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1 using LibrarySystem.Core;
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2 using LibrarySystem.Interfaces;
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3 using NUnit.Framework;
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4
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5 namespace LibrarySystem.Tests
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6 {
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7 [TestFixture]
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8 public class LibraryTests
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9 {
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10 /*
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11 * Factory that creates:
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12 * Library with 10 books (2 x Lord of the Flies, 3 x 1984, 5 x Brave New World)
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13 */
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14 private ILibrary CreateScenario()
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15 {
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16 #region Publisher
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17
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18 IPublisher penguin = new Publisher() {Name = "Penguin"};
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19
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20 #endregion
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21
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22 #region Publications
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23
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24 IPublication lordOfTheFlies = new Publication()
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25 {
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26 Author = "William Golding",
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27 ISBN = "0140283331",
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28 Publisher = penguin,
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29 Title = "Lord of the Flies"
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30 };
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31
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32 IPublication nineteenEightyFour = new Publication()
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33 {
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34 Author = "George Orwell",
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35 ISBN = "0452284236",
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36 Title = "Nineteen Eighty-Four"
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37 };
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38
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39 IPublication braveNewWorld = new Publication()
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40 {
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41 Author = "Aldous Huxley",
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42 ISBN = "0060850523",
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43 Title = "Brave New World"
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44 };
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45
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46 #endregion
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47
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48 #region Books
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49
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50 // Lord of the flies
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51 IBook book1 = new Book(lordOfTheFlies)
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52 {Id = "0000001", CurrentFee = 1.25m};
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53 IBook book2 = new Book(lordOfTheFlies)
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54 {Id = "0000002", CurrentFee = 1.25m};
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55 IBook book3 = new Book(lordOfTheFlies)
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56 {Id = "0000003", CurrentFee = 1.25m};
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57
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58 // 1984
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59 IBook book4 = new Book(nineteenEightyFour)
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60 {Id = "0000004", CurrentFee = 1.5m};
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61 IBook book5 = new Book(nineteenEightyFour)
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62 {Id = "0000005", CurrentFee = 1.5m};
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63
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64 // Brave new world
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65 IBook book6 = new Book(braveNewWorld)
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66 {Id = "0000006", CurrentFee = 1.8m};
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67 IBook book7 = new Book(braveNewWorld)
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68 {Id = "0000007", CurrentFee = 1.8m};
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69 IBook book8 = new Book(braveNewWorld)
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70 {Id = "0000008", CurrentFee = 1.8m};
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71 IBook book9 = new Book(braveNewWorld)
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72 {Id = "0000009", CurrentFee = 1.8m};
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73 IBook book10 = new Book(braveNewWorld)
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74 {Id = "0000010", CurrentFee = 1.8m};
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75
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76 #endregion
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77
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78 #region Library
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79
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80 ILibrary library = new Library();
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81 library.Location = "Leicester Square";
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82 library.AddStock(book1, book2, book3, book4, book5, book6, book7, book8, book9, book10);
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83
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84 #endregion
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85
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86 return library;
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87 }
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88
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89 [Test]
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90 public void AddStockShouldIncreaseStockListCountByOne()
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91 {
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92 //arrange
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93 var library = new Library();
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94 var expected = library.StockList.Count + 1;
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95 var dummyBook = new Book(new Publication());
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96
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97 //act
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98 library.AddStock(dummyBook);
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99 var actual = library.StockList.Count;
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100
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101 //assert
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102 Assert.AreEqual(expected, actual);
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103 }
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104
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105 [Test]
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106 public void SearchForAvailableBookByIBSNShouldReturnTrue()
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107 {
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108 var library = CreateScenario();
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109
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110 // Lord of the flies
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111 var validISBN = "0140283331";
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112
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113 var actual = library.IsBookAvailableByISBN(validISBN);
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114
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115 Assert.IsTrue(actual);
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116 }
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117
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118 [Test]
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119 public void SearchForUnavailableBookByIBSNShouldReturnFalse()
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120 {
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121 var library = CreateScenario();
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122
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123 // rubbish data
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124 var invalidISBN = "X";
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125
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126 var actual = library.IsBookAvailableByISBN(invalidISBN);
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127
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128 Assert.IsFalse(actual);
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129 }
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130
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131 [Test]
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132 public void FindBooksByValidSearchTitleString()
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133 {
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134 var library = CreateScenario();
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135
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136 // good search string
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137 var searchString = "Flies";
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138
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139 // number of Lord of the Flies books expected
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140 var expected = 3;
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141 var actual = library.FindBooks(searchString).Count;
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142
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143 Assert.AreEqual(expected, actual);
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144 }
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145
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146
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147 [Test]
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148 public void FindBooksByValidSearchTitleStringLowerCase()
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149 {
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150 var library = CreateScenario();
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151
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152 // good search string
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153 var searchString = "flies";
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154
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155 // number of Lord of the Flies books expected
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156 var expected = 3;
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157 var actual = library.FindBooks(searchString).Count;
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158
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159 Assert.AreEqual(expected, actual);
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160 }
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161
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162 [Test]
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163 public void FindBooksByValidSearchStringMultiplePublications()
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164 {
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165 var library = CreateScenario();
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166
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167 // good search string
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168 var searchString = "e";
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169
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170 // number of Lord of the Flies books expected
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171 var expected = 10;
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172 var actual = library.FindBooks(searchString).Count;
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173
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174 Assert.AreEqual(expected, actual);
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175 }
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176
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177 [Test]
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178 public void FindBooksByValidSearchAuthorString()
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179 {
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180 var library = CreateScenario();
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181
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182 // number of Brave New World books expected
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183 var expected = 5;
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184 var searchString = "ldous";
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185
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186 var actual = library.FindBooks(searchString).Count;
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187
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188 Assert.AreEqual(expected, actual);
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189 }
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190
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191 [Test]
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192 public void FindBooksByInvalidSearchString()
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193 {
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194 var library = CreateScenario();
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195
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196 // rubbish data
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197 var searchString = "XYZ";
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198
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199 var actual = library.FindBooks(searchString);
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200
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201 Assert.IsEmpty(actual);
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202 }
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203 }
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204 }
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