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}
#[test]
fn ready_ring_knit_and_unknit_works() {
use MessageOrigin::*;
new_test_ext::<Test>().execute_with(|| {
// Place three queues into the storage.
BookStateFor::<Test>::insert(Here, empty_book::<Test>());
BookStateFor::<Test>::insert(There, empty_book::<Test>());
BookStateFor::<Test>::insert(Everywhere(0), empty_book::<Test>());
// Knit them into the ready ring.
assert_ring(&[]);
knit(&Here);
assert_ring(&[Here]);
knit(&There);
assert_ring(&[Here, There]);
knit(&Everywhere(0));
assert_ring(&[Here, There, Everywhere(0)]);
// Now unknit…
unknit(&Here);
assert_ring(&[There, Everywhere(0)]);
unknit(&There);
assert_ring(&[Everywhere(0)]);
unknit(&Everywhere(0));
assert_ring(&[]);
});
}
#[test]
fn enqueue_message_works() {
use MessageOrigin::*;
let max_msg_per_page = <Test as Config>::HeapSize::get() as u64 /
(ItemHeader::<<Test as Config>::Size>::max_encoded_len() as u64 + 1);
new_test_ext::<Test>().execute_with(|| {
// Enqueue messages which should fill three pages.
let n = max_msg_per_page * 3;
for i in 1..=n {
MessageQueue::enqueue_message(msg("a"), Here);
assert_eq!(QueueChanges::take(), vec![(Here, i, i)], "OnQueueChanged not called");
}
assert_eq!(Pages::<Test>::iter().count(), 3);
// Enqueue one more onto page 4.
MessageQueue::enqueue_message(msg("abc"), Here);
assert_eq!(QueueChanges::take(), vec![(Here, n + 1, n + 3)]);
assert_eq!(Pages::<Test>::iter().count(), 4);
// Check the state.
assert_eq!(BookStateFor::<Test>::iter().count(), 1);
let book = BookStateFor::<Test>::get(Here);
assert_eq!(book.message_count, n + 1);
assert_eq!(book.size, n + 3);
assert_eq!((book.begin, book.end), (0, 4));
assert_eq!(book.count as usize, Pages::<Test>::iter().count());
});
}
#[test]
fn enqueue_messages_works() {
use MessageOrigin::*;
let max_msg_per_page = <Test as Config>::HeapSize::get() as u64 /
(ItemHeader::<<Test as Config>::Size>::max_encoded_len() as u64 + 1);
new_test_ext::<Test>().execute_with(|| {
// Enqueue messages which should fill three pages.
let n = max_msg_per_page * 3;
let msgs = vec![msg("a"); n as usize];
// Now queue all messages at once.
MessageQueue::enqueue_messages(msgs.into_iter(), Here);
// The changed handler should only be called once.
assert_eq!(QueueChanges::take(), vec![(Here, n, n)], "OnQueueChanged not called");
assert_eq!(Pages::<Test>::iter().count(), 3);
// Enqueue one more onto page 4.
MessageQueue::enqueue_message(msg("abc"), Here);
assert_eq!(QueueChanges::take(), vec![(Here, n + 1, n + 3)]);
assert_eq!(Pages::<Test>::iter().count(), 4);
// Check the state.
assert_eq!(BookStateFor::<Test>::iter().count(), 1);
let book = BookStateFor::<Test>::get(Here);
assert_eq!(book.message_count, n + 1);
assert_eq!(book.size, n + 3);
assert_eq!((book.begin, book.end), (0, 4));
assert_eq!(book.count as usize, Pages::<Test>::iter().count());
});
}