| /* |
| * Copyright (C) 2009 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 android.widget.cts; |
| |
| |
| import android.database.Cursor; |
| import android.database.MatrixCursor; |
| import android.test.AndroidTestCase; |
| import android.widget.AlphabetIndexer; |
| |
| public class AlphabetIndexerTest extends AndroidTestCase { |
| private static final String[] COUNTRIES_LIST = new String[] |
| {"Argentina", "Australia", "China", "France", "Germany", "Italy", "Japan", "United States"}; |
| private static final String[] NAMES_LIST = new String[] |
| {"Andy", "Bergkamp", "David", "Jacky", "Kevin", "Messi", "Michael", "Steven"}; |
| private static final String ALPHABET = " ABCDEFGHIJKLMNOPQRSTUVWXYZ"; |
| private static final int SORTED_COLUMN_INDEX = 1; |
| |
| private static final int INDEX_OF_ARGENTINA = 0; |
| private static final int INDEX_OF_CHINA = 2; |
| private static final int INDEX_OF_UNITED_STATES = 7; |
| |
| private static final int INDEX_OF_BERGKAMP = 1; |
| private static final int INDEX_OF_MESSI = 5; |
| private static final int INDEX_OF_STEVEN = 7; |
| |
| public void testAlphabetIndexer() { |
| Cursor c1 = createCursor("Country", COUNTRIES_LIST); |
| |
| AlphabetIndexer indexer = new AlphabetIndexer(c1, SORTED_COLUMN_INDEX, ALPHABET); |
| |
| // test getSections |
| Object[] sections = indexer.getSections(); |
| assertTrue(sections instanceof String[]); |
| assertEquals(ALPHABET.length(), sections.length); |
| assertEquals(ALPHABET.charAt(0), ((String[]) sections)[0].charAt(0)); |
| assertEquals(ALPHABET.charAt(1), ((String[]) sections)[1].charAt(0)); |
| assertEquals(ALPHABET.charAt(ALPHABET.length() - 2), |
| ((String[]) sections)[ALPHABET.length() - 2].charAt(0)); |
| assertEquals(ALPHABET.charAt(ALPHABET.length() - 1), |
| ((String[]) sections)[ALPHABET.length() - 1].charAt(0)); |
| |
| // test getPositionForSection |
| // search for 'A' |
| int index = ALPHABET.indexOf('A'); |
| assertEquals(INDEX_OF_ARGENTINA, indexer.getPositionForSection(index)); |
| |
| // search for 'C' |
| index = ALPHABET.indexOf('C'); |
| assertEquals(INDEX_OF_CHINA, indexer.getPositionForSection(index)); |
| |
| // search for 'T', and it should search for "United States" |
| index = ALPHABET.indexOf('T'); |
| assertEquals(INDEX_OF_UNITED_STATES, indexer.getPositionForSection(index)); |
| |
| // search for 'X', return the length |
| index = ALPHABET.indexOf('X'); |
| assertEquals(COUNTRIES_LIST.length, indexer.getPositionForSection(index)); |
| |
| // test getSectionForPosition |
| assertEquals(ALPHABET.indexOf('A'), indexer.getSectionForPosition(0)); |
| assertEquals(ALPHABET.indexOf('C'), indexer.getSectionForPosition(2)); |
| assertEquals(ALPHABET.indexOf('G'), indexer.getSectionForPosition(4)); |
| assertEquals(ALPHABET.indexOf('J'), indexer.getSectionForPosition(6)); |
| |
| // test setCursor |
| Cursor c2 = createCursor("Name", NAMES_LIST); |
| |
| indexer.setCursor(c2); |
| |
| // test getPositionForSection in Name Cursor |
| // search for 'B' |
| index = ALPHABET.indexOf('B'); |
| assertEquals(INDEX_OF_BERGKAMP, indexer.getPositionForSection(index)); |
| |
| // search for 'M' |
| index = ALPHABET.indexOf('M'); |
| assertEquals(INDEX_OF_MESSI, indexer.getPositionForSection(index)); |
| |
| // search for 'P', and it should search for "Steven" |
| index = ALPHABET.indexOf('P'); |
| assertEquals(INDEX_OF_STEVEN, indexer.getPositionForSection(index)); |
| |
| // search for 'T', return the length |
| index = ALPHABET.indexOf('T'); |
| assertEquals(NAMES_LIST.length, indexer.getPositionForSection(index)); |
| } |
| |
| public void testCompare() { |
| Cursor cursor = createCursor("Country", COUNTRIES_LIST); |
| |
| MyAlphabetIndexer indexer = new MyAlphabetIndexer(cursor, SORTED_COLUMN_INDEX, ALPHABET); |
| assertEquals(0, indexer.compare("Golfresort", "G")); |
| assertTrue(indexer.compare("Golfresort", "F") > 0); |
| assertTrue(indexer.compare("Golfresort", "H") < 0); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private Cursor createCursor(String listName, String[] listData) { |
| String[] columns = { "_id", listName }; |
| |
| MatrixCursor cursor = new MatrixCursor(columns, listData.length); |
| for (int i = 0; i < listData.length; i++) { |
| cursor.addRow(new Object[] { i, listData[i] }); |
| } |
| return cursor; |
| } |
| |
| /** |
| * MyAlphabetIndexer for test |
| */ |
| private static class MyAlphabetIndexer extends AlphabetIndexer { |
| public MyAlphabetIndexer(Cursor cursor, int sortedColumnIndex, CharSequence alphabet) { |
| super(cursor, sortedColumnIndex, alphabet); |
| } |
| |
| protected int compare(String word, String letter) { |
| return super.compare(word, letter); |
| } |
| } |
| } |
| |