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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
// Test the cancellable doing/done/cancelAll API in XPIProvider
const { XPIInstall } = ChromeUtils.import(
"resource://gre/modules/addons/XPIInstall.jsm"
);
function run_test() {
// Check that cancelling with nothing in progress doesn't blow up
XPIInstall.cancelAll();
// Check that a basic object gets cancelled
let getsCancelled = {
isCancelled: false,
cancel() {
if (this.isCancelled) {
do_throw("Already cancelled");
}
this.isCancelled = true;
},
};
XPIInstall.doing(getsCancelled);
XPIInstall.cancelAll();
Assert.ok(getsCancelled.isCancelled);
// Check that if we complete a cancellable, it doesn't get cancelled
let doesntGetCancelled = {
cancel: () => do_throw("This should not have been cancelled"),
};
XPIInstall.doing(doesntGetCancelled);
Assert.ok(XPIInstall.done(doesntGetCancelled));
XPIInstall.cancelAll();
// A cancellable that adds a cancellable
getsCancelled.isCancelled = false;
let addsAnother = {
isCancelled: false,
cancel() {
if (this.isCancelled) {
do_throw("Already cancelled");
}
this.isCancelled = true;
XPIInstall.doing(getsCancelled);
},
};
XPIInstall.doing(addsAnother);
XPIInstall.cancelAll();
Assert.ok(addsAnother.isCancelled);
Assert.ok(getsCancelled.isCancelled);
// A cancellable that removes another. This assumes that Set() iterates in the
// order that members were added
let removesAnother = {
isCancelled: false,
cancel() {
if (this.isCancelled) {
do_throw("Already cancelled");
}
this.isCancelled = true;
XPIInstall.done(doesntGetCancelled);
},
};
XPIInstall.doing(removesAnother);
XPIInstall.doing(doesntGetCancelled);
XPIInstall.cancelAll();
Assert.ok(removesAnother.isCancelled);
}
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