#[macro_export]
macro_rules! assert_set_eq {
($left:expr, $right:expr $(,)?) => ({
match (&$left, &$right) {
(left_val, right_val) => {
let left_set: ::std::collections::HashSet<_> = left_val.into_iter().collect();
let right_set: std::collections::HashSet<_> = right_val.into_iter().collect();
assert_eq!(left_set, right_set);
}
}
});
($left:expr, $right:expr, $($arg:tt)+) => ({
match (&($left), &($right)) {
(left_val, right_val) => {
let left_set: std::collections::HashSet<_> = left_val.into_iter().collect();
let right_set: std::collections::HashSet<_> = right_val.into_iter().collect();
assert_eq!(left_set, right_set, $($arg)+);
}
}
});
}
#[cfg(test)]
mod tests {
#[test]
fn test_assert_set_eq_with_arity_2_return_success() {
assert_set_eq!(vec![1, 2], vec![1, 2]);
}
#[test]
fn test_assert_set_eq_with_arity_3_return_success() {
assert_set_eq!(vec![1, 2], vec![1, 2], "message");
}
#[test]
#[should_panic(expected = "assertion failed")]
fn test_assert_set_eq_with_arity_2_return_failure() {
assert_set_eq!(vec![1, 2], vec![3, 4]);
}
#[test]
#[should_panic(expected = "assertion failed")]
fn test_assert_set_eq_with_arity_3_return_failure() {
assert_set_eq!(vec![1, 2], vec![3, 4], "message");
}
}