IsSimpleType added to PropertiesExtensions

VahidFarahmandian · Mar 9, 2025 · 59badfe · 59badfe
1 parent f01f2d3
commit 59badfe
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Showing 2 changed files with 57 additions and 1 deletion.
diff --git a/01-Core/Jinget.Core/ExtensionMethods/Reflection/PropertiesExtensions.cs b/01-Core/Jinget.Core/ExtensionMethods/Reflection/PropertiesExtensions.cs
@@ -26,7 +26,13 @@ private static IEnumerable<PropertyInfo> GetDeclaredProperties(Type t) =>
         t.GetTypeInfo().DeclaredProperties;
 #endif
 
-    private static bool IsSimpleType(Type? t)
+    /// <summary>
+    /// Determines whether a given type is considered a simple type.
+    /// Simple types include primitive types, decimal, string, Guid, DateTime, enums, byte arrays, and their nullable counterparts.
+    /// </summary>
+    /// <param name="type">The type to check.</param>
+    /// <returns>True if the type is a simple type; otherwise, false.</returns>
+    public static bool IsSimpleType(Type? t)
     {
         while (true)
         {

diff --git a/Tests/Jinget.Core.Tests/ExtensionMethods/Reflection/PropertiesExtensionsTests.cs b/Tests/Jinget.Core.Tests/ExtensionMethods/Reflection/PropertiesExtensionsTests.cs
@@ -3,6 +3,56 @@
 [TestClass]
 public class PropertiesExtensionsTests
 {
+    enum MyEnum { Value1, Value2 }
+    class MyClass { }
+    struct MyStruct { public int Value; }
+
+    [TestMethod]
+    public void IsSimpleType_PrimitiveTypes_ReturnsTrue()
+    {
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(int)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(bool)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(char)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(double)));
+    }
+
+    [TestMethod]
+    public void IsSimpleType_DecimalStringGuidDateTimeByteArrayEnum_ReturnsTrue()
+    {
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(decimal)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(string)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(Guid)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(DateTime)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(byte[])));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(MyEnum)));
+    }
+
+    [TestMethod]
+    public void IsSimpleType_NullableTypes_ReturnsTrue()
+    {
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(int?)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(decimal?)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(Guid?)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(DateTime?)));
+        Assert.IsTrue(PropertiesExtensions.IsSimpleType(typeof(MyEnum?)));
+    }
+
+    [TestMethod]
+    public void IsSimpleType_NonSimpleTypes_ReturnsFalse()
+    {
+        Assert.IsFalse(PropertiesExtensions.IsSimpleType(typeof(object)));
+        Assert.IsFalse(PropertiesExtensions.IsSimpleType(typeof(MyClass)));
+        Assert.IsFalse(PropertiesExtensions.IsSimpleType(typeof(MyStruct)));
+        Assert.IsFalse(PropertiesExtensions.IsSimpleType(typeof(int[,]))); // multidimensional array
+        Assert.IsFalse(PropertiesExtensions.IsSimpleType(typeof(int[]))); // one dimensional array that is not byte[]
+    }
+
+    [TestMethod]
+    public void IsSimpleType_NullType_ReturnsFalse()
+    {
+        Assert.IsFalse(PropertiesExtensions.IsSimpleType(null));
+    }
+
     [TestMethod]
     public void Should_return_true_for_nullable_type()
     {