public void TryValidateModelEmptyBindingContextThrowsException()
{
// Arrange
var controller = new TestableController();
var model = new TryValidateModelModel();
// Act & Assert
var exception = Assert.Throws<InvalidOperationException>(() => controller.TryValidateModel(model));
Assert.Equal("The 'BindingContext' property of 'Microsoft.AspNet.Mvc.Controller' must not be null.", exception.Message);
}