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| 1 | +using System; |
| 2 | +using System.Collections.Generic; |
| 3 | +using Xunit; |
| 4 | + |
| 5 | +namespace FastSerializationTests |
| 6 | +{ |
| 7 | + /// <summary> |
| 8 | + /// Tests for GrowableArray<T> |
| 9 | + /// </summary> |
| 10 | + public class GrowableArrayTests |
| 11 | + { |
| 12 | + [Fact] |
| 13 | + public void DefaultConstructor() |
| 14 | + { |
| 15 | + var array = new GrowableArray<int>(); |
| 16 | + Assert.Equal(0, array.Count); |
| 17 | + } |
| 18 | + |
| 19 | + [Fact] |
| 20 | + public void InitialSizeConstructor() |
| 21 | + { |
| 22 | + var array = new GrowableArray<int>(10); |
| 23 | + Assert.Equal(0, array.Count); |
| 24 | + } |
| 25 | + |
| 26 | + [Fact] |
| 27 | + public void AddItems() |
| 28 | + { |
| 29 | + var array = new GrowableArray<int>(); |
| 30 | + array.Add(1); |
| 31 | + array.Add(2); |
| 32 | + array.Add(3); |
| 33 | + |
| 34 | + Assert.Equal(3, array.Count); |
| 35 | + Assert.Equal(1, array[0]); |
| 36 | + Assert.Equal(2, array[1]); |
| 37 | + Assert.Equal(3, array[2]); |
| 38 | + } |
| 39 | + |
| 40 | + [Fact] |
| 41 | + public void AddManyItems() |
| 42 | + { |
| 43 | + var array = new GrowableArray<int>(); |
| 44 | + for (int i = 0; i < 100; i++) |
| 45 | + { |
| 46 | + array.Add(i); |
| 47 | + } |
| 48 | + |
| 49 | + Assert.Equal(100, array.Count); |
| 50 | + for (int i = 0; i < 100; i++) |
| 51 | + { |
| 52 | + Assert.Equal(i, array[i]); |
| 53 | + } |
| 54 | + } |
| 55 | + |
| 56 | + [Fact] |
| 57 | + public void SetItem() |
| 58 | + { |
| 59 | + var array = new GrowableArray<string>(); |
| 60 | + array.Add("First"); |
| 61 | + array.Add("Second"); |
| 62 | + |
| 63 | + array[0] = "Modified"; |
| 64 | + Assert.Equal("Modified", array[0]); |
| 65 | + Assert.Equal("Second", array[1]); |
| 66 | + } |
| 67 | + |
| 68 | + [Fact] |
| 69 | + public void Clear() |
| 70 | + { |
| 71 | + var array = new GrowableArray<int>(); |
| 72 | + array.Add(1); |
| 73 | + array.Add(2); |
| 74 | + array.Add(3); |
| 75 | + |
| 76 | + array.Clear(); |
| 77 | + Assert.Equal(0, array.Count); |
| 78 | + } |
| 79 | + |
| 80 | + [Fact] |
| 81 | + public void SetCountLarger() |
| 82 | + { |
| 83 | + var array = new GrowableArray<int>(); |
| 84 | + array.Add(1); |
| 85 | + array.Add(2); |
| 86 | + |
| 87 | + array.Count = 5; |
| 88 | + Assert.Equal(5, array.Count); |
| 89 | + Assert.Equal(1, array[0]); |
| 90 | + Assert.Equal(2, array[1]); |
| 91 | + Assert.Equal(0, array[2]); |
| 92 | + Assert.Equal(0, array[3]); |
| 93 | + Assert.Equal(0, array[4]); |
| 94 | + } |
| 95 | + |
| 96 | + [Fact] |
| 97 | + public void SetCountSmaller() |
| 98 | + { |
| 99 | + var array = new GrowableArray<int>(); |
| 100 | + array.Add(1); |
| 101 | + array.Add(2); |
| 102 | + array.Add(3); |
| 103 | + array.Add(4); |
| 104 | + |
| 105 | + array.Count = 2; |
| 106 | + Assert.Equal(2, array.Count); |
| 107 | + Assert.Equal(1, array[0]); |
| 108 | + Assert.Equal(2, array[1]); |
| 109 | + } |
| 110 | + |
| 111 | + [Fact] |
| 112 | + public void AddRangeFromArray() |
| 113 | + { |
| 114 | + var array = new GrowableArray<int>(); |
| 115 | + array.Add(1); |
| 116 | + |
| 117 | + int[] toAdd = new int[] { 2, 3, 4, 5 }; |
| 118 | + array.AddRange(toAdd); |
| 119 | + |
| 120 | + Assert.Equal(5, array.Count); |
| 121 | + for (int i = 0; i < 5; i++) |
| 122 | + { |
| 123 | + Assert.Equal(i + 1, array[i]); |
| 124 | + } |
| 125 | + } |
| 126 | + |
| 127 | + [Fact] |
| 128 | + public void AddRangeFromGrowableArray() |
| 129 | + { |
| 130 | + var array1 = new GrowableArray<string>(); |
| 131 | + array1.Add("A"); |
| 132 | + array1.Add("B"); |
| 133 | + |
| 134 | + var array2 = new GrowableArray<string>(); |
| 135 | + array2.Add("C"); |
| 136 | + array2.Add("D"); |
| 137 | + |
| 138 | + // Convert to array to add |
| 139 | + string[] toAdd = new string[array2.Count]; |
| 140 | + for (int i = 0; i < array2.Count; i++) |
| 141 | + { |
| 142 | + toAdd[i] = array2[i]; |
| 143 | + } |
| 144 | + array1.AddRange(toAdd); |
| 145 | + |
| 146 | + Assert.Equal(4, array1.Count); |
| 147 | + Assert.Equal("A", array1[0]); |
| 148 | + Assert.Equal("B", array1[1]); |
| 149 | + Assert.Equal("C", array1[2]); |
| 150 | + Assert.Equal("D", array1[3]); |
| 151 | + } |
| 152 | + |
| 153 | + [Fact] |
| 154 | + public void WorksWithReferenceTypes() |
| 155 | + { |
| 156 | + var array = new GrowableArray<string>(); |
| 157 | + array.Add("Hello"); |
| 158 | + array.Add(null); |
| 159 | + array.Add("World"); |
| 160 | + |
| 161 | + Assert.Equal(3, array.Count); |
| 162 | + Assert.Equal("Hello", array[0]); |
| 163 | + Assert.Null(array[1]); |
| 164 | + Assert.Equal("World", array[2]); |
| 165 | + } |
| 166 | + |
| 167 | + [Fact] |
| 168 | + public void WorksWithValueTypes() |
| 169 | + { |
| 170 | + var array = new GrowableArray<double>(); |
| 171 | + array.Add(1.5); |
| 172 | + array.Add(2.5); |
| 173 | + array.Add(3.5); |
| 174 | + |
| 175 | + Assert.Equal(3, array.Count); |
| 176 | + Assert.Equal(1.5, array[0]); |
| 177 | + Assert.Equal(2.5, array[1]); |
| 178 | + Assert.Equal(3.5, array[2]); |
| 179 | + } |
| 180 | + } |
| 181 | +} |
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