2 // System.Reflection.MethodInfo Test Cases
5 // Zoltan Varga (vargaz@gmail.com)
7 // (c) 2003 Ximian, Inc. (http://www.ximian.com)
8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using NUnit.Framework;
32 using System.Threading;
33 using System.Reflection;
35 using System.Reflection.Emit;
37 using System.Runtime.InteropServices;
38 using System.Runtime.CompilerServices;
40 using System.Collections.Generic;
43 // Disable expected warning
44 #pragma warning disable 169
45 public struct MethodInfoTestStruct {
48 #pragma warning restore 169
50 namespace MonoTests.System.Reflection
53 public class MethodInfoTest
55 [DllImport ("libfoo", EntryPoint="foo", CharSet=CharSet.Unicode, ExactSpelling=false, PreserveSig=true, SetLastError=true, BestFitMapping=true, ThrowOnUnmappableChar=true)]
56 public static extern void dllImportMethod ();
57 [MethodImplAttribute(MethodImplOptions.PreserveSig)]
58 public void preserveSigMethod ()
62 [MethodImplAttribute(MethodImplOptions.Synchronized)]
63 public void synchronizedMethod ()
67 public interface InterfaceTest
73 public void IsDefined_AttributeType_Null ()
75 MethodInfo mi = typeof (MethodInfoTest).GetMethod ("foo");
78 mi.IsDefined ((Type) null, false);
80 } catch (ArgumentNullException ex) {
81 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
82 Assert.IsNull (ex.InnerException, "#3");
83 Assert.IsNotNull (ex.Message, "#4");
84 Assert.IsNotNull (ex.ParamName, "#5");
85 Assert.AreEqual ("attributeType", ex.ParamName, "#6");
90 public void TestInvokeByRefReturnMethod ()
93 MethodInfo m = typeof (int[]).GetMethod ("Address");
94 m.Invoke (new int[1], new object[] { 0 });
96 } catch (NotSupportedException e) {
97 Assert.AreEqual (typeof (NotSupportedException), e.GetType (), "#2");
98 Assert.IsNull (e.InnerException, "#3");
99 Assert.IsNotNull (e.Message, "#4");
104 public void PseudoCustomAttributes ()
106 Type t = typeof (MethodInfoTest);
108 DllImportAttribute attr = (DllImportAttribute)((t.GetMethod ("dllImportMethod").GetCustomAttributes (typeof (DllImportAttribute), true)) [0]);
110 Assert.AreEqual (CallingConvention.Winapi, attr.CallingConvention, "#1");
111 Assert.AreEqual ("foo", attr.EntryPoint, "#2");
112 Assert.AreEqual ("libfoo", attr.Value, "#3");
113 Assert.AreEqual (CharSet.Unicode, attr.CharSet, "#4");
114 Assert.AreEqual (false, attr.ExactSpelling, "#5");
115 Assert.AreEqual (true, attr.PreserveSig, "#6");
116 Assert.AreEqual (true, attr.SetLastError, "#7");
117 Assert.AreEqual (true, attr.BestFitMapping, "#8");
118 Assert.AreEqual (true, attr.ThrowOnUnmappableChar, "#9");
120 PreserveSigAttribute attr2 = (PreserveSigAttribute)((t.GetMethod ("preserveSigMethod").GetCustomAttributes (true)) [0]);
122 // This doesn't work under MS.NET
124 MethodImplAttribute attr3 = (MethodImplAttribute)((t.GetMethod ("synchronizedMethod").GetCustomAttributes (true)) [0]);
128 [return: MarshalAs (UnmanagedType.Interface)]
129 public void ReturnTypeMarshalAs ()
134 public void ReturnTypePseudoCustomAttributes ()
136 MethodInfo mi = typeof (MethodInfoTest).GetMethod ("ReturnTypeMarshalAs");
138 Assert.IsTrue (mi.ReturnTypeCustomAttributes.GetCustomAttributes (typeof (MarshalAsAttribute), true).Length == 1);
141 public static int foo (int i, int j)
147 public void StaticInvokeWithObject ()
149 MethodInfo mi = typeof (MethodInfoTest).GetMethod ("foo");
151 mi.Invoke (new Object (), new object [] { 1, 2 });
155 public void ByRefInvoke ()
157 MethodInfo met = typeof(MethodInfoTest).GetMethod ("ByRefTest");
158 object[] parms = new object[] {1};
159 met.Invoke (null, parms);
160 Assert.AreEqual (2, parms[0]);
163 public static void ByRefTest (ref int a1)
169 static int byref_arg;
171 public static void ByrefVtype (ref int i) {
177 public void ByrefVtypeInvoke ()
179 MethodInfo mi = typeof (MethodInfoTest).GetMethod ("ByrefVtype");
182 object[] args = new object [] { o };
183 mi.Invoke (null, args);
184 Assert.AreEqual (1, byref_arg, "#A1");
185 Assert.AreEqual (1, o, "#A2");
186 Assert.AreEqual (5, args[0], "#A3");
189 mi.Invoke (null, args);
190 Assert.AreEqual (0, byref_arg, "#B1");
191 Assert.AreEqual (5, args[0], "#B2");
194 public void HeyHey (out string out1, ref DateTime ref1)
199 public void SignatureTest (__arglist)
203 public static unsafe int* PtrFunc (int* a)
209 public void InvokeThreadAbort ()
211 MethodInfo method = typeof (MethodInfoTest).GetMethod ("AbortIt");
213 method.Invoke (null, new object [0]);
216 catch (ThreadAbortException ex) {
217 Thread.ResetAbort ();
218 Assert.IsNull (ex.InnerException, "#2");
222 public static void AbortIt ()
224 Thread.CurrentThread.Abort ();
228 public void ToStringByRef ()
230 Assert.AreEqual ("Void HeyHey(System.String ByRef, System.DateTime ByRef)",
231 this.GetType ().GetMethod ("HeyHey").ToString ());
235 public void ToStringArgList ()
237 Assert.AreEqual ("Void SignatureTest(...)",
238 this.GetType ().GetMethod ("SignatureTest").ToString ());
242 public void ToStringWithPointerSignatures () //bug #409583
244 Assert.AreEqual ("Int32* PtrFunc(Int32*)", this.GetType ().GetMethod ("PtrFunc").ToString ());
247 public struct SimpleStruct
252 public static unsafe SimpleStruct* PtrFunc2 (SimpleStruct* a, A.B.C.MethodInfoTestStruct *b)
254 return (SimpleStruct*) 0;
258 public void ToStringWithPointerSignaturesToNonPrimitiveType ()
260 Assert.AreEqual ("SimpleStruct* PtrFunc2(SimpleStruct*, A.B.C.MethodInfoTestStruct*)",
261 this.GetType ().GetMethod ("PtrFunc2").ToString ());
264 public void ToStringGenericMethod ()
266 Assert.AreEqual ("System.Collections.ObjectModel.ReadOnlyCollection`1[T] AsReadOnly[T](T[])",
267 typeof (Array).GetMethod ("AsReadOnly").ToString ());
270 class GBD_A { public virtual void f () {} }
271 class GBD_B : GBD_A { public override void f () {} }
272 class GBD_C : GBD_B { public override void f () {} }
273 class GBD_D : GBD_C { public new virtual void f () {} }
274 class GBD_E : GBD_D { public override void f () {} }
277 public void GetBaseDefinition ()
279 Assert.AreEqual (typeof (GBD_A), typeof (GBD_C).GetMethod ("f").GetBaseDefinition ().DeclaringType);
280 Assert.AreEqual (typeof (GBD_D), typeof (GBD_D).GetMethod ("f").GetBaseDefinition ().DeclaringType);
281 Assert.AreEqual (typeof (GBD_D), typeof (GBD_E).GetMethod ("f").GetBaseDefinition ().DeclaringType);
284 class TestInheritedMethodA {
285 private void TestMethod ()
289 public void TestMethod2 ()
294 class TestInheritedMethodB : TestInheritedMethodA {
298 public void InheritanceTestGetMethodTest ()
300 MethodInfo inheritedMethod = typeof(TestInheritedMethodB).GetMethod("TestMethod", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
301 MethodInfo baseMethod = typeof(TestInheritedMethodB).GetMethod("TestMethod", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
302 Assert.AreSame (inheritedMethod, baseMethod);
304 MethodInfo inheritedMethod2 = typeof(TestInheritedMethodB).GetMethod("TestMethod2", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
305 MethodInfo baseMethod2 = typeof(TestInheritedMethodB).GetMethod("TestMethod2", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
306 Assert.AreSame (inheritedMethod, baseMethod);
310 public void GetMethodBody_Abstract ()
312 MethodBody mb = typeof (InterfaceTest).GetMethod ("Clone").GetMethodBody ();
317 public void GetMethodBody_Runtime ()
319 MethodBody mb = typeof (AsyncCallback).GetMethod ("Invoke").GetMethodBody ();
324 public void GetMethodBody_Pinvoke ()
326 MethodBody mb = typeof (MethodInfoTest).GetMethod ("dllImportMethod").GetMethodBody ();
331 public void GetMethodBody_Icall ()
333 foreach (MethodInfo mi in typeof (object).GetMethods (BindingFlags.Public|BindingFlags.NonPublic|BindingFlags.Instance))
334 if ((mi.GetMethodImplementationFlags () & MethodImplAttributes.InternalCall) != 0) {
335 MethodBody mb = mi.GetMethodBody ();
340 public static void locals_method ()
342 byte[] b = new byte [10];
345 /* This generates a pinned local */
346 fixed (byte *p = &b [0]) {
352 public void GetMethodBody ()
354 #if MONOTOUCH && !DEBUG
355 Assert.Ignore ("Release app (on devices) are stripped of (managed) IL so this test would fail");
357 MethodBody mb = typeof (MethodInfoTest).GetMethod ("locals_method").GetMethodBody ();
359 Assert.IsTrue (mb.InitLocals, "#1");
360 Assert.IsTrue (mb.LocalSignatureMetadataToken > 0, "#2");
362 IList<LocalVariableInfo> locals = mb.LocalVariables;
364 // This might break with different compilers etc.
365 Assert.AreEqual (2, locals.Count, "#3");
367 Assert.IsTrue ((locals [0].LocalType == typeof (byte[])) || (locals [1].LocalType == typeof (byte[])), "#4");
368 if (locals [0].LocalType == typeof (byte[]))
369 Assert.AreEqual (false, locals [0].IsPinned, "#5");
371 Assert.AreEqual (false, locals [1].IsPinned, "#6");
374 public int return_parameter_test ()
380 public void GetMethodFromHandle_Generic ()
382 MethodHandleTest<int> test = new MethodHandleTest<int> ();
383 RuntimeMethodHandle mh = test.GetType ().GetProperty ("MyList")
384 .GetGetMethod ().MethodHandle;
385 MethodBase mb = MethodInfo.GetMethodFromHandle (mh,
386 typeof (MethodHandleTest<int>).TypeHandle);
387 Assert.IsNotNull (mb, "#1");
388 List<int> list = (List<int>) mb.Invoke (test, null);
389 Assert.IsNotNull (list, "#2");
390 Assert.AreEqual (1, list.Count, "#3");
394 public void ReturnParameter ()
396 ParameterInfo pi = typeof (MethodInfoTest).GetMethod ("return_parameter_test").ReturnParameter;
397 Assert.AreEqual (typeof (int), pi.ParameterType, "#1");
398 Assert.AreEqual (-1, pi.Position, "#2");
399 // MS always return false here
400 //Assert.IsTrue (pi.IsRetval, "#3");
404 public void InvokeOnRefOnlyAssembly ()
406 Assembly a = Assembly.ReflectionOnlyLoad (typeof (MethodInfoTest).Assembly.FullName);
407 Type t = a.GetType (typeof (RefOnlyMethodClass).FullName);
408 MethodInfo m = t.GetMethod ("RefOnlyMethod", BindingFlags.Static | BindingFlags.NonPublic);
410 m.Invoke (null, new object [0]);
412 } catch (InvalidOperationException ex) {
413 // The requested operation is invalid in the
414 // ReflectionOnly context
415 Assert.AreEqual (typeof (InvalidOperationException), ex.GetType (), "#2");
416 Assert.IsNull (ex.InnerException, "#3");
417 Assert.IsNotNull (ex.Message, "#4");
422 [ExpectedException (typeof (TargetInvocationException))]
423 public void InvokeInvalidOpExceptionThrow () {
424 MethodInfo mi = typeof (MethodInfoTest).GetMethod ("ThrowMethod");
425 mi.Invoke(null, null);
428 public static void ThrowMethod () {
429 throw new InvalidOperationException ();
433 public void InvokeGenericVtype ()
435 KeyValuePair<string, uint> kvp = new KeyValuePair<string, uint> ("a", 21);
436 Type type = kvp.GetType ();
437 Type [] arguments = type.GetGenericArguments ();
438 MethodInfo method = typeof (MethodInfoTest).GetMethod ("Go");
439 MethodInfo generic_method = method.MakeGenericMethod (arguments);
440 kvp = (KeyValuePair<string, uint>)generic_method.Invoke (null, new object [] { kvp });
442 Assert.AreEqual ("a", kvp.Key, "#1");
443 Assert.AreEqual (21, kvp.Value, "#2");
446 public static KeyValuePair<T1, T2> Go <T1, T2> (KeyValuePair <T1, T2> kvp)
452 public void InvokeGenericInst ()
454 List<string> str = null;
456 object [] methodArgs = new object [] { str };
457 MethodInfo mi = typeof (MethodInfoTest).GetMethod ("GenericRefMethod");
458 mi.Invoke (null, methodArgs);
459 Assert.IsNotNull (methodArgs [0], "#A1");
460 Assert.IsNull (str, "#A2");
461 Assert.IsTrue (methodArgs [0] is List<string>, "#A3");
463 List<string> refStr = methodArgs [0] as List<string>;
464 Assert.IsNotNull (refStr, "#B1");
465 Assert.AreEqual (1, refStr.Count, "#B2");
466 Assert.AreEqual ("test", refStr [0], "#B3");
469 public static void GenericRefMethod (ref List<string> strArg)
471 strArg = new List<string> ();
475 public void MakeGenericMethodArgsMismatchFoo<T> ()
480 public void MakeGenericMethodArgsMismatch ()
482 MethodInfo gmi = this.GetType ().GetMethod (
483 "MakeGenericMethodArgsMismatchFoo");
485 gmi.MakeGenericMethod ();
487 } catch (ArgumentException ex) {
488 // The type or method has 1 generic parameter(s),
489 // but 0 generic argument(s) were provided. A
490 // generic argument must be provided for each
492 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
493 Assert.IsNull (ex.InnerException, "#3");
494 Assert.IsNotNull (ex.Message, "#4");
495 Assert.IsNull (ex.ParamName, "#5");
499 public void SimpleGenericMethod<TFoo, TBar> () {}
502 public void MakeGenericMethodWithNullArray ()
504 MethodInfo gmi = this.GetType ().GetMethod ("SimpleGenericMethod");
506 gmi.MakeGenericMethod ((Type []) null);
508 } catch (ArgumentNullException ex) {
509 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
510 Assert.IsNull (ex.InnerException, "#3");
511 Assert.IsNotNull (ex.Message, "#4");
512 Assert.AreEqual ("methodInstantiation", ex.ParamName, "#5");
517 public void MakeGenericMethodWithNullValueInTypesArray ()
519 MethodInfo gmi = this.GetType ().GetMethod ("SimpleGenericMethod");
521 gmi.MakeGenericMethod (new Type [] { typeof (int), null });
523 } catch (ArgumentNullException ex) {
524 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
525 Assert.IsNull (ex.InnerException, "#3");
526 Assert.IsNotNull (ex.Message, "#4");
527 Assert.IsNull (ex.ParamName, "#5");
532 public void MakeGenericMethodWithNonGenericMethodDefinitionMethod ()
534 MethodInfo gmi = this.GetType ().GetMethod ("SimpleGenericMethod");
535 MethodInfo inst = gmi.MakeGenericMethod (typeof (int), typeof (double));
537 inst.MakeGenericMethod (typeof (int), typeof (double));
539 } catch (InvalidOperationException ex) {
543 public TFoo SimpleGenericMethod2<TFoo, TBar> () { return default (TFoo); }
544 /*Test for the uggly broken behavior of SRE.*/
546 public void MakeGenericMethodWithSreTypeResultsInStupidMethodInfo ()
548 AssemblyName assemblyName = new AssemblyName ();
549 assemblyName.Name = "MonoTests.System.Reflection.Emit.MethodInfoTest";
550 AssemblyBuilder assembly = Thread.GetDomain ().DefineDynamicAssembly (assemblyName, AssemblyBuilderAccess.RunAndSave, ".");
551 ModuleBuilder module = assembly.DefineDynamicModule ("module1", "tst.dll");
552 TypeBuilder tb = module.DefineType ("Test", TypeAttributes.Public);
554 MethodInfo gmi = this.GetType ().GetMethod ("SimpleGenericMethod2");
555 MethodInfo ins = gmi.MakeGenericMethod (typeof (int), tb);
557 Assert.AreSame (tb, ins.GetGenericArguments () [1], "#1");
558 /*broken ReturnType*/
559 Assert.AreSame (gmi.GetGenericArguments () [0], ins.ReturnType, "#2");
562 public static int? pass_nullable (int? i)
568 public void NullableTests ()
570 MethodInfo mi = typeof (MethodInfoTest).GetMethod ("pass_nullable");
571 Assert.AreEqual (102, mi.Invoke (null, new object [] { 102 }), "#1");
572 Assert.AreEqual (null, mi.Invoke (null, new object [] { null }), "#2");
574 // Test conversion of vtype to a nullable type for the this argument
575 PropertyInfo pi = typeof (Nullable <int>).GetProperty ("HasValue");
576 Assert.AreEqual (true, pi.GetGetMethod ().Invoke (10, null));
577 PropertyInfo pi2 = typeof (Nullable <int>).GetProperty ("Value");
578 Assert.AreEqual (10, pi2.GetGetMethod ().Invoke (10, null));
581 public static void foo_generic<T> ()
586 public void IsGenericMethod ()
588 MethodInfo mi = typeof (MethodInfoTest).GetMethod ("foo_generic");
589 Assert.AreEqual (true, mi.IsGenericMethod, "#1");
590 MethodInfo mi2 = mi.MakeGenericMethod (new Type[] { typeof (int) });
591 Assert.AreEqual (true, mi2.IsGenericMethod, "#2");
592 MethodInfo mi3 = typeof (GenericHelper<int>).GetMethod ("Test");
593 Assert.AreEqual (false, mi3.IsGenericMethod, "#3");
598 public static void Foo<T2> (T2 i)
602 public static void Bar ()
608 public static void Baz ()
615 public void ContainsGenericParameters ()
617 // Non-generic method in open generic type
618 Assert.IsTrue (typeof (A<int>).GetGenericTypeDefinition ().GetMethod ("Bar").ContainsGenericParameters);
619 // open generic method in closed generic type
620 Assert.IsTrue (typeof (A<int>).GetMethod ("Foo").ContainsGenericParameters);
621 // non-generic method in closed generic type
622 Assert.IsFalse (typeof (A<int>).GetMethod ("Bar").ContainsGenericParameters);
623 // closed generic method in closed generic type
624 Assert.IsFalse (typeof (A<int>).GetMethod ("Foo").MakeGenericMethod (new Type [] { typeof (int) }).ContainsGenericParameters);
625 // non-generic method in non-generic nested type of closed generic type
626 Assert.IsFalse (typeof (A<int>.B).GetMethod ("Baz").ContainsGenericParameters);
627 // non-generic method in non-generic nested type of open generic type
628 Assert.IsTrue (typeof (A<int>.B).GetGenericTypeDefinition ().GetMethod ("Baz").ContainsGenericParameters);
632 public void IsGenericMethodDefinition ()
634 MethodInfo m1 = typeof (A<>).GetMethod ("Foo");
635 Assert.IsTrue (m1.IsGenericMethod, "#A1");
636 Assert.IsTrue (m1.IsGenericMethodDefinition, "#A2");
638 MethodInfo m2 = typeof (A<int>).GetMethod ("Foo");
639 Assert.IsTrue (m2.IsGenericMethod, "#B1");
640 Assert.IsTrue (m2.IsGenericMethodDefinition, "#B2");
642 MethodInfo m3 = m2.MakeGenericMethod (typeof (int));
643 Assert.IsTrue (m3.IsGenericMethod, "#C1");
644 Assert.IsFalse (m3.IsGenericMethodDefinition, "#C2");
648 public void GetGenericMethodDefinition ()
650 MethodInfo mi1 = typeof (MyList<>).GetMethod ("ConvertAll");
651 MethodInfo mi2 = typeof (MyList<int>).GetMethod ("ConvertAll");
653 Assert.AreEqual ("MonoTests.System.Reflection.MethodInfoTest+Foo`2[T,TOutput]",
654 mi1.GetParameters () [0].ParameterType.ToString (), "#A1");
655 Assert.AreEqual ("MonoTests.System.Reflection.MethodInfoTest+Foo`2[System.Int32,TOutput]",
656 mi2.GetParameters () [0].ParameterType.ToString (), "#A2");
657 Assert.IsTrue (mi1.IsGenericMethod, "#A3");
658 Assert.IsTrue (mi1.IsGenericMethodDefinition, "#A4");
659 Assert.IsTrue (mi2.IsGenericMethod, "#A5");
660 Assert.IsTrue (mi2.IsGenericMethodDefinition, "#A6");
662 MethodInfo mi3 = mi2.GetGenericMethodDefinition ();
664 Assert.IsTrue (mi3.IsGenericMethod, "#B1");
665 Assert.IsTrue (mi3.IsGenericMethodDefinition, "#B2");
666 Assert.AreSame (mi2, mi3, "#B3");
668 MethodInfo mi4 = mi2.MakeGenericMethod (typeof (short));
669 Assert.IsTrue (mi4.IsGenericMethod, "#C1");
670 Assert.IsFalse (mi4.IsGenericMethodDefinition, "#C2");
671 Assert.AreSame (mi2, mi4.GetGenericMethodDefinition (), "#C3");
674 public void TestMethod123(int a, int b) {}
677 public void GetParametersDontReturnInternedArray ()
679 var method = typeof (MethodInfoTest).GetMethod ("TestMethod123");
680 var parms = method.GetParameters ();
681 Assert.AreNotSame (parms, method.GetParameters (), "#1");
684 Assert.IsNotNull (method.GetParameters () [0], "#2");
688 public void Bug354757 ()
690 MethodInfo gmd = (typeof (MyList <int>)).GetMethod ("ConvertAll");
691 MethodInfo oi = gmd.MakeGenericMethod (gmd.GetGenericArguments ());
692 Assert.AreSame (gmd, oi);
696 [ExpectedException (typeof (ArgumentException))]
698 [Category ("NotWorking")] // #10552
700 public void MakeGenericMethodRespectConstraints ()
702 var m = typeof (MethodInfoTest).GetMethod ("TestMethod");
703 m.MakeGenericMethod (typeof (Type));
706 public void TestMethod <T> () where T : Exception
710 public class MyList<T>
712 public TOutput ConvertAll<TOutput> (Foo<T,TOutput> arg)
714 return default (TOutput);
716 public T ConvertAll2 (MyList<T> arg)
722 public class Foo<T,TOutput>
726 class GenericHelper<T>
728 public void Test (T t)
733 interface IMethodInvoke<out T>
738 class MethodInvoke : IMethodInvoke<string>
740 public string Test ()
742 return "MethodInvoke";
747 public void GetInterfaceMapWorksWithVariantIfaces ()
749 var m0 = typeof (IMethodInvoke<object>).GetMethod ("Test");
750 var m1 = typeof (IMethodInvoke<string>).GetMethod ("Test");
751 var obj = new MethodInvoke ();
753 Assert.AreEqual ("MethodInvoke", m0.Invoke (obj, new Object [0]));
754 Assert.AreEqual ("MethodInvoke", m1.Invoke (obj, new Object [0]));
759 public int? Bug12856 ()
765 public void MethodToStringShouldPrintFullNameOfGenericStructs ()
767 var m = GetType ().GetMethod ("Bug12856");
768 Assert.AreEqual ("System.Nullable`1[System.Int32] Bug12856()", m.ToString (), "#1");
772 class GenericClass<T>
774 public void Method ()
777 Console.WriteLine(lv);
780 public void Method2<K> (T a0, K a1)
784 Console.WriteLine (var0);
785 Console.WriteLine (var1);
790 public void TestLocalVariableTypes ()
792 var typeofT = typeof (GenericClass<>).GetGenericArguments () [0];
793 var typeofK = typeof (GenericClass<>).GetMethod ("Method2").GetGenericArguments () [0];
795 var type = typeof (GenericClass<>).GetMethod("Method").GetMethodBody().LocalVariables[0].LocalType;
796 Assert.AreEqual (typeofT, type);
797 Assert.AreEqual (typeof (GenericClass<>), type.DeclaringType);
799 type = typeof (GenericClass<>).GetMethod("Method2").GetMethodBody().LocalVariables[0].LocalType;
800 Assert.AreEqual (typeofT, type);
801 Assert.AreEqual (typeof (GenericClass<>), type.DeclaringType);
803 type = typeof (GenericClass<>).GetMethod("Method2").GetMethodBody().LocalVariables[1].LocalType;
804 Assert.AreEqual (typeofK, type);
805 Assert.AreEqual (typeof (GenericClass<>), type.DeclaringType);
807 type = typeof (GenericClass<int>).GetMethod("Method2").GetMethodBody().LocalVariables[0].LocalType;
808 Assert.AreEqual (typeof (int), type);
810 type = typeof (GenericClass<int>).GetMethod("Method2").GetMethodBody().LocalVariables[1].LocalType;
811 Assert.AreEqual (typeofK, type);
812 Assert.AreEqual (typeof (GenericClass<>), type.DeclaringType);
818 class RefOnlyMethodClass
820 // Helper static method
821 static void RefOnlyMethod ()
826 public class MethodHandleTest<T>
828 private List<T> _myList = new List<T> ();
830 public MethodHandleTest ()
832 _myList.Add (default (T));
835 public List<T> MyList {
836 get { return _myList; }
837 set { _myList = value; }