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react: Test removing callback from nonexistent cell #868

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Merged
coriolinus merged 1 commit into from
Sep 9, 2019
Merged

react: Test removing callback from nonexistent cell #868

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24 changes: 24 additions & 0 deletions exercises/react/tests/react.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,30 @@ fn error_adding_callback_to_nonexistent_cell() {
);
}

#[test]
#[ignore]
fn error_removing_callback_from_nonexisting_cell() {
let mut dummy_reactor = Reactor::new();
let dummy_input = dummy_reactor.create_input(1);
let _ = dummy_reactor
.create_compute(&[CellID::Input(dummy_input)], |_| 0)
.unwrap();
let dummy_output = dummy_reactor
.create_compute(&[CellID::Input(dummy_input)], |_| 0)
.unwrap();

let mut reactor = Reactor::new();
let input = reactor.create_input(1);
let output = reactor
.create_compute(&[CellID::Input(input)], |_| 0)
.unwrap();
let callback = reactor.add_callback(output, |_| ()).unwrap();
assert_eq!(
reactor.remove_callback(dummy_output, callback),
Err(RemoveCallbackError::NonexistentCell)
);
}

#[test]
#[ignore]
fn callbacks_only_fire_on_change() {
Expand Down