public void CheckClassLevelTest()
{
Type typeToTest = typeof(Demo);
ClassLevelAttribute attribute = typeToTest.GetCustomAttribute <ClassLevelAttribute>();
Assert.IsNotNull(attribute, "The ClassLevelAttribute is not set on type Demo");
Assert.AreEqual(typeof(Demo), attribute.TypeWorkingFor, "the defined type is either null or not the type of TypeWorking for");
}
public void IsImplementingInterfaceTestNegative()
{
ClassLevelAttribute attribute = new ClassLevelAttribute();
attribute.TypeWorkingFor = typeof(string);
attribute.IsImplementingInterface(null);
//no assertion because the act must throw an exception
}
public void IsImplementingInterfaceTestNegativeInvalidOperationException()
{
ClassLevelAttribute attribute = new ClassLevelAttribute();
//attribute.TypeWorkingFor = typeof(string);
attribute.IsImplementingInterface(typeof(IComparable));
//no assertion because the act must throw an exception
}
public void IsImplementingInterfaceTestPositiv()
{
//Arrange
ClassLevelAttribute attribute = new ClassLevelAttribute
{
TypeWorkingFor = typeof(string)
};
Assert.IsTrue(attribute.IsImplementingInterface(typeof(IComparable)), "Type string does not implement IComparable");
Assert.IsFalse(attribute.IsImplementingInterface(typeof(IDisposable)), "Type does implement IDisposable");
}
