.moveUp(builder, layout)); |
| assertEquals(6, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| // Move down to third line |
| assertTrue(Selection.moveDown(builder, layout)); |
| assertEquals(12, Selection.getSelectionStart(builder)); |
| assertEquals(12, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testExtendSelection() { |
| CharSequence text = "hello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 3, 6); |
| Selection.extendSelection(builder, 6); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 3, 6); |
| Selection.extendSelection(builder, 8); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(8, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 3, 6); |
| Selection.extendSelection(builder, 1); |
| assertEquals(3, Selection.getSelectionStart(builder)); |
| assertEquals(1, Selection.getSelectionEnd(builder)); |
| |
| try { |
| Selection.extendSelection(builder, -1); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| } |
| |
| try { |
| Selection.extendSelection(builder, 100); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| } |
| |
| try { |
| Selection.extendSelection(null, 3); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| } |
| |
| try { |
| Selection.extendSelection(new SpannableStringBuilder(), 3); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| } |
| } |
| |
| @Test |
| public void testExtendLeft() { |
| CharSequence text = "Google\nhello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 7, 8); |
| assertTrue(Selection.extendLeft(builder, layout)); |
| assertEquals(7, Selection.getSelectionStart(builder)); |
| assertEquals(7, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendLeft(builder, layout)); |
| assertEquals(7, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 0, 1); |
| assertTrue(Selection.extendLeft(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendLeft(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testExtendRight() { |
| CharSequence text = "Google\nhello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 6); |
| assertTrue(Selection.extendRight(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(7, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendRight(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(8, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 12, text.length()); |
| assertTrue(Selection.extendRight(builder, layout)); |
| assertEquals(12, Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testExtendUp() { |
| CharSequence text = "Google\nhello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 8, 15); |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(8, Selection.getSelectionStart(builder)); |
| assertEquals(4, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(8, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(8, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| builder = new SpannableStringBuilder(); |
| assertTrue(Selection.extendUp(builder, layout)); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testExtendDown() { |
| CharSequence text = "Google\nhello, world"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 3); |
| assertTrue(Selection.extendDown(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(14, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendDown(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendDown(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testExtendToLeftEdge() { |
| CharSequence text = "hello\nworld"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 50, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendToLeftEdge(builder, layout)); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 4, 9); |
| assertTrue(Selection.extendToLeftEdge(builder, layout)); |
| assertEquals(4, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 5); |
| assertTrue(Selection.extendToLeftEdge(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 2, 2); |
| assertTrue(Selection.extendToLeftEdge(builder, layout)); |
| assertEquals(2, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| builder = new SpannableStringBuilder(); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendToLeftEdge(builder, layout)); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testExtendToRightEdge() { |
| CharSequence text = "hello\nworld"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 50, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendToRightEdge(builder, layout)); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(5, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 3); |
| assertTrue(Selection.extendToRightEdge(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(5, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 7); |
| assertTrue(Selection.extendToRightEdge(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.extendToRightEdge(builder, layout)); |
| assertEquals(1, Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMoveToLeftEdge() { |
| CharSequence text = "hello\nworld"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0, false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.moveToLeftEdge(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 10); |
| assertTrue(Selection.moveToLeftEdge(builder, layout)); |
| assertEquals(6, Selection.getSelectionStart(builder)); |
| assertEquals(6, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 3); |
| assertTrue(Selection.moveToLeftEdge(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.moveToLeftEdge(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| |
| builder = new SpannableStringBuilder(); |
| assertTrue(Selection.moveToLeftEdge(builder, layout)); |
| assertEquals(0, Selection.getSelectionStart(builder)); |
| assertEquals(0, Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testMoveToRightEdge() { |
| CharSequence text = "hello\nworld"; |
| SpannableStringBuilder builder = new SpannableStringBuilder(text); |
| StaticLayout layout = new StaticLayout(text, new TextPaint(), 200, null, 0, 0,false); |
| assertEquals(-1, Selection.getSelectionStart(builder)); |
| assertEquals(-1, Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.moveToRightEdge(builder, layout)); |
| assertEquals(5, Selection.getSelectionStart(builder)); |
| assertEquals(5, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 2); |
| assertTrue(Selection.moveToRightEdge(builder, layout)); |
| assertEquals(5, Selection.getSelectionStart(builder)); |
| assertEquals(5, Selection.getSelectionEnd(builder)); |
| |
| Selection.setSelection(builder, 1, 7); |
| assertTrue(Selection.moveToRightEdge(builder, layout)); |
| assertEquals(text.length(), Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| |
| assertTrue(Selection.moveToRightEdge(builder, layout)); |
| assertEquals(text.length(), Selection.getSelectionStart(builder)); |
| assertEquals(text.length(), Selection.getSelectionEnd(builder)); |
| } |
| |
| @Test |
| public void testRemoveSelectionOnlyTriggersOneSpanRemoved() { |
| Spannable spannable = new SpannableStringBuilder("abcdef"); |
| Selection.setSelection(spannable, 0, 2); |
| |
| final CountDownLatch latch = new CountDownLatch(1); |
| SpanWatcher watcher = new SpanWatcher() { |
| @Override |
| public void onSpanAdded(Spannable text, Object what, int start, int end) {} |
| |
| @Override |
| public void onSpanRemoved(Spannable text, Object what, int start, int end) { |
| latch.countDown(); |
| } |
| |
| @Override |
| public void onSpanChanged(Spannable text, Object what, int ostart, int oend, int nstart, |
| int nend) {} |
| }; |
| spannable.setSpan(watcher, 0, 2, 0); |
| |
| Selection.removeSelection(spannable); |
| assertEquals(0, latch.getCount()); |
| } |
| } |
