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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 package org.chromium.content.browser.input; |
| 6 |
| 7 import static org.junit.Assert.assertEquals; |
| 8 |
| 9 import org.chromium.base.test.util.Feature; |
| 10 import org.junit.Test; |
| 11 import org.junit.runner.RunWith; |
| 12 import org.junit.runners.BlockJUnit4ClassRunner; |
| 13 |
| 14 /** |
| 15 * Unit tests for {@TextInputState}. |
| 16 */ |
| 17 @RunWith(BlockJUnit4ClassRunner.class) |
| 18 public class TextInputStateTest { |
| 19 @Test |
| 20 @Feature({"TextInput"}) |
| 21 public void testEmptySelection() { |
| 22 TextInputState state = |
| 23 new TextInputState("hello", new Range(3, 3), new Range(-1, -1),
false, true); |
| 24 assertEquals("lo", state.getTextAfterSelection(3)); |
| 25 assertEquals("lo", state.getTextAfterSelection(2)); |
| 26 assertEquals("", state.getTextAfterSelection(0)); |
| 27 assertEquals("hel", state.getTextBeforeSelection(3)); |
| 28 assertEquals("el", state.getTextBeforeSelection(2)); |
| 29 assertEquals("", state.getTextBeforeSelection(0)); |
| 30 assertEquals("", state.getSelectedText()); |
| 31 } |
| 32 |
| 33 @Test |
| 34 @Feature({"TextInput"}) |
| 35 public void testNonEmptySelection() { |
| 36 TextInputState state = |
| 37 new TextInputState("hello", new Range(3, 4), new Range(3, 4), fa
lse, true); |
| 38 assertEquals("hel", state.getTextBeforeSelection(4)); |
| 39 assertEquals("hel", state.getTextBeforeSelection(3)); |
| 40 assertEquals("", state.getTextBeforeSelection(0)); |
| 41 assertEquals("o", state.getTextAfterSelection(2)); |
| 42 assertEquals("o", state.getTextAfterSelection(1)); |
| 43 assertEquals("", state.getTextAfterSelection(0)); |
| 44 assertEquals("l", state.getSelectedText()); |
| 45 } |
| 46 } |
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