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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/* Test various combinations of constraints with illegal parameter types accessing static field of the generic type
CONSTRAINTS:
default ctor
reference type
valuetype
default ctor, reference tyoe
default ctor, valuetype
Test each constraint with (whichever applies to negative tests)
- Class with default nullary ctor (Generic/Non generic)
- Class with no default nullary ctor (Generic/Non generic)
- Class from mscorlib with default nullary ctor
- Abstract Class from mscorlib with no default nullary ctor
- Struct from mscorlib (Generic/Non generic)
- Struct (Generic/Non generic)
- Enum (Generic/Non generic)
- Interface (Generic/Non generic)
- Array
- Delegate
- Nullable<T>
*/
using System;
public class Test
{
static bool pass;
static int testNumber = 1;
delegate void Case();
static void Check(Case mytest, string testName, string violatingType, string type)
{
Console.Write("Test"+testNumber + ": " + testName);
++testNumber;
try
{
mytest();
Console.WriteLine("\nFAIL: Did not catch expected TypeLoadException");
pass = false;
}
catch (TypeLoadException e)
{
// Unhandled Exception: System.TypeLoadException: %0, '%1', on '%2'
// violates the constraint of type parameter '%3'.
Test.CheckTypeLoadExceptionMessage(8310, e, violatingType, type);
}
catch (Exception e)
{
Console.WriteLine("\nFAIL: Caught unexpected exception: " + e);
pass = false;
}
}
public static void CheckTypeLoadExceptionMessage(uint ResourceID, TypeLoadException e, string violatingType, string type )
{
if (
!e.ToString().Contains("0") ||
!e.ToString().Contains(violatingType) ||
!e.ToString().Contains(type) ||
!e.ToString().Contains("T"))
{
Console.WriteLine("Exception message is incorrect");
pass = false;
}
else
{
Console.WriteLine("Caught expected exception");
}
}
public static int Main()
{
pass = true;
Console.WriteLine("\nType: A<T> where T : new()\n");
Console.WriteLine("\nNEGATIVE TESTS");
Check(new Case(SF_DefaultCtorConstraint.Test2), "Generic argument is a class with no default ctor", "ClassNoCtor", "A`1[T]");
Check(new Case(SF_DefaultCtorConstraint.Test4), "Generic argument is a delegate", "Delegate1", "A`1[T]");
Check(new Case(SF_DefaultCtorConstraint.Test6), "Generic argument is an mscorlib abstract class with no default ctor", "System.ValueType", "A`1[T]");
Check(new Case(SF_DefaultCtorConstraint.Test7), "Generic argument is an interface with no default ctor", "NonGenInterface", "A`1[T]");
Check(new Case(SF_DefaultCtorConstraint.Test9), "Generic argument is an array of classes with default ctor", "ClassWithCtor[]", "A`1[T]");
Check(new Case(SF_DefaultCtorConstraintGenTypes.Test2), " Generic argument is a generic class with no default ctor", "GenClassNoCtor[System.Int32]", "A`1[T]");
Check(new Case(SF_DefaultCtorConstraintGenTypes.Test5), "Generic argument is a generic interface", "GenInterface[System.Int32]", "A`1[T]");
Console.WriteLine("\nType: A<T> where T : class()\n");
Console.WriteLine("\nNEGATIVE TESTS");
Check(new Case(SF_ClassConstraint.Test3), "Generic argument is a struct", "NonGenStruct", "B`1[T]");
Check(new Case(SF_ClassConstraint.Test8), "Generic argument is an enum", "Enum1", "B`1[T]");
Check(new Case(SF_ClassConstraintGenTypes.Test3), "Generic argument is a generic struct with default ctor", "GenStruct[System.Int32]", "B`1[T]");
Check(new Case(SF_ClassConstraintGenTypes.Test6), "Generic argument is Nullable<T>", "System.Nullable`1[System.Int32]", "B`1[T]");
Console.WriteLine("\nType: A<T> where T : struct()\n");
Console.WriteLine("\nNEGATIVE TESTS");
Check(new Case(SF_StructConstraint.Test1), "Generic argument is a class with default ctor", "ClassWithCtor", "C`1[T]");
Check(new Case(SF_StructConstraint.Test2), "Generic argument is a class with no default ctor", "ClassNoCtor", "C`1[T]");
Check(new Case(SF_StructConstraint.Test4), "Generic argument is a delegate", "Delegate1", "C`1[T]");
Check(new Case(SF_StructConstraint.Test5), "Generic argument is an mscorlib class with default ctor", "System.Object", "C`1[T]");
Check(new Case(SF_StructConstraint.Test6), "Generic argument is an mscorlib abstract class with no default ctor", "System.ValueType", "C`1[T]");
Check(new Case(SF_StructConstraint.Test7), "Generic argument is an interface", "NonGenInterface", "C`1[T]");
Check(new Case(SF_StructConstraint.Test10), "Generic argument is an array of classes with default ctor", "ClassWithCtor[]", "C`1[T]");
Check(new Case(SF_StructConstraintGenTypes.Test1), "Generic argument is a generic class with default ctor", "GenClassWithCtor[System.Int32]", "C`1[T]");
Check(new Case(SF_StructConstraintGenTypes.Test2), "Generic argument is a generic class with no default ctor", "GenClassNoCtor[System.Int32]", "C`1[T]");
Check(new Case(SF_StructConstraintGenTypes.Test5), "Generic argument is a generic interface", "GenInterface[System.Int32]", "C`1[T]");
Check(new Case(SF_StructConstraintGenTypes.Test7), "Generic argument is Nullable<T>", "System.Nullable`1[System.Int32]", "C`1[T]");
Console.WriteLine("\nType: A<T> where T : class(), new() \n");
Console.WriteLine("\nNEGATIVE TESTS");
Check(new Case(SF_DefaultCtorAndClassConstraint.Test2), "Generic argument is a class with no default ctor", "ClassNoCtor", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraint.Test3), "Generic argument is a struct", "NonGenStruct", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraint.Test4), "Generic argument is a delegate", "Delegate1", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraint.Test6), "Generic argument is an mscorlib abstract class with no default ctor", "System.ValueType", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraint.Test9), "Generic argument is an mscorlib struct", "System.DateTime", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraint.Test7), "Generic argument is an interface", "NonGenInterface", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraint.Test8), "Generic argument is an enum", "Enum1", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraint.Test10), "Generic argument is an array of classes with default ctor", "ClassWithCtor[]", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraintGenTypes.Test3), "Generic argument is a generic struct", "GenStruct[System.Int32]", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraintGenTypes.Test2), "Generic argument is a generic class with no default ctor", "GenClassNoCtor[System.Int32]", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraintGenTypes.Test5), "Generic argument is a generic interface", "GenInterface[System.Int32]", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraintGenTypes.Test6), "Generic argument is a generic mscorlib struct", "System.Collections.Generic.KeyValuePair`2[NonGenStruct,System.Int32]", "D`1[T]");
Check(new Case(SF_DefaultCtorAndClassConstraintGenTypes.Test7), "Generic argument is Nullable<T>", "System.Nullable`1[System.Int32]", "D`1[T]");
Console.WriteLine("\nType: A<T> where T : struct(), new()\n");
Console.WriteLine("\nNEGATIVE TESTS");
Check(new Case(SF_DefaultCtorAndStructConstraint.Test1), "Generic argument is a class with default ctor", "ClassWithCtor", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraint.Test2), "Generic argument is a class with no default ctor", "ClassNoCtor", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraint.Test4), "Generic argument is a delegate", "Delegate1", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraint.Test5), "Generic argument is an mscorlib class with default ctor", "System.Object", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraint.Test6), "Generic argument is an mscorlib abstract class with no default ctor", "System.ValueType", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraint.Test7), "Generic argument is an interface", "NonGenInterface", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraint.Test10), "Generic argument is an array of classes with default ctor", "NonGenStruct[]", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraintGenTypes.Test1), "Generic argument is a generic class with default ctor", "GenClassWithCtor[System.Int32]", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraintGenTypes.Test2), "Generic argument is a generic class with no default ctor", "GenClassNoCtor[System.Int32]", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraintGenTypes.Test5), "Generic argument is a generic interface", "GenInterface[System.Int32]", "E`1[T]");
Check(new Case(SF_DefaultCtorAndStructConstraintGenTypes.Test7), "Generic argument is Nullable<T>", "System.Nullable`1[System.Int32]", "E`1[T]");
if (pass)
{
Console.WriteLine("PASS");
return 100;
}
else
{
Console.WriteLine("FAIL");
return 101;
}
}
}
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