Maximum area of longest diagonal rectangle

#[test]
fn test_equal_diag_different_area() {
    let start = std::time::Instant::now();
    let val = Solution::area_of_max_diagonal(vec![vec![5, 12], vec![12, 5]]);
    let expected = 60;
    log_result!(val == expected, "test_equal_diag_different_area", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_example1() {
    let start = std::time::Instant::now();
    let val = Solution::area_of_max_diagonal(vec![vec![9, 3], vec![8, 6]]);
    let expected = 48;
    log_result!(val == expected, "test_example1", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_example2() {
    let start = std::time::Instant::now();
    let val = Solution::area_of_max_diagonal(vec![vec![3, 4], vec![4, 3]]);
    let expected = 12;
    log_result!(val == expected, "test_example2", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_multiple_same_diag() {
    let start = std::time::Instant::now();
    let val = Solution::area_of_max_diagonal(vec![vec![3, 4], vec![3, 4], vec![4, 3]]);
    let expected = 12;
    log_result!(val == expected, "test_multiple_same_diag", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_single_rectangle() {
    let start = std::time::Instant::now();
    let val = Solution::area_of_max_diagonal(vec![vec![5, 5]]);
    let expected = 25;
    log_result!(val == expected, "test_single_rectangle", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_tie_pick_max_area() {
    let start = std::time::Instant::now();
    let val = Solution::area_of_max_diagonal(vec![vec![3, 4], vec![6, 8]]);
    let expected = 48;
    log_result!(val == expected, "test_tie_pick_max_area", start, &expected, &val);
    assert_eq!(val, expected);
}