public void WHEN_ViewModel_Is_Null_SHOULD_Throw_ArgumentNullException()
{
// Arrange
var propertyInfo = typeof(TestViewModel).GetProperty("Property");
var sut = new InstancePropertyMetadata(propertyInfo);
// Act
Action action = () => sut.GetValue(null);
// Assert
action.ShouldThrow <ArgumentNullException>();
}
public void WHEN_ViewModel_Is_Valid_SHOULD_Pass()
{
// Arrange
var expectedPropertyValue = GetRandom.String(20);
var propertyInfo = typeof(TestViewModel).GetProperty("Property");
var sut = new InstancePropertyMetadata(propertyInfo);
var viewModel = new TestViewModel {
Property = expectedPropertyValue
};
// Act
var result = sut.GetValue(viewModel);
// Assert
result.Should().Be(expectedPropertyValue);
}