public void ExceptionCloneAndGetTypeMethodsAreExecuted()
{
Assert.DoesNotThrow(() =>
{
var exc = new Exception("Cloneable exception");
Assert.NotNull(exc);
Assert.AreEqual("Cloneable exception", exc.getMessage());
Assert.AreEqual("Exception", exc.getTypeName());
var clone = exc.clone() as Exception;
Assert.NotNull(clone);
Assert.AreEqual(exc.getMessage(), clone.getMessage());
Assert.AreEqual(exc.getTypeName(), clone.getTypeName());
});
}
public void ExceptionImplementationCanBeReplacedByExpandoObjectInstance()
{
var customMessage = "Hello World!";
// dummy implementation for the Exception class
IDisposable UseDummyImplementation()
{
// implement the parameterless constructor
dynamic x = new ExpandoObject();
x.Constructor = new global::System.Func <Exception>(() =>
{
// implement getMessage() instance method
dynamic self = new ExpandoObject();
self.getMessage = new global::System.Func <string>(() => customMessage);
return(new Exception(self));
});
// set the new implementation
Implementor.SetImplementation <Exception>(x);
return(new Disposable(() => Implementor.ResetToDefault <Exception>()));
}
using (UseDummyImplementation())
{
// try out the dummy implementation
Assert.DoesNotThrow(() =>
{
var exc = new Exception();
Assert.NotNull(exc);
Assert.AreEqual(customMessage, exc.getMessage());
});
}
}
public void ExceptionConstructorsAreExecuted()
{
Assert.DoesNotThrow(() =>
{
// parameterless constructor
var exc = new Exception();
Assert.NotNull(exc);
Assert.AreEqual("Exception is thrown.", exc.getMessage());
// constructor with string parameter
exc = new Exception("Custom message");
Assert.NotNull(exc);
Assert.AreEqual("Custom message", exc.getMessage());
// constructor with string and Exception parameters
var newExc = new Exception("Another message", exc);
Assert.NotNull(newExc);
Assert.AreEqual("Another message", newExc.getMessage());
Assert.AreEqual(exc, newExc.getCause());
// constructor with Exception parameter
var lastExc = new Exception(newExc);
Assert.NotNull(lastExc);
Assert.AreEqual("Exception is thrown.", lastExc.getMessage());
Assert.AreEqual(newExc, lastExc.getCause());
Assert.AreEqual(exc, lastExc.getCause().getCause());
});
}
