// Author:
// Gert Driesen (drieseng@users.sourceforge.net)
//
-// (C) 2004 Novell
+// (C) 2004-2007 Gert Driesen
//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
using System;
-using System.Reflection;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Threading;
+#if !MONOTOUCH
+using System.Reflection.Emit;
+#endif
+using System.IO;
using NUnit.Framework;
public class PropertyInfoTest
{
[Test]
- public void GetAccessorsTest()
+ public void GetAccessorsTest ()
{
- Type type = typeof(TestClass);
+ Type type = typeof (TestClass);
PropertyInfo property = type.GetProperty ("ReadOnlyProperty");
- MethodInfo[] methods = property.GetAccessors (true);
- Assert.AreEqual (1, methods.Length, "GetAccessors#1");
- Assert.IsNotNull (methods[0], "GetAccessors#2");
-
- }
+ MethodInfo [] methods = property.GetAccessors (true);
+ Assert.AreEqual (1, methods.Length, "#A1");
+ Assert.IsNotNull (methods [0], "#A2");
+ Assert.AreEqual ("get_ReadOnlyProperty", methods [0].Name, "#A3");
+
+ methods = property.GetAccessors (false);
+ Assert.AreEqual (1, methods.Length, "#B1");
+ Assert.IsNotNull (methods [0], "#B2");
+ Assert.AreEqual ("get_ReadOnlyProperty", methods [0].Name, "#B3");
+
+ property = typeof (Base).GetProperty ("P");
+
+ methods = property.GetAccessors (true);
+ Assert.AreEqual (2, methods.Length, "#C1");
+ Assert.IsNotNull (methods [0], "#C2");
+ Assert.IsNotNull (methods [1], "#C3");
+ Assert.IsTrue (HasMethod (methods, "get_P"), "#C4");
+ Assert.IsTrue (HasMethod (methods, "set_P"), "#C5");
+
+ methods = property.GetAccessors (false);
+ Assert.AreEqual (2, methods.Length, "#D1");
+ Assert.IsNotNull (methods [0], "#D2");
+ Assert.IsNotNull (methods [1], "#D3");
+ Assert.IsTrue (HasMethod (methods, "get_P"), "#D4");
+ Assert.IsTrue (HasMethod (methods, "set_P"), "#D5");
+
+ methods = property.GetAccessors ();
+ Assert.AreEqual (2, methods.Length, "#E1");
+ Assert.IsNotNull (methods [0], "#E2");
+ Assert.IsNotNull (methods [1], "#E3");
+ Assert.IsTrue (HasMethod (methods, "get_P"), "#E4");
+ Assert.IsTrue (HasMethod (methods, "set_P"), "#E5");
+
+ property = typeof (TestClass).GetProperty ("Private",
+ BindingFlags.NonPublic | BindingFlags.Instance);
+
+ methods = property.GetAccessors (true);
+ Assert.AreEqual (2, methods.Length, "#F1");
+ Assert.IsNotNull (methods [0], "#F2");
+ Assert.IsNotNull (methods [1], "#F3");
+ Assert.IsTrue (HasMethod (methods, "get_Private"), "#F4");
+ Assert.IsTrue (HasMethod (methods, "set_Private"), "#F5");
+
+ methods = property.GetAccessors (false);
+ Assert.AreEqual (0, methods.Length, "#G");
+
+ methods = property.GetAccessors ();
+ Assert.AreEqual (0, methods.Length, "#H");
#if NET_2_0
+ property = typeof (TestClass).GetProperty ("PrivateSetter");
+
+ methods = property.GetAccessors (true);
+ Assert.AreEqual (2, methods.Length, "#H1");
+ Assert.IsNotNull (methods [0], "#H2");
+ Assert.IsNotNull (methods [1], "#H3");
+ Assert.IsTrue (HasMethod (methods, "get_PrivateSetter"), "#H4");
+ Assert.IsTrue (HasMethod (methods, "set_PrivateSetter"), "#H5");
+
+ methods = property.GetAccessors (false);
+ Assert.AreEqual (1, methods.Length, "#I1");
+ Assert.IsNotNull (methods [0], "#I2");
+ Assert.AreEqual ("get_PrivateSetter", methods [0].Name, "#I3");
+
+ methods = property.GetAccessors ();
+ Assert.AreEqual (1, methods.Length, "#J1");
+ Assert.IsNotNull (methods [0], "#J2");
+ Assert.AreEqual ("get_PrivateSetter", methods [0].Name, "#J3");
+#endif
+ }
+
+ [Test]
+ public void GetCustomAttributes ()
+ {
+ object [] attrs;
+ PropertyInfo p = typeof (Base).GetProperty ("P");
+
+ attrs = p.GetCustomAttributes (false);
+ Assert.AreEqual (1, attrs.Length, "#A1");
+ Assert.AreEqual (typeof (ThisAttribute), attrs [0].GetType (), "#A2");
+ attrs = p.GetCustomAttributes (true);
+ Assert.AreEqual (1, attrs.Length, "#A3");
+ Assert.AreEqual (typeof (ThisAttribute), attrs [0].GetType (), "#A4");
+
+ p = typeof (Base).GetProperty ("T");
+
+ attrs = p.GetCustomAttributes (false);
+ Assert.AreEqual (2, attrs.Length, "#B1");
+ Assert.IsTrue (HasAttribute (attrs, typeof (ThisAttribute)), "#B2");
+ Assert.IsTrue (HasAttribute (attrs, typeof (ComVisibleAttribute)), "#B3");
+ attrs = p.GetCustomAttributes (true);
+ Assert.AreEqual (2, attrs.Length, "#B41");
+ Assert.IsTrue (HasAttribute (attrs, typeof (ThisAttribute)), "#B5");
+ Assert.IsTrue (HasAttribute (attrs, typeof (ComVisibleAttribute)), "#B6");
+
+ p = typeof (Base).GetProperty ("Z");
+
+ attrs = p.GetCustomAttributes (false);
+ Assert.AreEqual (0, attrs.Length, "#C1");
+ attrs = p.GetCustomAttributes (true);
+ Assert.AreEqual (0, attrs.Length, "#C2");
+ }
+
+ [Test]
+ public void GetCustomAttributes_Inherited ()
+ {
+ object [] attrs;
+ PropertyInfo p = typeof (Derived).GetProperty ("P");
+
+ attrs = p.GetCustomAttributes (false);
+ Assert.AreEqual (0, attrs.Length, "#A1");
+ attrs = p.GetCustomAttributes (true);
+ Assert.AreEqual (0, attrs.Length, "#A3");
+
+ p = typeof (Derived).GetProperty ("T");
+
+ attrs = p.GetCustomAttributes (false);
+ Assert.AreEqual (2, attrs.Length, "#B1");
+ Assert.IsTrue (HasAttribute (attrs, typeof (ThisAttribute)), "#B2");
+ Assert.IsTrue (HasAttribute (attrs, typeof (ComVisibleAttribute)), "#B3");
+ attrs = p.GetCustomAttributes (true);
+ Assert.AreEqual (2, attrs.Length, "#B41");
+ Assert.IsTrue (HasAttribute (attrs, typeof (ThisAttribute)), "#B5");
+ Assert.IsTrue (HasAttribute (attrs, typeof (ComVisibleAttribute)), "#B6");
+
+ p = typeof (Derived).GetProperty ("Z");
+
+ attrs = p.GetCustomAttributes (false);
+ Assert.AreEqual (0, attrs.Length, "#C1");
+ attrs = p.GetCustomAttributes (true);
+ Assert.AreEqual (0, attrs.Length, "#C2");
+ }
+
+ [Test]
+ public void IsDefined_AttributeType_Null ()
+ {
+ Type derived = typeof (Derived);
+ PropertyInfo pi = derived.GetProperty ("P");
+
+ try {
+ pi.IsDefined ((Type) null, false);
+ Assert.Fail ("#1");
+ } catch (ArgumentNullException ex) {
+ Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
+ Assert.IsNull (ex.InnerException, "#3");
+ Assert.IsNotNull (ex.Message, "#4");
+ Assert.IsNotNull (ex.ParamName, "#5");
+ Assert.AreEqual ("attributeType", ex.ParamName, "#6");
+ }
+ }
+
+ [Test]
+ public void AccessorsReflectedType ()
+ {
+ PropertyInfo pi = typeof (Derived).GetProperty ("T");
+ Assert.AreEqual (typeof (Derived), pi.GetGetMethod ().ReflectedType);
+ Assert.AreEqual (typeof (Derived), pi.GetSetMethod ().ReflectedType);
+ }
+
+ [Test] // bug #399985
+ public void SetValue_Enum ()
+ {
+ TestClass t = new TestClass ();
+ PropertyInfo pi = t.GetType ().GetProperty ("Targets");
+ pi.SetValue (t, AttributeTargets.Field, null);
+ Assert.AreEqual (AttributeTargets.Field, t.Targets, "#1");
+ pi.SetValue (t, (int) AttributeTargets.Interface, null);
+ Assert.AreEqual (AttributeTargets.Interface, t.Targets, "#2");
+ }
+
+ public class ThisAttribute : Attribute
+ {
+ }
- public class A<T>
+ class Base
+ {
+ [ThisAttribute]
+ public virtual string P {
+ get { return null; }
+ set { }
+ }
+
+ [ThisAttribute]
+ [ComVisible (false)]
+ public virtual string T {
+ get { return null; }
+ set { }
+ }
+
+ public virtual string Z {
+ get { return null; }
+ set { }
+ }
+ }
+
+ class Derived : Base
+ {
+ public override string P {
+ get { return null; }
+ set { }
+ }
+ }
+
+ static void RunTest (Type t, bool use_getter) {
+ var p = t.GetProperty ("Item");
+ var idx = p.GetIndexParameters ();
+ var m_args = t.GetMethod (use_getter ? "get_Item" : "set_Item").GetParameters ();
+
+ Assert.AreEqual (2, idx.Length, "#1");
+
+ Assert.AreEqual (typeof (double), idx [0].ParameterType, "#2");
+ Assert.AreEqual (p, idx [0].Member, "#3");
+ Assert.AreEqual ("a", idx [0].Name, "#4");
+ Assert.AreEqual (0, idx [0].Position, "#5");
+ Assert.AreEqual (m_args [0].MetadataToken, idx [0].MetadataToken, "#6");
+ Assert.AreEqual (ParameterAttributes.None, idx [0].Attributes, "#7");
+
+ Assert.AreEqual (typeof (string), idx [1].ParameterType, "#8");
+ Assert.AreEqual (p, idx [1].Member, "#9");
+ Assert.AreEqual ("b", idx [1].Name, "#10");
+ Assert.AreEqual (1, idx [1].Position, "#11");
+ Assert.AreEqual (m_args [1].MetadataToken, idx [1].MetadataToken, "#12");
+ Assert.AreEqual (ParameterAttributes.None, idx [1].Attributes, "#13");
+
+ var idx2 = p.GetIndexParameters ();
+
+ //No interning exposed
+ Assert.AreNotSame (idx, idx2, "#14");
+ Assert.AreNotSame (idx [0], idx2 [1], "#15");
+ }
+
+ [Test]
+ public void GetIndexParameterReturnsObjectsBoundToTheProperty ()
+ {
+ RunTest (typeof (TestA), false);
+ RunTest (typeof (TestB), true);
+ }
+
+ public class TestA {
+ public int this[double a, string b] {
+ set {}
+ }
+ }
+
+ public class TestB {
+ public int this[double a, string b] {
+ get { return 1; }
+ set {}
+ }
+ }
+
+ [Test]
+ public void GetIndexParameterReturnedObjectsCustomAttributes () {
+ var pa = typeof (TestC).GetProperty ("Item").GetIndexParameters () [0];
+ Assert.IsTrue (pa.IsDefined (typeof (ParamArrayAttribute), false), "#1");
+
+ var pb = typeof (TestD).GetProperty ("Item").GetIndexParameters () [0];
+ Assert.IsTrue (pb.IsDefined (typeof (ParamArrayAttribute), false), "#2");
+
+ Assert.AreEqual (1, Attribute.GetCustomAttributes (pa).Length, "#3");
+ Assert.AreEqual (1, Attribute.GetCustomAttributes (pb).Length, "#4");
+
+ Assert.AreEqual (0, pa.GetOptionalCustomModifiers ().Length, "#5");
+ Assert.AreEqual (0, pb.GetRequiredCustomModifiers ().Length, "#6");
+ }
+
+ public class TestC {
+ public int this[params double[] a] {
+ get { return 99; }
+ }
+ }
+
+ public class TestD {
+ public int this[params double[] a] {
+ set { }
+ }
+ }
+
+ static string CreateTempAssembly ()
+ {
+ FileStream f = null;
+ string path;
+ Random rnd;
+ int num = 0;
+
+ rnd = new Random ();
+ do {
+ num = rnd.Next ();
+ num++;
+ path = Path.Combine (Path.GetTempPath (), "tmp" + num.ToString ("x") + ".dll");
+
+ try {
+ f = new FileStream (path, FileMode.CreateNew);
+ } catch { }
+ } while (f == null);
+
+ f.Close ();
+
+
+ return "tmp" + num.ToString ("x") + ".dll";
+ }
+
+ public class TestE {
+ public int PropE {
+ get { return 99; }
+ }
+ }
+#if !MONOTOUCH
+ [Test]
+ public void ConstantValue () {
+ /*This test looks scary because we can't generate a default value with C# */
+ var assemblyName = new AssemblyName ();
+ assemblyName.Name = "MonoTests.System.Reflection.Emit.PropertyInfoTest";
+ string an = CreateTempAssembly ();
+
+ var assembly = Thread.GetDomain ().DefineDynamicAssembly (assemblyName, AssemblyBuilderAccess.RunAndSave, Path.GetTempPath ());
+ var module = assembly.DefineDynamicModule ("module1", an);
+
+ var tb = module.DefineType ("Test", TypeAttributes.Public);
+ var prop = tb.DefineProperty ("Prop", PropertyAttributes.HasDefault, typeof (string), new Type [0]);
+
+ var getter = tb.DefineMethod ("get_Prop", MethodAttributes.Public, typeof (string), new Type [0]);
+ var ilgen = getter.GetILGenerator ();
+ ilgen.Emit (OpCodes.Ldnull);
+ ilgen.Emit (OpCodes.Ret);
+
+ var setter = tb.DefineMethod ("set_Prop", MethodAttributes.Public, null, new Type [1] { typeof (string) });
+ setter.GetILGenerator ().Emit (OpCodes.Ret);
+
+ prop.SetConstant ("test");
+ prop.SetGetMethod (getter);
+ prop.SetSetMethod (setter);
+
+ tb.CreateType ();
+
+ File.Delete (Path.Combine (Path.GetTempPath (), an));
+ assembly.Save (an);
+
+ var asm = Assembly.LoadFrom (Path.Combine (Path.GetTempPath (), an));
+ var t = asm.GetType ("Test");
+ var p = t.GetProperty ("Prop");
+ Assert.AreEqual ("test", p.GetConstantValue (), "#1");
+
+ File.Delete (Path.Combine (Path.GetTempPath (), an));
+
+ var pa = typeof (TestE).GetProperty ("PropE");
+ try {
+ pa.GetConstantValue ();
+ Assert.Fail ("#2");
+ } catch (InvalidOperationException) {
+ }
+ }
+#endif
+
+ public class A<T>
{
public string Property {
get { return typeof (T).FullName; }
PropertyInfo property = type.GetProperty ("Property");
Assert.AreEqual (typeof (string).FullName, property.GetValue (instance, null));
}
+
+ [Test]
+ public void ToStringTest ()
+ {
+ var pa = typeof (TestC).GetProperty ("Item");
+ Assert.AreEqual ("Int32 Item [Double[]]", pa.ToString ());
+ }
+
+ static bool HasAttribute (object [] attrs, Type attributeType)
+ {
+ foreach (object attr in attrs)
+ if (attr.GetType () == attributeType)
+ return true;
+ return false;
+ }
+
+ static bool HasMethod (MethodInfo [] methods, string name)
+ {
+ foreach (MethodInfo method in methods)
+ if (method.Name == name)
+ return true;
+ return false;
+ }
+
+ private class TestClass
+ {
+ private AttributeTargets _targets = AttributeTargets.Assembly;
+
+ public AttributeTargets Targets {
+ get { return _targets; }
+ set { _targets = value; }
+ }
+
+ public string ReadOnlyProperty {
+ get { return string.Empty; }
+ }
+
+ private string Private {
+ get { return null; }
+ set { }
+ }
+
+#if NET_2_0
+ public string PrivateSetter {
+ get { return null; }
+ private set { }
+ }
#endif
+ }
+
+ [Test] // bug #633671
+ public void DeclaringTypeOfPropertyFromInheritedTypePointsToBase ()
+ {
+ var inherit1 = typeof(InheritsFromClassWithNullableDateTime);
+ var siblingProperty = inherit1.GetProperty("Property1");
- private class TestClass
+ Assert.AreEqual (typeof (ClassWithNullableDateTime), siblingProperty.DeclaringType, "#1");
+ Assert.AreEqual (typeof (InheritsFromClassWithNullableDateTime), siblingProperty.ReflectedType, "#2");
+
+ //The check is done twice since the bug is related to getting those 2 properties multiple times.
+ Assert.AreEqual (typeof (ClassWithNullableDateTime), siblingProperty.DeclaringType, "#3");
+ Assert.AreEqual (typeof (InheritsFromClassWithNullableDateTime), siblingProperty.ReflectedType, "#4");
+ }
+
+
+ public class ClassWithNullableDateTime
+ {
+ public DateTime? Property1 { get; set; }
+ }
+
+ public class InheritsFromClassWithNullableDateTime : ClassWithNullableDateTime
+ {
+ }
+
+ public static int ThrowingProperty {
+ get {
+ throw new ObjectDisposedException("TestClass");
+ }
+ }
+
+ [Test]
+ public void GetException () {
+ var prop = typeof(PropertyInfoTest).GetProperty("ThrowingProperty");
+ try {
+ prop.GetValue (null, null);
+ Assert.Fail ();
+ } catch (TargetInvocationException ex) {
+ Assert.IsTrue (ex.InnerException is ObjectDisposedException);
+ }
+ }
+
+ public class DefaultValueTest
{
- public string ReadOnlyProperty
+ public string this[int val, string param = "test"]
{
- get { return string.Empty; }
+ get{ return val + param; }
}
}
+
+
+ [Test]
+ public void PropertyWithDefaultValue ()
+ {
+ var parameters = typeof (DefaultValueTest).GetProperty ("Item").GetIndexParameters ();
+ var defaultParam = parameters[parameters.Length - 1];
+ Assert.AreEqual ("param", defaultParam.Name, "#1");
+ Assert.AreEqual ("test", defaultParam.DefaultValue, "#2");
+ }
}
}