private void ShouldReturnNullWhenEmpty(
DataTypeAttributeExtractor sut)
{
var dataTypeAttribute = sut.GetDataTypeAttribute(new object[] { });
Assert.Null(dataTypeAttribute);
}
private void ShouldReturnNullWhenNotFound(
object[] customAttributes,
DataTypeAttributeExtractor sut)
{
var dataTypeAttribute = sut.GetDataTypeAttribute(customAttributes);
Assert.Null(dataTypeAttribute);
}
private void ShouldReturnMetaData(
IEnumerable <object> customAttributes,
DataTypeAttributeExtractor sut,
DataTypeAttribute expectedAttribute)
{
customAttributes = customAttributes.Append(expectedAttribute);
var dataTypeAttribute = sut.GetDataTypeAttribute(customAttributes.ToArray());
Assert.Same(expectedAttribute, dataTypeAttribute);
}
private void ShouldReturnThrowInvalidOperationException(
IEnumerable <DataTypeAttribute> customAttributes,
DataTypeAttributeExtractor sut)
{
Assert.Throws <InvalidOperationException>(() => sut.GetDataTypeAttribute(customAttributes.ToArray <object>()));
}
private void ShouldThrowArgumentNullException(DataTypeAttributeExtractor sut)
{
Assert.Throws <ArgumentNullException>(() => sut.GetDataTypeAttribute(null));
}
