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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use script::test::timeranges::TimeRangesContainer;
fn check(time_ranges: &TimeRangesContainer, expected: &'static str) {
assert_eq!(
format!("{:?}", time_ranges),
format!("TimeRangesContainer {{ ranges: [{}] }}", expected)
);
}
#[test]
fn initial_state() {
let time_ranges = TimeRangesContainer::new();
assert_eq!(time_ranges.len(), 0);
assert!(time_ranges.start(0).is_err());
assert!(time_ranges.end(0).is_err());
}
#[test]
fn error_if_start_is_older_than_end() {
let mut time_ranges = TimeRangesContainer::new();
assert!(time_ranges.add(2., 1.).is_err());
}
#[test]
fn single_range() {
let mut time_ranges = TimeRangesContainer::new();
time_ranges.add(1., 2.).unwrap();
check(&time_ranges, "[1,2)");
assert_eq!(time_ranges.start(0).unwrap(), 1.);
assert_eq!(time_ranges.end(0).unwrap(), 2.);
}
#[test]
fn add_order() {
let mut time_ranges_a = TimeRangesContainer::new();
for range in vec![(0., 2.), (3., 4.), (5., 100.)].iter() {
time_ranges_a.add(range.0, range.1).unwrap();
}
let expected = "[0,2), [3,4), [5,100)";
check(&time_ranges_a, expected);
let mut time_ranges_b = TimeRangesContainer::new();
// Add the values in time_ranges_a to time_ranges_b in reverse order.
for i in (0..time_ranges_a.len()).rev() {
time_ranges_b
.add(
time_ranges_a.start(i).unwrap(),
time_ranges_a.end(i).unwrap(),
)
.unwrap();
}
check(&time_ranges_b, expected);
}
#[test]
fn add_overlapping() {
let mut time_ranges = TimeRangesContainer::new();
time_ranges.add(0., 2.).unwrap();
time_ranges.add(10., 11.).unwrap();
check(&time_ranges, "[0,2), [10,11)");
time_ranges.add(0., 2.).unwrap();
check(&time_ranges, "[0,2), [10,11)");
time_ranges.add(2., 3.).unwrap();
check(&time_ranges, "[0,3), [10,11)");
time_ranges.add(2., 6.).unwrap();
check(&time_ranges, "[0,6), [10,11)");
time_ranges.add(9., 10.).unwrap();
check(&time_ranges, "[0,6), [9,11)");
time_ranges.add(8., 10.).unwrap();
check(&time_ranges, "[0,6), [8,11)");
time_ranges.add(-1., 7.).unwrap();
check(&time_ranges, "[-1,7), [8,11)");
time_ranges.add(6., 9.).unwrap();
check(&time_ranges, "[-1,11)");
}
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