1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.inputmethod.latin; 18 19 import android.test.AndroidTestCase; 20 import android.test.suitebuilder.annotation.SmallTest; 21 22 /** 23 * Unit tests for WordComposer. 24 */ 25 @SmallTest 26 public class WordComposerTests extends AndroidTestCase { 27 public void testMoveCursor() { 28 final WordComposer wc = new WordComposer(); 29 final String STR_WITHIN_BMP = "abcdef"; 30 wc.setComposingWord(STR_WITHIN_BMP, null); 31 assertEquals(wc.size(), 32 STR_WITHIN_BMP.codePointCount(0, STR_WITHIN_BMP.length())); 33 assertFalse(wc.isCursorFrontOrMiddleOfComposingWord()); 34 wc.setCursorPositionWithinWord(2); 35 assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); 36 // Move the cursor to after the 'd' 37 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(2)); 38 assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); 39 // Move the cursor to after the 'e' 40 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(1)); 41 assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); 42 assertEquals(wc.size(), 6); 43 // Move the cursor to after the 'f' 44 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(1)); 45 assertFalse(wc.isCursorFrontOrMiddleOfComposingWord()); 46 // Move the cursor past the end of the word 47 assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(1)); 48 assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(15)); 49 50 // \uD861\uDED7 is , a character outside the BMP 51 final String STR_WITH_SUPPLEMENTARY_CHAR = "abcde\uD861\uDED7fgh"; 52 wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null); 53 assertEquals(wc.size(), STR_WITH_SUPPLEMENTARY_CHAR.codePointCount(0, 54 STR_WITH_SUPPLEMENTARY_CHAR.length())); 55 assertFalse(wc.isCursorFrontOrMiddleOfComposingWord()); 56 wc.setCursorPositionWithinWord(3); 57 assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); 58 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(6)); 59 assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); 60 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(1)); 61 assertFalse(wc.isCursorFrontOrMiddleOfComposingWord()); 62 63 wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null); 64 wc.setCursorPositionWithinWord(3); 65 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(7)); 66 67 wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null); 68 wc.setCursorPositionWithinWord(3); 69 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(7)); 70 71 wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null); 72 wc.setCursorPositionWithinWord(3); 73 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(-3)); 74 assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(-1)); 75 76 wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null); 77 wc.setCursorPositionWithinWord(3); 78 assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(-9)); 79 80 wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null); 81 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(-10)); 82 83 wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null); 84 assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(-11)); 85 86 wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null); 87 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(0)); 88 89 wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null); 90 wc.setCursorPositionWithinWord(2); 91 assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(0)); 92 } 93 } 94
