Function assert_contents

datafusion/optimizer/src/join_key_set.rs:249–252

(set: &JoinKeySet, expected: Vec<(&Expr, &Expr)>)

    }

    fn assert_contents(set: &JoinKeySet, expected: Vec<(&Expr, &Expr)>) {
        let contents: Vec<_> = set.iter().collect();
        assert_eq!(contents, expected);
    }

    #[test]
    fn test_insert_all() {