public void ClrType_Basics()
{
var @object = new ClrType(typeof(object));
var @string = new ClrType(typeof(string));
var int32 = new ClrType(typeof(int));
Assert.IsTrue(@object.IsAssignableTo(@object));
Assert.IsTrue(@string.IsAssignableTo(@string));
Assert.IsTrue(int32.IsAssignableTo(int32));
Assert.IsTrue(@string.IsAssignableTo(@object));
Assert.IsTrue(int32.IsAssignableTo(@object));
Assert.IsFalse(int32.IsAssignableTo(@string));
Assert.IsFalse(@string.IsAssignableTo(int32));
Assert.IsFalse(@object.IsAssignableTo(int32));
Assert.IsFalse(@object.IsAssignableTo(@string));
Assert.IsTrue(int32.Equals(int32));
Assert.IsTrue(int32.Equals((object)int32));
Assert.IsFalse(int32.Equals(@string));
Assert.IsFalse(int32.Equals((object)@string));
Assert.IsFalse(@string.Equals(int32));
Assert.AreEqual(int32.GetHashCode(), new ClrType(typeof(int)).GetHashCode());
Assert.AreEqual("System.Object", @object.ToString());
Assert.AreEqual("System.String", @string.ToString());
Assert.AreEqual("System.Int32", int32.ToString());
}
public void ClrType_CrossTypeSystemCheck()
{
var myType = new MyType();
var int32 = new ClrType(typeof(int));
Assert.ThrowsException <InvalidOperationException>(() => int32.IsAssignableTo(myType));
Assert.ThrowsException <InvalidOperationException>(() => int32.Equals(myType));
}
public void ClrType_Interfaces()
{
var arrayList = new ClrType(typeof(ArrayList));
var iList = new ClrType(typeof(IList));
var iEnumerable = new ClrType(typeof(IEnumerable));
var @object = new ClrType(typeof(object));
Assert.IsTrue(arrayList.IsAssignableTo(iList));
Assert.IsTrue(arrayList.IsAssignableTo(iEnumerable));
Assert.IsTrue(arrayList.IsAssignableTo(@object));
Assert.IsTrue(iList.IsAssignableTo(iEnumerable));
Assert.IsTrue(iList.IsAssignableTo(@object));
Assert.IsFalse(iEnumerable.IsAssignableTo(iList));
Assert.AreEqual("System.Collections.ArrayList", arrayList.ToString());
Assert.AreEqual("System.Collections.IList", iList.ToString());
Assert.AreEqual("System.Collections.IEnumerable", iEnumerable.ToString());
}
public void ClrType_Void()
{
var int32 = new ClrType(typeof(int));
Assert.IsTrue(ClrType.Void.IsAssignableTo(ClrType.Void));
Assert.IsFalse(ClrType.Void.IsAssignableTo(int32));
Assert.IsFalse(int32.IsAssignableTo(ClrType.Void)); // Counter-intuitive but true
Assert.IsTrue(int32.Equals(int32));
Assert.IsFalse(int32.Equals(42));
}