Chiao Cheng | a6b4c79 | 2012-10-31 15:18:29 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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.contacts.common.format; |
| 18 | |
| 19 | import android.database.CharArrayBuffer; |
| 20 | import android.test.AndroidTestCase; |
| 21 | import android.test.suitebuilder.annotation.SmallTest; |
| 22 | |
| 23 | /** |
| 24 | * Test cases for format utility methods. |
| 25 | */ |
| 26 | @SmallTest |
| 27 | public class FormatUtilsTests extends AndroidTestCase { |
| 28 | |
| 29 | public void testOverlapPoint() throws Exception { |
| 30 | assertEquals(2, FormatUtils.overlapPoint("abcde", "cdefg")); |
| 31 | assertEquals(-1, FormatUtils.overlapPoint("John Doe", "John Doe")); |
| 32 | assertEquals(5, FormatUtils.overlapPoint("John Doe", "Doe, John")); |
| 33 | assertEquals(-1, FormatUtils.overlapPoint("Mr. John Doe", "Mr. Doe, John")); |
| 34 | assertEquals(13, FormatUtils.overlapPoint("John Herbert Doe", "Doe, John Herbert")); |
| 35 | } |
| 36 | |
| 37 | public void testCopyToCharArrayBuffer() { |
| 38 | CharArrayBuffer charArrayBuffer = new CharArrayBuffer(20); |
| 39 | checkCopyToCharArrayBuffer(charArrayBuffer, null, 0); |
| 40 | checkCopyToCharArrayBuffer(charArrayBuffer, "", 0); |
| 41 | checkCopyToCharArrayBuffer(charArrayBuffer, "test", 4); |
| 42 | // Check that it works after copying something into it. |
| 43 | checkCopyToCharArrayBuffer(charArrayBuffer, "", 0); |
| 44 | checkCopyToCharArrayBuffer(charArrayBuffer, "test", 4); |
| 45 | checkCopyToCharArrayBuffer(charArrayBuffer, null, 0); |
| 46 | // This requires a resize of the actual buffer. |
| 47 | checkCopyToCharArrayBuffer(charArrayBuffer, "test test test test test", 24); |
| 48 | } |
| 49 | |
| 50 | public void testCharArrayBufferToString() { |
| 51 | checkCharArrayBufferToString(""); |
| 52 | checkCharArrayBufferToString("test"); |
| 53 | checkCharArrayBufferToString("test test test test test"); |
| 54 | } |
| 55 | |
| 56 | /** Checks that copying a string into a {@link CharArrayBuffer} and back works correctly. */ |
| 57 | private void checkCharArrayBufferToString(String text) { |
| 58 | CharArrayBuffer buffer = new CharArrayBuffer(20); |
| 59 | FormatUtils.copyToCharArrayBuffer(text, buffer); |
| 60 | assertEquals(text, FormatUtils.charArrayBufferToString(buffer)); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Checks that copying into the char array buffer copies the values correctly. |
| 65 | */ |
| 66 | private void checkCopyToCharArrayBuffer(CharArrayBuffer buffer, String value, int length) { |
| 67 | FormatUtils.copyToCharArrayBuffer(value, buffer); |
| 68 | assertEquals(length, buffer.sizeCopied); |
| 69 | for (int index = 0; index < length; ++index) { |
| 70 | assertEquals(value.charAt(index), buffer.data[index]); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | public void testIndexOfWordPrefix_NullPrefix() { |
| 75 | assertEquals(-1, FormatUtils.indexOfWordPrefix("test", null)); |
| 76 | } |
| 77 | |
| 78 | public void testIndexOfWordPrefix_NullText() { |
Chiao Cheng | a1554ef | 2012-12-21 15:45:54 -0800 | [diff] [blame] | 79 | assertEquals(-1, FormatUtils.indexOfWordPrefix(null, "TE")); |
Chiao Cheng | a6b4c79 | 2012-10-31 15:18:29 -0700 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | public void testIndexOfWordPrefix_MatchingPrefix() { |
| 83 | checkIndexOfWordPrefix("test", "TE", 0); |
| 84 | checkIndexOfWordPrefix("Test", "TE", 0); |
| 85 | checkIndexOfWordPrefix("TEst", "TE", 0); |
| 86 | checkIndexOfWordPrefix("TEST", "TE", 0); |
| 87 | checkIndexOfWordPrefix("a test", "TE", 2); |
| 88 | checkIndexOfWordPrefix("test test", "TE", 0); |
| 89 | checkIndexOfWordPrefix("a test test", "TE", 2); |
| 90 | } |
| 91 | |
| 92 | public void testIndexOfWordPrefix_NotMatchingPrefix() { |
| 93 | checkIndexOfWordPrefix("test", "TA", -1); |
| 94 | checkIndexOfWordPrefix("test type theme", "TA", -1); |
| 95 | checkIndexOfWordPrefix("atest retest pretest", "TEST", -1); |
| 96 | checkIndexOfWordPrefix("tes", "TEST", -1); |
| 97 | } |
| 98 | |
| 99 | public void testIndexOfWordPrefix_LowerCase() { |
| 100 | // The prefix match only works if the prefix is un upper case. |
| 101 | checkIndexOfWordPrefix("test", "te", -1); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Checks that getting the index of a word prefix in the given text returns the expected index. |
| 106 | * |
| 107 | * @param text the text in which to look for the word |
| 108 | * @param wordPrefix the word prefix to look for |
| 109 | * @param expectedIndex the expected value to be returned by the function |
| 110 | */ |
| 111 | private void checkIndexOfWordPrefix(String text, String wordPrefix, int expectedIndex) { |
Chiao Cheng | a1554ef | 2012-12-21 15:45:54 -0800 | [diff] [blame] | 112 | assertEquals(expectedIndex, FormatUtils.indexOfWordPrefix(text, wordPrefix)); |
Chiao Cheng | a6b4c79 | 2012-10-31 15:18:29 -0700 | [diff] [blame] | 113 | } |
| 114 | } |