1 /* 2 * Copyright 2013, Google Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 package org.jf.util; 33 34 import com.google.common.collect.Lists; 35 import org.junit.Assert; 36 import org.junit.Test; 37 38 import java.util.List; 39 40 public class StringWrapperTest { 41 @Test 42 public void testWrapStringByWords() { 43 validateResult2(new String[]{"abc", "abcdef", "abcdef"}, 44 "abc\nabcdefabcdef", 6); 45 46 validateResult2(new String[]{"abc", "abcdef", " ", "abcdef"}, 47 "abc\nabcdef abcdef", 6); 48 49 validateResult2(new String[]{"abc", "abcde ", "fabcde", "f"}, 50 "abc\nabcde fabcdef", 6); 51 52 validateResult2(new String[]{"abc def ghi ", "kjl mon pqr ", "stu vwx yz"}, 53 "abc def ghi kjl mon pqr stu vwx yz", 14); 54 55 validateResult2(new String[]{"abcdefg", "hikjlmo", "npqrstu", "vwxyz"}, 56 "abcdefghikjlmonpqrstuvwxyz", 7); 57 58 validateResult2(new String[]{"abc", "defhig"}, 59 "abc\ndefhig", 20); 60 } 61 62 @Test 63 public void testWrapString() { 64 validateResult( 65 new String[]{"abc", "abcdef", "abcdef"}, 66 StringWrapper.wrapString("abc\nabcdefabcdef", 6, null)); 67 68 validateResult( 69 new String[]{"abc"}, 70 StringWrapper.wrapString("abc", 6, new String[3])); 71 72 validateResult( 73 new String[]{"abc"}, 74 StringWrapper.wrapString("abc", 6, new String[0])); 75 76 validateResult( 77 new String[]{"abc"}, 78 StringWrapper.wrapString("abc", 6, new String[1])); 79 80 validateResult( 81 new String[]{""}, 82 StringWrapper.wrapString("", 6, new String[3])); 83 84 validateResult( 85 new String[]{"abcdef"}, 86 StringWrapper.wrapString("abcdef", 6, new String[3])); 87 88 validateResult( 89 new String[]{"abcdef", "abcdef"}, 90 StringWrapper.wrapString("abcdef\nabcdef", 6, new String[3])); 91 92 validateResult( 93 new String[]{"abc", "", "def"}, 94 StringWrapper.wrapString("abc\n\ndef", 6, new String[3])); 95 96 validateResult( 97 new String[]{"", "abcdef"}, 98 StringWrapper.wrapString("\nabcdef", 6, new String[3])); 99 100 validateResult( 101 new String[]{"", "", "abcdef"}, 102 StringWrapper.wrapString("\n\nabcdef", 6, new String[3])); 103 104 validateResult( 105 new String[]{"", "", "abcdef"}, 106 StringWrapper.wrapString("\n\nabcdef", 6, new String[4])); 107 108 validateResult( 109 new String[]{"", "", "abcdef", ""}, 110 StringWrapper.wrapString("\n\nabcdef\n\n", 6, new String[4])); 111 112 validateResult( 113 new String[]{"", "", "abcdef", "a", ""}, 114 StringWrapper.wrapString("\n\nabcdefa\n\n", 6, new String[4])); 115 116 validateResult( 117 new String[]{"", "", "abcdef", "a", ""}, 118 StringWrapper.wrapString("\n\nabcdefa\n\n", 6, new String[0])); 119 120 validateResult( 121 new String[]{"", "", "abcdef", "a", ""}, 122 StringWrapper.wrapString("\n\nabcdefa\n\n", 6, new String[5])); 123 124 validateResult( 125 new String[]{"", "", "a", "b", "c", "d", "e", "f", "a", ""}, 126 StringWrapper.wrapString("\n\nabcdefa\n\n", 1, new String[5])); 127 } 128 129 public static void validateResult(String[] expected, String[] actual) { 130 Assert.assertTrue(actual.length >= expected.length); 131 132 int i; 133 for (i=0; i<actual.length; i++) { 134 if (actual[i] == null) { 135 Assert.assertTrue(i == expected.length); 136 return; 137 } 138 Assert.assertTrue(i < expected.length); 139 Assert.assertEquals(expected[i], actual[i]); 140 } 141 } 142 143 public static void validateResult2(String[] expected, String textToWrap, int maxWidth) { 144 List<String> result = Lists.newArrayList(StringWrapper.wrapStringOnBreaks(textToWrap, maxWidth)); 145 146 Assert.assertEquals(expected.length, result.size()); 147 int i; 148 for (i=0; i<result.size(); i++) { 149 Assert.assertTrue(i < expected.length); 150 Assert.assertEquals(expected[i], result.get(i)); 151 } 152 } 153 } 154
