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.jupiter.api.Assertions.assertEquals;
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5 | import static org.junit.jupiter.api.Assertions.assertFalse;
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6 | import static org.junit.jupiter.api.Assertions.assertNull;
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7 | import static org.junit.jupiter.api.Assertions.assertSame;
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8 | import static org.junit.jupiter.api.Assertions.assertThrows;
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9 | import static org.junit.jupiter.api.Assertions.assertTrue;
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10 |
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11 | import java.io.File;
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12 | import java.io.IOException;
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13 | import java.util.ArrayList;
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14 | import java.util.Arrays;
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15 | import java.util.Collections;
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16 | import java.util.HashMap;
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17 | import java.util.LinkedList;
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18 | import java.util.List;
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19 | import java.util.Locale;
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20 | import java.util.Map;
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21 | import java.util.TreeMap;
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22 | import java.util.regex.Pattern;
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23 |
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24 | import org.junit.jupiter.api.Test;
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25 | import org.junit.jupiter.api.extension.RegisterExtension;
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26 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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27 |
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28 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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29 | import net.trajano.commons.testing.UtilityClassTestUtil;
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30 |
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31 | /**
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32 | * Unit tests of {@link Utils} class.
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33 | */
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34 | class UtilsTest {
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35 | /**
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36 | * Use default, basic test rules.
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37 | */
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38 | @RegisterExtension
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39 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
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40 | public JOSMTestRules rules = new JOSMTestRules();
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41 |
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42 | /**
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43 | * Tests that {@code Utils} satisfies utility class criteria.
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44 | * @throws ReflectiveOperationException if an error occurs
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45 | */
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46 | @Test
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47 | void testUtilityClass() throws ReflectiveOperationException {
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48 | UtilityClassTestUtil.assertUtilityClassWellDefined(Utils.class);
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49 | }
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50 |
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51 | /**
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52 | * Test of {@link Utils#strip} method.
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53 | */
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54 | @Test
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55 | void testStrip() {
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56 | // CHECKSTYLE.OFF: SingleSpaceSeparator
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57 | final String someWhite =
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58 | "\u00A0"+ // SPACE_SEPARATOR
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59 | "\u2007"+ // LINE_SEPARATOR
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60 | "\u202F"+ // NARROW NO-BREAK SPACE
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61 | "\u0009"+ // HORIZONTAL TABULATION
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62 | "\n" + // LINE FEED (U+000A, cannot be put as it in Java)
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63 | "\u000B"+ // VERTICAL TABULATION
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64 | "\u000C"+ // FORM FEED
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65 | "\r" + // CARRIAGE RETURN (U+000D, cannot be put as it in Java)
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66 | "\u001C"+ // FILE SEPARATOR
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67 | "\u001D"+ // GROUP SEPARATOR
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68 | "\u001E"+ // RECORD SEPARATOR
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69 | "\u001F"+ // UNIT SEPARATOR
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70 | "\u2003"+ // EM SPACE
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71 | "\u2007"+ // FIGURE SPACE
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72 | "\u200B"+ // ZERO WIDTH SPACE
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73 | "\uFEFF"+ // ZERO WIDTH NO-BREAK SPACE
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74 | "\u3000"; // IDEOGRAPHIC SPACE
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75 | // CHECKSTYLE.ON: SingleSpaceSeparator
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76 | assertNull(Utils.strip(null));
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77 | assertEquals("", Utils.strip(""));
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78 | assertEquals("", Utils.strip(" "));
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79 | assertEquals("", Utils.strip(" "));
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80 | assertEquals("", Utils.strip(" "));
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81 | assertEquals("", Utils.strip(someWhite));
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82 | assertEquals("", Utils.strip("\u200B"));
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83 | assertEquals("", Utils.strip("\uFEFF"));
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84 | assertEquals("a", Utils.strip("a"));
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85 | assertEquals("ab", Utils.strip("ab"));
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86 | assertEquals("abc", Utils.strip("abc"));
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87 | assertEquals("a", Utils.strip(" a"));
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88 | assertEquals("ab", Utils.strip(" ab"));
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89 | assertEquals("abc", Utils.strip(" abc"));
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90 | assertEquals("a", Utils.strip("a "));
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91 | assertEquals("ab", Utils.strip("ab "));
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92 | assertEquals("abc", Utils.strip("abc "));
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93 | assertEquals("a", Utils.strip(someWhite+"a"+someWhite));
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94 | assertEquals("ab", Utils.strip(someWhite+"ab"+someWhite));
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95 | assertEquals("abc", Utils.strip(someWhite+"abc"+someWhite));
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96 |
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97 | // extended skip
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98 | assertNull(Utils.strip(null, "abc"));
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99 | assertEquals("", Utils.strip("", "b"));
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100 | assertEquals("", Utils.strip("abbbb", "ab"));
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101 | assertEquals("a", Utils.strip("a", "b"));
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102 | assertEquals("a", Utils.strip("abbbb", "b"));
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103 | assertEquals("b", Utils.strip("acbcac", "ac"));
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104 | }
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105 |
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106 | /**
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107 | * Test of {@link Utils#isStripEmpty} method.
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108 | */
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109 | @Test
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110 | void testIsStripEmpty() {
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111 | assertTrue(Utils.isStripEmpty(null));
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112 | assertTrue(Utils.isStripEmpty(""));
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113 | assertTrue(Utils.isStripEmpty(" "));
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114 | assertTrue(Utils.isStripEmpty(" "));
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115 | assertFalse(Utils.isStripEmpty("a"));
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116 | assertFalse(Utils.isStripEmpty("foo"));
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117 | assertFalse(Utils.isStripEmpty(" foo"));
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118 | assertFalse(Utils.isStripEmpty("foo "));
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119 | assertFalse(Utils.isStripEmpty(" foo "));
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120 | }
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121 |
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122 | /**
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123 | * Test of {@link Utils#toHexString} method.
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124 | */
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125 | @Test
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126 | void testToHexString() {
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127 | assertEquals("", Utils.toHexString(null));
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128 | assertEquals("", Utils.toHexString(new byte[0]));
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129 | assertEquals("01", Utils.toHexString(new byte[]{0x1}));
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130 | assertEquals("0102", Utils.toHexString(new byte[]{0x1, 0x2}));
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131 | assertEquals("12", Utils.toHexString(new byte[]{0x12}));
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132 | assertEquals("127f", Utils.toHexString(new byte[]{0x12, 0x7f}));
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133 | assertEquals("fedc", Utils.toHexString(new byte[]{(byte) 0xfe, (byte) 0xdc}));
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134 | }
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135 |
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136 | /**
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137 | * Test of {@link Utils#getPositionListString} method.
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138 | */
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139 | @Test
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140 | void testPositionListString() {
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141 | assertEquals("1", Utils.getPositionListString(Arrays.asList(1)));
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142 | assertEquals("1-2", Utils.getPositionListString(Arrays.asList(1, 2)));
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143 | assertEquals("1-3", Utils.getPositionListString(Arrays.asList(1, 2, 3)));
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144 | assertEquals("1-3", Utils.getPositionListString(Arrays.asList(3, 1, 2)));
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145 | assertEquals("1-3,6-8", Utils.getPositionListString(Arrays.asList(1, 2, 3, 6, 7, 8)));
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146 | assertEquals("1-2,5-7", Utils.getPositionListString(Arrays.asList(1, 5, 2, 6, 7)));
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147 | }
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148 |
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149 | /**
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150 | * Test of {@link Utils#getDurationString} method.
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151 | */
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152 | @Test
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153 | void testDurationString() {
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154 | I18n.set("en");
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155 | assertEquals("0 ms", Utils.getDurationString(0));
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156 | assertEquals("123 ms", Utils.getDurationString(123));
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157 | assertEquals("1.0 s", Utils.getDurationString(1000));
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158 | assertEquals("1.2 s", Utils.getDurationString(1234));
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159 | assertEquals("57.0 s", Utils.getDurationString(57 * 1000));
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160 | assertEquals("1 min 0 s", Utils.getDurationString(60 * 1000));
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161 | assertEquals("8 min 27 s", Utils.getDurationString(507 * 1000));
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162 | assertEquals("1 h 0 min", Utils.getDurationString(60 * 60 * 1000));
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163 | assertEquals("8 h 24 min", Utils.getDurationString((long) (8.4 * 60 * 60 * 1000)));
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164 | assertEquals("1 day 0 h", Utils.getDurationString(24 * 60 * 60 * 1000));
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165 | assertEquals("1 day 12 h", Utils.getDurationString((long) (1.5 * 24 * 60 * 60 * 1000)));
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166 | assertEquals("8 days 12 h", Utils.getDurationString((long) (8.5 * 24 * 60 * 60 * 1000)));
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167 | }
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168 |
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169 | /**
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170 | * Test of {@link Utils#getDurationString} method.
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171 | */
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172 | @Test
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173 | void testDurationStringNegative() {
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174 | assertThrows(IllegalArgumentException.class, () -> Utils.getDurationString(-1));
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175 | }
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176 |
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177 | /**
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178 | * Test of {@link Utils#escapeReservedCharactersHTML} method.
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179 | */
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180 | @Test
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181 | void testEscapeReservedCharactersHTML() {
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182 | assertEquals("foo -> bar -> '&'", Utils.escapeReservedCharactersHTML("foo -> bar -> '&'"));
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183 | }
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184 |
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185 | /**
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186 | * Test of {@link Utils#shortenString} method.
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187 | */
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188 | @Test
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189 | void testShortenString() {
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190 | assertNull(Utils.shortenString(null, 3));
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191 | assertEquals("...", Utils.shortenString("123456789", 3));
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192 | assertEquals("1...", Utils.shortenString("123456789", 4));
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193 | assertEquals("12...", Utils.shortenString("123456789", 5));
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194 | assertEquals("123...", Utils.shortenString("123456789", 6));
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195 | assertEquals("1234...", Utils.shortenString("123456789", 7));
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196 | assertEquals("12345...", Utils.shortenString("123456789", 8));
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197 | assertEquals("123456789", Utils.shortenString("123456789", 9));
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198 | }
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199 |
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200 | /**
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201 | * Test of {@link Utils#shortenString} method.
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202 | */
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203 | @Test
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204 | void testShortenStringTooShort() {
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205 | assertThrows(IllegalArgumentException.class, () -> Utils.shortenString("123456789", 2));
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206 | }
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207 |
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208 | /**
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209 | * Test of {@link Utils#restrictStringLines} method.
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210 | */
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211 | @Test
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212 | void testRestrictStringLines() {
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213 | assertNull(Utils.restrictStringLines(null, 2));
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214 | assertEquals("1\n...", Utils.restrictStringLines("1\n2\n3", 2));
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215 | assertEquals("1\n2\n3", Utils.restrictStringLines("1\n2\n3", 3));
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216 | assertEquals("1\n2\n3", Utils.restrictStringLines("1\n2\n3", 4));
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217 | }
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218 |
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219 | /**
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220 | * Test of {@link Utils#limit} method.
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221 | */
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222 | @Test
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223 | void testLimit() {
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224 | assertNull(Utils.limit(null, 2, "..."));
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225 | assertEquals(Arrays.asList("1", "..."), Utils.limit(Arrays.asList("1", "2", "3"), 2, "..."));
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226 | assertEquals(Arrays.asList("1", "2", "3"), Utils.limit(Arrays.asList("1", "2", "3"), 3, "..."));
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227 | assertEquals(Arrays.asList("1", "2", "3"), Utils.limit(Arrays.asList("1", "2", "3"), 4, "..."));
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228 | }
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229 |
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230 | /**
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231 | * Test of {@link Utils#getSizeString} method.
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232 | */
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233 | @Test
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234 | void testSizeString() {
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235 | assertEquals("0 B", Utils.getSizeString(0, Locale.ENGLISH));
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236 | assertEquals("123 B", Utils.getSizeString(123, Locale.ENGLISH));
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237 | assertEquals("1023 B", Utils.getSizeString(1023, Locale.ENGLISH));
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238 | assertEquals("1.00 kB", Utils.getSizeString(1024, Locale.ENGLISH));
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239 | assertEquals("10.00 kB", Utils.getSizeString(10 * 1024, Locale.ENGLISH));
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240 | assertEquals("10.0 kB", Utils.getSizeString(10 * 1024 + 1, Locale.ENGLISH));
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241 | assertEquals("100.0 kB", Utils.getSizeString(100 * 1024, Locale.ENGLISH));
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242 | assertEquals("100 kB", Utils.getSizeString(100 * 1024 + 1, Locale.ENGLISH));
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243 | assertEquals("11.7 kB", Utils.getSizeString(12024, Locale.ENGLISH));
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244 | assertEquals("1024 kB", Utils.getSizeString(1024 * 1024 - 1, Locale.ENGLISH));
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245 | assertEquals("1.00 MB", Utils.getSizeString(1024 * 1024, Locale.ENGLISH));
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246 | assertEquals("1024 MB", Utils.getSizeString(1024 * 1024 * 1024 - 1, Locale.ENGLISH));
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247 | assertEquals("1.00 GB", Utils.getSizeString(1024 * 1024 * 1024, Locale.ENGLISH));
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248 | assertEquals("8.00 EB", Utils.getSizeString(Long.MAX_VALUE, Locale.ENGLISH));
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249 | }
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250 |
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251 | /**
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252 | * Test of {@link Utils#getSizeString} method.
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253 | */
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254 | @Test
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255 | void testSizeStringNegative() {
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256 | assertThrows(IllegalArgumentException.class, () -> Utils.getSizeString(-1, Locale.ENGLISH));
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257 | }
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258 |
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259 | /**
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260 | * Test {@link Utils#joinAsHtmlUnorderedList(Iterable)}
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261 | */
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262 | @Test
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263 | void testJoinAsHtmlUnorderedList() {
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264 | List<? extends Object> items = Arrays.asList("1", Integer.valueOf(2));
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265 | assertEquals("<ul><li>1</li><li>2</li></ul>", Utils.joinAsHtmlUnorderedList(items));
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266 | assertEquals("<ul></ul>", Utils.joinAsHtmlUnorderedList(Collections.emptyList()));
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267 | }
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268 |
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269 | /**
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270 | * Test {@link Utils#getJavaVersion}
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271 | */
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272 | @Test
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273 | void testGetJavaVersion() {
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274 | String javaVersion = System.getProperty("java.version");
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275 | try {
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276 | System.setProperty("java.version", "1.8.0_72-ea");
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277 | assertEquals(8, Utils.getJavaVersion());
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278 |
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279 | System.setProperty("java.version", "9-ea");
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280 | assertEquals(9, Utils.getJavaVersion());
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281 |
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282 | System.setProperty("java.version", "9");
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283 | assertEquals(9, Utils.getJavaVersion());
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284 |
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285 | System.setProperty("java.version", "9.0.1");
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286 | assertEquals(9, Utils.getJavaVersion());
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287 |
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288 | System.setProperty("java.version", "10");
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289 | assertEquals(10, Utils.getJavaVersion());
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290 |
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291 | System.setProperty("java.version", "10-ea");
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292 | assertEquals(10, Utils.getJavaVersion());
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293 |
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294 | System.setProperty("java.version", "10.0.1");
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295 | assertEquals(10, Utils.getJavaVersion());
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296 | } finally {
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297 | System.setProperty("java.version", javaVersion);
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298 | }
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299 | }
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300 |
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301 | /**
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302 | * Test {@link Utils#getJavaUpdate}
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303 | */
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304 | @Test
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305 | void testGetJavaUpdate() {
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306 | String javaVersion = System.getProperty("java.version");
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307 | try {
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308 | System.setProperty("java.version", "1.8.0");
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309 | assertEquals(0, Utils.getJavaUpdate());
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310 |
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311 | System.setProperty("java.version", "1.8.0_131");
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312 | assertEquals(131, Utils.getJavaUpdate());
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313 |
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314 | System.setProperty("java.version", "1.8.0_152-ea");
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315 | assertEquals(152, Utils.getJavaUpdate());
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316 |
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317 | System.setProperty("java.version", "9-ea");
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318 | assertEquals(0, Utils.getJavaUpdate());
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319 |
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320 | System.setProperty("java.version", "9");
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321 | assertEquals(0, Utils.getJavaUpdate());
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322 |
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323 | System.setProperty("java.version", "9.1.2");
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324 | assertEquals(1, Utils.getJavaUpdate());
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325 | } finally {
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326 | System.setProperty("java.version", javaVersion);
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327 | }
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328 | }
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329 |
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330 | /**
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331 | * Test {@link Utils#getJavaBuild}
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332 | */
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333 | @Test
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334 | void testGetJavaBuild() {
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335 | String javaVersion = System.getProperty("java.runtime.version");
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336 | try {
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337 | System.setProperty("java.runtime.version", "1.8.0_131-b11");
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338 | assertEquals(11, Utils.getJavaBuild());
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339 |
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340 | System.setProperty("java.runtime.version", "1.8.0_152-ea-b04");
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341 | assertEquals(4, Utils.getJavaBuild());
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342 |
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343 | System.setProperty("java.runtime.version", "9-ea+170");
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344 | assertEquals(170, Utils.getJavaBuild());
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345 |
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346 | System.setProperty("java.runtime.version", "9+200");
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347 | assertEquals(200, Utils.getJavaBuild());
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348 |
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349 | System.setProperty("java.runtime.version", "9.1.2+62");
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350 | assertEquals(62, Utils.getJavaBuild());
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351 |
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352 | // IBM version example
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353 | System.setProperty("java.runtime.version", "pwa6480sr4fp7-20170627_02 (SR4 FP7)");
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354 | assertEquals(0, Utils.getJavaBuild());
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355 |
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356 | } finally {
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357 | System.setProperty("java.runtime.version", javaVersion);
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358 | }
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359 | }
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360 |
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361 | /**
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362 | * Tests if readBytesFromStream handles null streams (might happen when there is no data on error stream)
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363 | * @throws IOException in case of I/O error
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364 | */
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365 | @Test
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366 | void testNullStreamForReadBytesFromStream() throws IOException {
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367 | assertEquals(0, Utils.readBytesFromStream(null).length, "Empty on null stream");
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368 | }
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369 |
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370 | /**
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371 | * Test of {@link Utils#getLevenshteinDistance} method.
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372 | */
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373 | @Test
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374 | void testLevenshteinDistance() {
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375 | assertEquals(0, Utils.getLevenshteinDistance("foo", "foo"));
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376 | assertEquals(3, Utils.getLevenshteinDistance("foo", "bar"));
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377 | assertEquals(1, Utils.getLevenshteinDistance("bar", "baz"));
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378 | assertEquals(3, Utils.getLevenshteinDistance("foo", ""));
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379 | assertEquals(3, Utils.getLevenshteinDistance("", "baz"));
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380 | assertEquals(2, Utils.getLevenshteinDistance("ABjoYZ", "ABsmYZ"));
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381 | }
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382 |
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383 | /**
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384 | * Test of {@link Utils#isSimilar} method.
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385 | */
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386 | @Test
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387 | void testIsSimilar() {
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388 | assertFalse(Utils.isSimilar("foo", "foo"));
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389 | assertFalse(Utils.isSimilar("foo", "bar"));
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390 | assertTrue(Utils.isSimilar("bar", "baz"));
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391 | assertTrue(Utils.isSimilar("bar", "baz"));
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392 | assertTrue(Utils.isSimilar("Rua São João", "Rua SAO Joao"));
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393 | }
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394 |
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395 | /**
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396 | * Test of {@link Utils#stripHtml(String)}
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397 | */
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398 | @Test
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399 | void testStripHtml() {
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400 | assertEquals("Hoogte 55 m", Utils.stripHtml(
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401 | "<table width=\"100%\"><tr>" +
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402 | "<td align=\"left\" valign=\"center\"><small><b>Hoogte</b></small></td>" +
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403 | "<td align=\"center\" valign=\"center\">55 m</td></tr></table>"));
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404 | }
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405 |
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406 | /**
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407 | * Test of {@link Utils#firstNonNull}
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408 | */
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409 | @Test
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410 | void testFirstNonNull() {
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411 | assertNull(Utils.firstNonNull());
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412 | assertNull(Utils.firstNonNull(null, null));
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413 | assertEquals("foo", Utils.firstNonNull(null, "foo", null));
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414 | }
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415 |
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416 | /**
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417 | * Test of {@link Utils#getMatches}
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418 | */
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419 | @Test
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420 | void testGetMatches() {
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421 | final Pattern pattern = Pattern.compile("(foo)x(bar)y(baz)");
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422 | assertNull(Utils.getMatches(pattern.matcher("")));
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423 | assertEquals(Arrays.asList("fooxbarybaz", "foo", "bar", "baz"), Utils.getMatches(pattern.matcher("fooxbarybaz")));
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424 | }
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425 |
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426 | /**
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427 | * Test of {@link Utils#encodeUrl}
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428 | */
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429 | @Test
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430 | void testEncodeUrl() {
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431 | assertEquals("%C3%A4%C3%B6%C3%BC%C3%9F", Utils.encodeUrl("äöüß"));
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432 | }
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433 |
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434 | /**
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435 | * Test of {@link Utils#encodeUrl}
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436 | */
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437 | @Test
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438 | void testEncodeUrlNull() {
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439 | assertThrows(NullPointerException.class, () -> Utils.encodeUrl(null));
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440 | }
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441 |
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442 | /**
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443 | * Test of {@link Utils#decodeUrl}
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444 | */
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445 | @Test
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446 | void testDecodeUrl() {
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447 | assertEquals("äöüß", Utils.decodeUrl("%C3%A4%C3%B6%C3%BC%C3%9F"));
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448 | }
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449 |
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450 | /**
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451 | * Test of {@link Utils#decodeUrl}
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452 | */
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453 | @Test
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454 | void testDecodeUrlNull() {
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455 | assertThrows(NullPointerException.class, () -> Utils.decodeUrl(null));
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456 | }
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457 |
|
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458 | /**
|
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459 | * Test of {@link Utils#clamp}
|
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460 | */
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461 | @Test
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462 | void testClamp() {
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463 | assertEquals(3, Utils.clamp(2, 3, 5));
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464 | assertEquals(3, Utils.clamp(3, 3, 5));
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465 | assertEquals(4, Utils.clamp(4, 3, 5));
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466 | assertEquals(5, Utils.clamp(5, 3, 5));
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467 | assertEquals(5, Utils.clamp(6, 3, 5));
|
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468 | assertEquals(3., Utils.clamp(2., 3., 5.), 1e-3);
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469 | assertEquals(3., Utils.clamp(3., 3., 5.), 1e-3);
|
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470 | assertEquals(4., Utils.clamp(4., 3., 5.), 1e-3);
|
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471 | assertEquals(5., Utils.clamp(5., 3., 5.), 1e-3);
|
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472 | assertEquals(5., Utils.clamp(6., 3., 5.), 1e-3);
|
---|
473 | }
|
---|
474 |
|
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475 | /**
|
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476 | * Test of {@link Utils#clamp}
|
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477 | */
|
---|
478 | @Test
|
---|
479 | void testClampIAE1() {
|
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480 | assertThrows(IllegalArgumentException.class, () -> Utils.clamp(0, 5, 4));
|
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481 | }
|
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482 |
|
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483 | /**
|
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484 | * Test of {@link Utils#clamp}
|
---|
485 | */
|
---|
486 | @Test
|
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487 | void testClampIAE2() {
|
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488 | assertThrows(IllegalArgumentException.class, () -> Utils.clamp(0., 5., 4.));
|
---|
489 | }
|
---|
490 |
|
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491 | /**
|
---|
492 | * Test of {@link Utils#hasExtension}
|
---|
493 | */
|
---|
494 | @Test
|
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495 | void testHasExtension() {
|
---|
496 | assertFalse(Utils.hasExtension("JOSM.txt"));
|
---|
497 | assertFalse(Utils.hasExtension("JOSM.txt", "jpg"));
|
---|
498 | assertFalse(Utils.hasExtension("JOSM.txt", ".jpg", ".txt"));
|
---|
499 | assertTrue(Utils.hasExtension("JOSM.txt", "jpg", "txt"));
|
---|
500 | assertTrue(Utils.hasExtension(new File("JOSM.txt"), "jpg", "txt"));
|
---|
501 | }
|
---|
502 |
|
---|
503 | /**
|
---|
504 | * Test of {@link Utils#toUnmodifiableList}
|
---|
505 | */
|
---|
506 | @Test
|
---|
507 | void testToUnmodifiableList() {
|
---|
508 | assertSame(Collections.emptyList(), Utils.toUnmodifiableList(null));
|
---|
509 | assertSame(Collections.emptyList(), Utils.toUnmodifiableList(Collections.emptyList()));
|
---|
510 | assertSame(Collections.emptyList(), Utils.toUnmodifiableList(new ArrayList<>()));
|
---|
511 | assertEquals(Collections.singletonList("foo"), Utils.toUnmodifiableList(new ArrayList<>(Collections.singletonList("foo"))));
|
---|
512 | assertEquals(Arrays.asList("foo", "bar", "baz"), Utils.toUnmodifiableList(Arrays.asList("foo", "bar", "baz")));
|
---|
513 | assertEquals(Arrays.asList("foo", "bar", "baz"), Utils.toUnmodifiableList(new ArrayList<>(Arrays.asList("foo", "bar", "baz"))));
|
---|
514 | assertEquals(Arrays.asList("foo", "bar", "baz"), Utils.toUnmodifiableList(new LinkedList<>(Arrays.asList("foo", "bar", "baz"))));
|
---|
515 | }
|
---|
516 |
|
---|
517 | /**
|
---|
518 | * Test of {@link Utils#toUnmodifiableMap}
|
---|
519 | */
|
---|
520 | @Test
|
---|
521 | void testToUnmodifiableMap() {
|
---|
522 | assertSame(Collections.emptyMap(), Utils.toUnmodifiableMap(null));
|
---|
523 | assertSame(Collections.emptyMap(), Utils.toUnmodifiableMap(Collections.emptyMap()));
|
---|
524 | assertSame(Collections.emptyMap(), Utils.toUnmodifiableMap(new HashMap<>()));
|
---|
525 | assertSame(Collections.emptyMap(), Utils.toUnmodifiableMap(new TreeMap<>()));
|
---|
526 | assertEquals(Collections.singletonMap("foo", "bar"), Utils.toUnmodifiableMap(new HashMap<>(Collections.singletonMap("foo", "bar"))));
|
---|
527 | assertEquals(Collections.singletonMap("foo", "bar"), Utils.toUnmodifiableMap(new TreeMap<>(Collections.singletonMap("foo", "bar"))));
|
---|
528 | final Map<String, String> map4 = new HashMap<>();
|
---|
529 | map4.put("jjj", "foo");
|
---|
530 | map4.put("ooo", "bar");
|
---|
531 | map4.put("sss", "baz");
|
---|
532 | map4.put("mmm", ":-)");
|
---|
533 | assertEquals(map4, Utils.toUnmodifiableMap(map4));
|
---|
534 | }
|
---|
535 |
|
---|
536 | /**
|
---|
537 | * Test of {@link Utils#execOutput}
|
---|
538 | * @throws Exception if an error occurs
|
---|
539 | */
|
---|
540 | @Test
|
---|
541 | void testExecOutput() throws Exception {
|
---|
542 | final String output = Utils.execOutput(Arrays.asList("echo", "Hello", "World"));
|
---|
543 | assertEquals("Hello World", output);
|
---|
544 | }
|
---|
545 | }
|
---|