public static void RuntimeMethodHandleTest()
{
MethodInfo mi = typeof(Base).GetMethod(nameof(Base.MyMethod));
RuntimeMethodHandle h = mi.MethodHandle;
Assert.Equal(mi, MethodBase.GetMethodFromHandle(h));
Assert.True(h.Value != IntPtr.Zero);
Assert.Equal(h.GetHashCode(), h.GetHashCode());
Assert.Equal(default(RuntimeMethodHandle).GetHashCode(), default(RuntimeMethodHandle).GetHashCode());
Assert.True(h.Equals(h));
Assert.False(h.Equals(default(RuntimeMethodHandle)));
Assert.False(default(RuntimeMethodHandle).Equals(h));
Assert.True(default(RuntimeMethodHandle).Equals(default(RuntimeMethodHandle)));
Assert.True(h.Equals((object)h));
Assert.True(((IEquatable <RuntimeMethodHandle>)h).Equals(h));
Assert.False(h.Equals(new object()));
Assert.False(h.Equals(null));
Assert.False(h == default(RuntimeMethodHandle));
Assert.True(h != default(RuntimeMethodHandle));
}
public void Equals_RuntimeMethodHandle()
{
Type type = typeof(RuntimeMethodHandleTest);
RuntimeMethodHandle rmhA1 = type.GetMethod("Equals_Object").MethodHandle;
RuntimeMethodHandle rmhA2 = type.GetMethod("Equals_Object").MethodHandle;
RuntimeMethodHandle rmhB1 = type.GetMethod("Equals_RuntimeMethodHandle").MethodHandle;
RuntimeMethodHandle rmhB2 = type.GetMethod("Equals_RuntimeMethodHandle").MethodHandle;
Assert.IsTrue(rmhA1.Equals(rmhA1), "#1");
Assert.IsTrue(rmhA1.Equals(rmhA2), "#2");
Assert.IsTrue(rmhB1.Equals(rmhB1), "#3");
Assert.IsTrue(rmhB2.Equals(rmhB1), "#4");
Assert.IsFalse(rmhA1.Equals(rmhB1), "#5");
Assert.IsFalse(rmhB1.Equals(rmhA1), "#6");
}
public static void RuntimeMethodHandleTest()
{
MethodInfo mi = typeof(Base).GetMethod(nameof(Base.MyMethod));
RuntimeMethodHandle h = mi.MethodHandle;
Assert.Equal(mi, MethodBase.GetMethodFromHandle(h));
Assert.True(h.Value != IntPtr.Zero);
Assert.Equal(h.GetHashCode(), h.GetHashCode());
Assert.Equal(default(RuntimeMethodHandle).GetHashCode(), default(RuntimeMethodHandle).GetHashCode());
Assert.True(h.Equals(h));
Assert.False(h.Equals(default(RuntimeMethodHandle)));
Assert.False(default(RuntimeMethodHandle).Equals(h));
Assert.True(default(RuntimeMethodHandle).Equals(default(RuntimeMethodHandle)));
Assert.True(h.Equals((object)h));
Assert.True(((IEquatable <RuntimeMethodHandle>)h).Equals(h));
Assert.False(h.Equals(new object()));
Assert.False(h.Equals(null));
Assert.False(h == default(RuntimeMethodHandle));
Assert.True(h != default(RuntimeMethodHandle));
IntPtr hPtr = RuntimeMethodHandle.ToIntPtr(h);
RuntimeMethodHandle hNew = RuntimeMethodHandle.FromIntPtr(hPtr);
Assert.True(h.Equals(hNew));
Assert.True(hNew.Equals(h));
// Confirm the created handle is valid
Assert.Equal(mi, MethodBase.GetMethodFromHandle(hNew));
}
public bool PosTest2()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("Verify different instances are equal when they have the same values...");
try
{
//default value is zero
RuntimeMethodHandle myHandle = new RuntimeMethodHandle();
if (!myHandle.Equals(myRuntimeMethodHandle))
{
TestLibrary.TestFramework.LogError("003","The two instance should be different!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("004","Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("Verify clone instance is equal to it original...");
try
{
RuntimeMethodHandle myHandle = new RuntimeMethodHandle();
object cloneHandle = myHandle;
if (!myHandle.Equals(cloneHandle))
{
TestLibrary.TestFramework.LogError("001","The two instances should be equal!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("002","Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest3()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("Verify RuntimeMethodHandle instance is not equal to common object instance...");
try
{
RuntimeMethodHandle myHandle = new RuntimeMethodHandle();
if (myHandle.Equals(myObj))
{
TestLibrary.TestFramework.LogError("005", "The two instances should not be equal!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("006", "Unexpected exception occurs: " + e);
retVal = false;
}
return(retVal);
}
public bool PosTest2()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("Verify different instances are equal when they have the same values...");
try
{
//default value is zero
RuntimeMethodHandle myHandle = new RuntimeMethodHandle();
if (!myHandle.Equals(myRuntimeMethodHandle))
{
TestLibrary.TestFramework.LogError("003", "The two instance should be different!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("004", "Unexpected exception occurs: " + e);
retVal = false;
}
return(retVal);
}
public bool PosTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("Verify clone instance is equal to it original...");
try
{
RuntimeMethodHandle myHandle = new RuntimeMethodHandle();
object cloneHandle = myHandle;
if (!myHandle.Equals(cloneHandle))
{
TestLibrary.TestFramework.LogError("001", "The two instances should be equal!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("002", "Unexpected exception occurs: " + e);
retVal = false;
}
return(retVal);
}
public bool PosTest3()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("Verify RuntimeMethodHandle instance is not equal to common object instance...");
try
{
RuntimeMethodHandle myHandle = new RuntimeMethodHandle();
if (myHandle.Equals(myObj))
{
TestLibrary.TestFramework.LogError("005","The two instances should not be equal!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("006","Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
public override bool Equals(object?obj)
{
return(obj is RuntimeHandleTuple vTuple &&
MethodHandle.Equals(vTuple.MethodHandle) &&
TypeHandle.Equals(vTuple.TypeHandle));
}