public void RegisterConverterChangesExisitongConverter()
{
var target = new CustomConverterFactory();
Func<object, object> converter1 = x => null;
Func<object, object> converter2 = x => new object();
target.RegisterConverter(typeof(CustomConverterFactoryTests), converter1);
// act here
target.RegisterConverter(typeof(CustomConverterFactoryTests), converter2);
var result = target.GetConverter(typeof(CustomConverterFactoryTests));
Assert.AreSame(converter2, result);
}
public void RegisterConverterThrowsArgumentNullExceptionIfTheConverterIsNull()
{
var target = new CustomConverterFactory();
var exception = Assert.Catch<ArgumentNullException>(() => target.RegisterConverter(typeof(CustomConverterFactoryTests), null));
Assert.AreEqual("converter", exception.ParamName);
}
public void RegisterConverterThrowsArgumentNullExceptionIfTheTypeIsNull()
{
var target = new CustomConverterFactory();
Func<object, object> converter = x => null;
var exception = Assert.Catch<ArgumentNullException>(() => target.RegisterConverter(null, converter));
Assert.AreEqual("type", exception.ParamName);
}
public void RegisterConverterAddsNewConverter()
{
var target = new CustomConverterFactory();
Func<object, object> converter = x => null;
target.RegisterConverter(typeof(CustomConverterFactoryTests), converter);
var result = target.GetConverter(typeof(CustomConverterFactoryTests));
Assert.AreSame(converter, result);
}
public void RemoveConverterRemovesExistingConverter()
{
var target = new CustomConverterFactory();
Func<object, object> converter = x => null;
target.RegisterConverter(typeof(CustomConverterFactoryTests), converter);
var result1 = target.RemoveConverter(typeof (CustomConverterFactoryTests));
var result2 = target.GetConverter(typeof(CustomConverterFactoryTests));
Assert.IsNotNull(result1);
Assert.AreSame(converter, result1);
Assert.IsNull(result2);
}