use malachite_base::rational_sequences::RationalSequence;
use malachite_base::test_util::generators::{
unsigned_rational_sequence_unsigned_pair_gen_var_1,
unsigned_rational_sequence_unsigned_pair_gen_var_2,
};
#[test]
pub fn test_get() {
fn test(non_repeating: &[u8], repeating: &[u8], index: usize, out: Option<&u8>) {
let xs = RationalSequence::from_slices(non_repeating, repeating);
assert_eq!(xs.get(index), out);
}
test(&[], &[], 0, None);
test(&[1, 2, 3], &[], 0, Some(&1));
test(&[1, 2, 3], &[], 1, Some(&2));
test(&[1, 2, 3], &[], 2, Some(&3));
test(&[1, 2, 3], &[], 3, None);
test(&[1, 2, 3], &[4], 3, Some(&4));
test(&[1, 2, 3], &[4], 100, Some(&4));
}
#[test]
pub fn test_index() {
fn test(non_repeating: &[u8], repeating: &[u8], index: usize, out: u8) {
let xs = RationalSequence::from_slices(non_repeating, repeating);
assert_eq!(xs[index], out);
}
test(&[1, 2, 3], &[], 0, 1);
test(&[1, 2, 3], &[], 1, 2);
test(&[1, 2, 3], &[], 2, 3);
test(&[1, 2, 3], &[4], 3, 4);
test(&[1, 2, 3], &[4], 100, 4);
}
#[allow(clippy::unnecessary_operation)]
#[test]
#[should_panic]
fn index_fail_1() {
RationalSequence::<u8>::from_vec(vec![])[0];
}
#[allow(clippy::unnecessary_operation)]
#[test]
#[should_panic]
fn index_fail_2() {
RationalSequence::from_vec(vec![1, 2, 3])[3];
}
#[test]
fn get_properties() {
unsigned_rational_sequence_unsigned_pair_gen_var_1::<u8, usize>().test_properties(
|(xs, index)| {
assert_eq!(xs.get(index), xs.iter().nth(index));
},
);
}
#[test]
fn index_properties() {
unsigned_rational_sequence_unsigned_pair_gen_var_2::<u8>().test_properties(|(xs, index)| {
let x = xs[index];
assert_eq!(xs.iter().nth(index).unwrap(), &x);
assert_eq!(xs.get(index), Some(&x));
});
}