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/*
* Copyright (C) 2014 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 com.android.inputmethod.latin;
import com.android.inputmethod.latin.PrevWordsInfo.WordInfo;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
@SmallTest
public class PrevWordsInfoTests extends AndroidTestCase {
public void testConstruct() {
assertEquals(new PrevWordsInfo(new WordInfo("a")), new PrevWordsInfo(new WordInfo("a")));
assertEquals(new PrevWordsInfo(WordInfo.BEGINNING_OF_SENTENCE),
new PrevWordsInfo(WordInfo.BEGINNING_OF_SENTENCE));
assertEquals(new PrevWordsInfo(WordInfo.EMPTY_WORD_INFO),
new PrevWordsInfo(WordInfo.EMPTY_WORD_INFO));
assertEquals(new PrevWordsInfo(WordInfo.EMPTY_WORD_INFO),
new PrevWordsInfo(WordInfo.EMPTY_WORD_INFO));
}
public void testIsBeginningOfSentenceContext() {
assertFalse(new PrevWordsInfo().isBeginningOfSentenceContext());
assertTrue(new PrevWordsInfo(WordInfo.BEGINNING_OF_SENTENCE)
.isBeginningOfSentenceContext());
assertTrue(PrevWordsInfo.BEGINNING_OF_SENTENCE.isBeginningOfSentenceContext());
assertFalse(new PrevWordsInfo(new WordInfo("a")).isBeginningOfSentenceContext());
assertFalse(new PrevWordsInfo(new WordInfo("")).isBeginningOfSentenceContext());
assertFalse(new PrevWordsInfo(WordInfo.EMPTY_WORD_INFO).isBeginningOfSentenceContext());
assertTrue(new PrevWordsInfo(WordInfo.BEGINNING_OF_SENTENCE, new WordInfo("a"))
.isBeginningOfSentenceContext());
assertFalse(new PrevWordsInfo(new WordInfo("a"), WordInfo.BEGINNING_OF_SENTENCE)
.isBeginningOfSentenceContext());
assertFalse(new PrevWordsInfo(WordInfo.EMPTY_WORD_INFO, WordInfo.BEGINNING_OF_SENTENCE)
.isBeginningOfSentenceContext());
}
public void testGetNextPrevWordsInfo() {
final PrevWordsInfo prevWordsInfo_a = new PrevWordsInfo(new WordInfo("a"));
final PrevWordsInfo prevWordsInfo_b_a =
prevWordsInfo_a.getNextPrevWordsInfo(new WordInfo("b"));
assertEquals("b", prevWordsInfo_b_a.getNthPrevWord(1));
assertEquals("a", prevWordsInfo_b_a.getNthPrevWord(2));
final PrevWordsInfo prevWordsInfo_bos_b =
prevWordsInfo_b_a.getNextPrevWordsInfo(WordInfo.BEGINNING_OF_SENTENCE);
assertTrue(prevWordsInfo_bos_b.isBeginningOfSentenceContext());
assertEquals("b", prevWordsInfo_bos_b.getNthPrevWord(2));
final PrevWordsInfo prevWordsInfo_c_bos =
prevWordsInfo_b_a.getNextPrevWordsInfo(new WordInfo("c"));
assertEquals("c", prevWordsInfo_c_bos.getNthPrevWord(1));
}
}
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