Function test_nullif_strings

graphlite/src/functions/null_functions.rs:180–193

()

    #[test]
    fn test_nullif_strings() {
        let func = NullIfFunction::new();
        let context = FunctionContext::new(
            vec![],
            HashMap::new(),
            vec![
                Value::String("hello".to_string()),
                Value::String("hello".to_string()),
            ],
        );

        let result = func.execute(&context).unwrap();
        assert!(result.is_null());
    }

    #[test]
    fn test_coalesce_first_non_null() {