public void ConvertBack_WithNonIntegerValueType_ReturnsNull(object value)
{
// Setup
var converter = new IntegerValueConverter();
// Call
object result = converter.ConvertBack(value, typeof(int), null, null);
// Assert
Assert.That(result, Is.Null);
}
public void ConvertBack_WithIntegerValueType_ReturnsExpectedResult(string value, int expectedResult)
{
// Setup
var converter = new IntegerValueConverter();
// Call
object result = converter.ConvertBack(value, typeof(int), null, null);
// Assert
Assert.That(result, Is.EqualTo(expectedResult));
}
public void ConvertBack_WithUnsupportedType_ThrowsNotSupportedException()
{
// Setup
var converter = new IntegerValueConverter();
Type unsupportedType = typeof(object);
// Call
TestDelegate call = () => converter.ConvertBack("1", unsupportedType, null, null);
// Assert
string expectedMessage = $"Conversion to {unsupportedType.Name} is not supported.";
Assert.That(call, Throws.Exception.InstanceOf <NotSupportedException>()
.And.Message.EqualTo(expectedMessage));
}
