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Diffstat (limited to 'tests/src/org/kelar/inputmethod/latin/WordComposerTests.java')
| -rw-r--r-- | tests/src/org/kelar/inputmethod/latin/WordComposerTests.java | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/tests/src/org/kelar/inputmethod/latin/WordComposerTests.java b/tests/src/org/kelar/inputmethod/latin/WordComposerTests.java new file mode 100644 index 000000000..f13458526 --- /dev/null +++ b/tests/src/org/kelar/inputmethod/latin/WordComposerTests.java @@ -0,0 +1,133 @@ +/* + * Copyright (C) 2013 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 org.kelar.inputmethod.latin; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +import androidx.test.filters.SmallTest; +import androidx.test.runner.AndroidJUnit4; + +import org.kelar.inputmethod.latin.common.Constants; +import org.kelar.inputmethod.latin.common.CoordinateUtils; +import org.kelar.inputmethod.latin.common.StringUtils; + +import org.junit.Test; +import org.junit.runner.RunWith; + +/** + * Unit tests for WordComposer. + */ +@SmallTest +@RunWith(AndroidJUnit4.class) +public class WordComposerTests { + + @Test + public void testMoveCursor() { + final WordComposer wc = new WordComposer(); + // BMP is the Basic Multilingual Plane, as defined by Unicode. This includes + // most characters for most scripts, including all Roman alphabet languages, + // CJK, Arabic, Hebrew. Notable exceptions include some emoji and some + // very rare Chinese ideograms. BMP characters can be encoded on 2 bytes + // in UTF-16, whereas those outside the BMP need 4 bytes. + // http://en.wikipedia.org/wiki/Plane_(Unicode)#Basic_Multilingual_Plane + final String STR_WITHIN_BMP = "abcdef"; + final int[] CODEPOINTS_WITHIN_BMP = StringUtils.toCodePointArray(STR_WITHIN_BMP); + final int[] COORDINATES_WITHIN_BMP = + CoordinateUtils.newCoordinateArray(CODEPOINTS_WITHIN_BMP.length, + Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE); + wc.setComposingWord(CODEPOINTS_WITHIN_BMP, COORDINATES_WITHIN_BMP); + assertEquals(wc.size(), STR_WITHIN_BMP.codePointCount(0, STR_WITHIN_BMP.length())); + assertFalse(wc.isCursorFrontOrMiddleOfComposingWord()); + wc.setCursorPositionWithinWord(2); + assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); + // Move the cursor to after the 'd' + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(2)); + assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); + // Move the cursor to after the 'e' + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(1)); + assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); + assertEquals(wc.size(), 6); + // Move the cursor to after the 'f' + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(1)); + assertFalse(wc.isCursorFrontOrMiddleOfComposingWord()); + // Move the cursor past the end of the word + assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(1)); + assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(15)); + // Do what LatinIME does when the cursor is moved outside of the word, + // and check the behavior is correct. + wc.reset(); + + // \uD861\uDED7 is 𨛗, a character outside the BMP + final String STR_WITH_SUPPLEMENTARY_CHAR = "abcde\uD861\uDED7fgh"; + final int[] CODEPOINTS_WITH_SUPPLEMENTARY_CHAR = + StringUtils.toCodePointArray(STR_WITH_SUPPLEMENTARY_CHAR); + final int[] COORDINATES_WITH_SUPPLEMENTARY_CHAR = + CoordinateUtils.newCoordinateArray(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR.length, + Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE); + wc.setComposingWord(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR, + COORDINATES_WITH_SUPPLEMENTARY_CHAR); + assertEquals(wc.size(), CODEPOINTS_WITH_SUPPLEMENTARY_CHAR.length); + assertFalse(wc.isCursorFrontOrMiddleOfComposingWord()); + wc.setCursorPositionWithinWord(3); + assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(6)); + assertTrue(wc.isCursorFrontOrMiddleOfComposingWord()); + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(1)); + assertFalse(wc.isCursorFrontOrMiddleOfComposingWord()); + + wc.setComposingWord(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR, + COORDINATES_WITH_SUPPLEMENTARY_CHAR); + wc.setCursorPositionWithinWord(3); + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(7)); + + wc.setComposingWord(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR, + COORDINATES_WITH_SUPPLEMENTARY_CHAR); + wc.setCursorPositionWithinWord(3); + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(7)); + + wc.setComposingWord(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR, + COORDINATES_WITH_SUPPLEMENTARY_CHAR); + wc.setCursorPositionWithinWord(3); + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(-3)); + assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(-1)); + + + wc.setComposingWord(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR, + COORDINATES_WITH_SUPPLEMENTARY_CHAR); + wc.setCursorPositionWithinWord(3); + assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(-9)); + + wc.setComposingWord(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR, + COORDINATES_WITH_SUPPLEMENTARY_CHAR); + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(-10)); + + wc.setComposingWord(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR, + COORDINATES_WITH_SUPPLEMENTARY_CHAR); + assertFalse(wc.moveCursorByAndReturnIfInsideComposingWord(-11)); + + wc.setComposingWord(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR, + COORDINATES_WITH_SUPPLEMENTARY_CHAR); + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(0)); + + wc.setComposingWord(CODEPOINTS_WITH_SUPPLEMENTARY_CHAR, + COORDINATES_WITH_SUPPLEMENTARY_CHAR); + wc.setCursorPositionWithinWord(2); + assertTrue(wc.moveCursorByAndReturnIfInsideComposingWord(0)); + } +} |