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1 using System;
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2
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3 using NUnit.Framework;
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4
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5 using BLToolkit.Mapping;
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6
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7 namespace Mapping
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8 {
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9 [TestFixture]
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10 public class NullableAttributeTest
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11 {
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12 public abstract class Object1
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13 {
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14 [NotNull] public abstract string Str1 { get; set; }
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15 [Nullable] public abstract string Str2 { get; set; }
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16 [NullValue("(null)")] public abstract string Str3 { get; set; }
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17 [NullValue(typeof(DBNull))] public abstract string Str4 { get; set; }
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18 }
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19
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20 [Test]
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21 public void TestString1()
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22 {
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23 var om = Map.GetObjectMapper(typeof(Object1));
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24 var o = (Object1)om.CreateInstance();
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25
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26 om.SetValue(o, "Str1", null);
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27 om.SetValue(o, "Str2", null);
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28 om.SetValue(o, "Str3", null);
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29 om.SetValue(o, "Str4", null);
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30
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31 Assert.AreEqual("", o.Str1);
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32 Assert.AreEqual("", o.Str2);
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33 Assert.AreEqual("(null)", o.Str3);
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34 Assert.IsNull (o.Str4);
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35
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36 Assert.IsNotNull(om.GetValue(o, "Str1"));
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37 Assert.IsNull (om.GetValue(o, "Str2"));
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38 Assert.IsNull (om.GetValue(o, "Str3"));
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39 Assert.IsNull (om.GetValue(o, "Str4"));
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40 }
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41
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42 [NullValue(typeof(string), "(null)")]
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43 [NullValue(typeof(bool), false)]
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44 public abstract class Object2
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45 {
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46 [Nullable(false)]
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47 public abstract string Str1 { get; set; }
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48 [NullValue("")]
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49 public abstract string Str2 { get; set; }
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50 public abstract string Str3 { get; set; }
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51 [NullValue(typeof(DBNull))]
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52 public abstract string Str4 { get; set; }
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53 }
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54
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55 [Test]
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56 public void TestString2()
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57 {
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58 ObjectMapper om = Map.GetObjectMapper(typeof(Object2));
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59
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60 Object2 o = (Object2)om.CreateInstance();
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61
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62 om.SetValue(o, "Str1", null);
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63 om.SetValue(o, "Str2", null);
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64 om.SetValue(o, "Str3", null);
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65 om.SetValue(o, "Str4", null);
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66
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67 Assert.AreEqual("", o.Str1);
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68 Assert.AreEqual("", o.Str2);
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69 Assert.AreEqual("(null)", o.Str3);
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70 Assert.IsNull (o.Str4);
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71
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72 Assert.IsNotNull(om.GetValue(o, "Str1"));
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73 Assert.IsNull (om.GetValue(o, "Str2"));
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74 Assert.IsNull (om.GetValue(o, "Str3"));
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75 Assert.IsNull (om.GetValue(o, "Str4"));
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76 }
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77
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78 [Nullable(typeof(string))]
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79 public abstract class Object3
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80 {
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81 [Nullable(false)]
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82 public abstract string Str1 { get; set; }
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83 public abstract string Str2 { get; set; }
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84 [NullValue("(null)")]
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85 public abstract string Str3 { get; set; }
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86 [NullValue(typeof(DBNull))]
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87 public abstract string Str4 { get; set; }
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88 }
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89
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90 [Test]
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91 public void TestString3()
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92 {
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93 ObjectMapper om = Map.GetObjectMapper(typeof(Object3));
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94
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95 Object3 o = (Object3)om.CreateInstance();
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96
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97 om.SetValue(o, "Str1", null);
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98 om.SetValue(o, "Str2", null);
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99 om.SetValue(o, "Str3", null);
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100 om.SetValue(o, "Str4", null);
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101
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102 Assert.AreEqual("", o.Str1);
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103 Assert.AreEqual("", o.Str2);
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104 Assert.AreEqual("(null)", o.Str3);
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105 Assert.IsNull (o.Str4);
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106
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107 Assert.IsNotNull(om.GetValue(o, "Str1"));
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108 Assert.IsNull (om.GetValue(o, "Str2"));
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109 Assert.IsNull (om.GetValue(o, "Str3"));
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110 Assert.IsNull (om.GetValue(o, "Str4"));
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111 }
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112
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113 [NullValue("(null)")]
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114 public abstract class Object4
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115 {
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116 [Nullable(false)]
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117 public abstract string Str1 { get; set; }
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118 [NullValue("")]
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119 public abstract string Str2 { get; set; }
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120 public abstract string Str3 { get; set; }
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121 [NullValue(typeof(DBNull))]
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122 public abstract string Str4 { get; set; }
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123 }
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124
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125 [Test]
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126 public void TestString4()
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127 {
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128 ObjectMapper om = Map.GetObjectMapper(typeof(Object2));
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129
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130 Object2 o = (Object2)om.CreateInstance();
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131
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132 om.SetValue(o, "Str1", null);
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133 om.SetValue(o, "Str2", "2");
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134 om.SetValue(o, "Str3", null);
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135 om.SetValue(o, "Str4", null);
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136
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137 Assert.AreEqual("", o.Str1);
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138 Assert.AreEqual("2", o.Str2);
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139 Assert.AreEqual("(null)", o.Str3);
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140 Assert.IsNull (o.Str4);
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141
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142 Assert.IsNotNull( om.GetValue(o, "Str1"));
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143 Assert.AreEqual ("2", om.GetValue(o, "Str2"));
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144 Assert.IsNull ( om.GetValue(o, "Str3"));
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145 Assert.IsNull ( om.GetValue(o, "Str4"));
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146 }
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147
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148 public class Object5
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149 {
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150 public int Int1;
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151 [Nullable]
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152 public int Int2;
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153 [NullValue(int.MinValue)]
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154 public int Int3;
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155 }
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156
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157 [Test]
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158 public void TestPrimitive()
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159 {
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160 ObjectMapper om = Map.GetObjectMapper(typeof(Object5));
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161
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162 Object5 o = (Object5)om.CreateInstance();
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163
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164 om.SetValue(o, "Int1", null);
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165 om.SetValue(o, "Int2", null);
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166 om.SetValue(o, "Int3", null);
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167
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168 Assert.AreEqual(0, o.Int1);
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169 Assert.AreEqual(0, o.Int2);
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170 Assert.AreEqual(int.MinValue, o.Int3);
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171
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172 Assert.IsNotNull(om.GetValue(o, "Int1"));
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173 Assert.IsNull (om.GetValue(o, "Int2"));
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174 Assert.IsNull (om.GetValue(o, "Int3"));
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175 }
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176
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177 [NullValue("(null)")]
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178 public class Object6
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179 {
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180 public string String1;
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181 }
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182
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183 [NullValue("(derived null)")]
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184 public class Object6Derived : Object6
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185 {
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186 }
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187
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188 [Test]
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189 public void TestDerivedNull()
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190 {
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191 ObjectMapper om = Map.GetObjectMapper(typeof(Object6Derived));
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192 Object6Derived o = (Object6Derived) om.CreateInstance();
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193
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194 om.SetValue(o, "String1", null);
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195 Console.WriteLine(o.String1);
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196 }
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197 }
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198 }
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