1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.tools;
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3 |
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4 | import static org.junit.Assert.assertEquals;
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5 |
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6 | import java.util.Arrays;
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7 | import java.util.Collections;
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8 | import java.util.List;
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9 | import java.util.Locale;
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10 |
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11 | import org.junit.Assert;
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12 | import org.junit.Test;
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13 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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14 |
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15 | /**
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16 | * Unit tests of {@link Utils} class.
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17 | */
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18 | public class UtilsTest {
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19 | /**
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20 | * Use default, basic test rules.
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21 | */
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22 | public JOSMTestRules rules = new JOSMTestRules();
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23 |
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24 | /**
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25 | * Test of {@link Utils#strip} method.
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26 | */
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27 | @Test
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28 | public void testStrip() {
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29 | // CHECKSTYLE.OFF: SingleSpaceSeparator
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30 | final String someWhite =
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31 | "\u00A0"+ // SPACE_SEPARATOR
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32 | "\u2007"+ // LINE_SEPARATOR
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33 | "\u202F"+ // PARAGRAPH_SEPARATOR
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34 | "\u0009"+ // HORIZONTAL TABULATION
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35 | "\n" + // LINE FEED (U+000A, cannot be put as it in Java)
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36 | "\u000B"+ // VERTICAL TABULATION
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37 | "\u000C"+ // FORM FEED
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38 | "\r" + // CARRIAGE RETURN (U+000D, cannot be put as it in Java)
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39 | "\u001C"+ // FILE SEPARATOR
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40 | "\u001D"+ // GROUP SEPARATOR
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41 | "\u001E"+ // RECORD SEPARATOR
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42 | "\u001F"+ // UNIT SEPARATOR
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43 | "\u2003"+ // EM SPACE
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44 | "\u2007"+ // FIGURE SPACE
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45 | "\u200B"+ // ZERO WIDTH SPACE
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46 | "\uFEFF"+ // ZERO WIDTH NO-BREAK SPACE
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47 | "\u3000"; // IDEOGRAPHIC SPACE
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48 | // CHECKSTYLE.ON: SingleSpaceSeparator
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49 | Assert.assertNull(Utils.strip(null));
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50 | Assert.assertEquals("", Utils.strip(""));
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51 | Assert.assertEquals("", Utils.strip(" "));
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52 | Assert.assertEquals("", Utils.strip(" "));
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53 | Assert.assertEquals("", Utils.strip(" "));
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54 | Assert.assertEquals("", Utils.strip(someWhite));
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55 | Assert.assertEquals("a", Utils.strip("a"));
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56 | Assert.assertEquals("ab", Utils.strip("ab"));
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57 | Assert.assertEquals("abc", Utils.strip("abc"));
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58 | Assert.assertEquals("a", Utils.strip(" a"));
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59 | Assert.assertEquals("ab", Utils.strip(" ab"));
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60 | Assert.assertEquals("abc", Utils.strip(" abc"));
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61 | Assert.assertEquals("a", Utils.strip("a "));
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62 | Assert.assertEquals("ab", Utils.strip("ab "));
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63 | Assert.assertEquals("abc", Utils.strip("abc "));
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64 | Assert.assertEquals("a", Utils.strip(someWhite+"a"+someWhite));
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65 | Assert.assertEquals("ab", Utils.strip(someWhite+"ab"+someWhite));
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66 | Assert.assertEquals("abc", Utils.strip(someWhite+"abc"+someWhite));
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67 |
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68 | // extended skip
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69 | Assert.assertEquals("a", Utils.strip("a", "b"));
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70 | Assert.assertEquals("b", Utils.strip("acbcac", "ac"));
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71 | }
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72 |
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73 | /**
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74 | * Test of {@link Utils#toHexString} method.
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75 | */
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76 | @Test
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77 | public void testToHexString() {
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78 | Assert.assertEquals("", Utils.toHexString(null));
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79 | Assert.assertEquals("", Utils.toHexString(new byte[0]));
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80 | Assert.assertEquals("01", Utils.toHexString(new byte[]{0x1}));
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81 | Assert.assertEquals("0102", Utils.toHexString(new byte[]{0x1, 0x2}));
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82 | Assert.assertEquals("12", Utils.toHexString(new byte[]{0x12}));
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83 | Assert.assertEquals("127f", Utils.toHexString(new byte[]{0x12, 0x7f}));
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84 | Assert.assertEquals("fedc", Utils.toHexString(new byte[]{(byte) 0xfe, (byte) 0xdc}));
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85 | }
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86 |
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87 | /**
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88 | * Test of {@link Utils#getPositionListString} method.
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89 | */
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90 | @Test
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91 | public void testPositionListString() {
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92 | assertEquals("1", Utils.getPositionListString(Arrays.asList(1)));
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93 | assertEquals("1-3", Utils.getPositionListString(Arrays.asList(1, 2, 3)));
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94 | assertEquals("1-3", Utils.getPositionListString(Arrays.asList(3, 1, 2)));
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95 | assertEquals("1-3,6-8", Utils.getPositionListString(Arrays.asList(1, 2, 3, 6, 7, 8)));
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96 | assertEquals("1-2,5-7", Utils.getPositionListString(Arrays.asList(1, 5, 2, 6, 7)));
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97 | }
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98 |
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99 | /**
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100 | * Test of {@link Utils#getDurationString} method.
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101 | */
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102 | @Test
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103 | public void testDurationString() {
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104 | I18n.set("en");
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105 | assertEquals("123 ms", Utils.getDurationString(123));
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106 | assertEquals("1.2 s", Utils.getDurationString(1234));
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107 | assertEquals("57.0 s", Utils.getDurationString(57 * 1000));
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108 | assertEquals("8 min 27 s", Utils.getDurationString(507 * 1000));
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109 | assertEquals("8 h 24 min", Utils.getDurationString((long) (8.4 * 60 * 60 * 1000)));
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110 | assertEquals("1 day 12 h", Utils.getDurationString((long) (1.5 * 24 * 60 * 60 * 1000)));
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111 | assertEquals("8 days 12 h", Utils.getDurationString((long) (8.5 * 24 * 60 * 60 * 1000)));
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112 | }
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113 |
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114 | /**
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115 | * Test of {@link Utils#escapeReservedCharactersHTML} method.
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116 | */
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117 | @Test
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118 | public void testEscapeReservedCharactersHTML() {
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119 | assertEquals("foo -> bar -> '&'", Utils.escapeReservedCharactersHTML("foo -> bar -> '&'"));
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120 | }
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121 |
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122 | /**
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123 | * Test of {@link Utils#restrictStringLines} method.
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124 | */
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125 | @Test
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126 | public void testRestrictStringLines() {
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127 | assertEquals("1\n...", Utils.restrictStringLines("1\n2\n3", 2));
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128 | assertEquals("1\n2\n3", Utils.restrictStringLines("1\n2\n3", 3));
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129 | assertEquals("1\n2\n3", Utils.restrictStringLines("1\n2\n3", 4));
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130 | }
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131 |
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132 | /**
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133 | * Test of {@link Utils#getSizeString} method.
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134 | */
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135 | @Test
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136 | public void testSizeString() {
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137 | assertEquals("0 B", Utils.getSizeString(0, Locale.ENGLISH));
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138 | assertEquals("123 B", Utils.getSizeString(123, Locale.ENGLISH));
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139 | assertEquals("1023 B", Utils.getSizeString(1023, Locale.ENGLISH));
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140 | assertEquals("1.00 kB", Utils.getSizeString(1024, Locale.ENGLISH));
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141 | assertEquals("11.7 kB", Utils.getSizeString(12024, Locale.ENGLISH));
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142 | assertEquals("8.00 EB", Utils.getSizeString(Long.MAX_VALUE, Locale.ENGLISH));
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143 | }
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144 |
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145 | /**
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146 | * Test of {@link Utils#getSizeString} method.
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147 | */
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148 | @Test(expected = IllegalArgumentException.class)
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149 | public void testSizeStringNegative() {
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150 | Utils.getSizeString(-1, Locale.ENGLISH);
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151 | }
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152 |
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153 | /**
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154 | * Test {@link Utils#joinAsHtmlUnorderedList(Iterable)}
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155 | */
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156 | @Test
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157 | public void testJoinAsHtmlUnorderedList() {
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158 | List<? extends Object> items = Arrays.asList("1", Integer.valueOf(2));
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159 | assertEquals("<ul><li>1</li><li>2</li></ul>", Utils.joinAsHtmlUnorderedList(items));
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160 | assertEquals("<ul></ul>", Utils.joinAsHtmlUnorderedList(Collections.emptyList()));
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161 | }
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162 | }
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