public void Add_Remove_Function() { ExpressionProcessor.AddFunction(typeof(string), nameof(string.Trim)); Assert.True(ExpressionProcessor.ContainsFunction(typeof(string), nameof(string.Trim))); ExpressionProcessor.RemoveFunction(typeof(string), nameof(string.Trim)); Assert.False(ExpressionProcessor.ContainsFunction(typeof(string), nameof(string.Trim))); }