f0af452ce2
This is much better interface-wise. It eliminates all blinking of the line in the practice. Bug: 8874148 Bug: 8864306 Change-Id: I87754e44784327c2e9c8b162d598d145e20668e8
93 lines
4.2 KiB
Java
93 lines
4.2 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin;
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import android.test.AndroidTestCase;
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import android.test.suitebuilder.annotation.SmallTest;
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/**
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* Unit tests for WordComposer.
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*/
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@SmallTest
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public class WordComposerTests extends AndroidTestCase {
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public void testMoveCursor() {
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final WordComposer wc = new WordComposer();
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final String STR_WITHIN_BMP = "abcdef";
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wc.setComposingWord(STR_WITHIN_BMP, null);
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assertEquals(wc.size(),
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STR_WITHIN_BMP.codePointCount(0, STR_WITHIN_BMP.length()));
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assertFalse(wc.isCursorFrontOrMiddleOfComposingWord());
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wc.setCursorPositionWithinWord(2);
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assertTrue(wc.isCursorFrontOrMiddleOfComposingWord());
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// Move the cursor to after the 'd'
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(2));
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assertTrue(wc.isCursorFrontOrMiddleOfComposingWord());
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// Move the cursor to after the 'e'
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(1));
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assertTrue(wc.isCursorFrontOrMiddleOfComposingWord());
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assertEquals(wc.size(), 6);
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// Move the cursor to after the 'f'
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(1));
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assertFalse(wc.isCursorFrontOrMiddleOfComposingWord());
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// Move the cursor past the end of the word
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assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(1));
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assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(15));
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// \uD861\uDED7 is 𨛗, a character outside the BMP
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final String STR_WITH_SUPPLEMENTARY_CHAR = "abcde\uD861\uDED7fgh";
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wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null);
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assertEquals(wc.size(), STR_WITH_SUPPLEMENTARY_CHAR.codePointCount(0,
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STR_WITH_SUPPLEMENTARY_CHAR.length()));
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assertFalse(wc.isCursorFrontOrMiddleOfComposingWord());
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wc.setCursorPositionWithinWord(3);
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assertTrue(wc.isCursorFrontOrMiddleOfComposingWord());
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(6));
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assertTrue(wc.isCursorFrontOrMiddleOfComposingWord());
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(1));
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assertFalse(wc.isCursorFrontOrMiddleOfComposingWord());
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wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null);
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wc.setCursorPositionWithinWord(3);
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(7));
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wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null);
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wc.setCursorPositionWithinWord(3);
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(7));
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wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null);
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wc.setCursorPositionWithinWord(3);
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(-3));
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assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(-1));
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wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null);
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wc.setCursorPositionWithinWord(3);
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assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(-9));
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wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null);
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(-10));
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wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null);
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assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(-11));
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wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null);
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(0));
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wc.setComposingWord(STR_WITH_SUPPLEMENTARY_CHAR, null);
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wc.setCursorPositionWithinWord(2);
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assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(0));
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}
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}
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