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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
var scope = Components.utils.import("resource://gre/modules/addons/XPIProvider.jsm");
var XPIProvider = scope.XPIProvider;
function run_test() {
// Check that cancelling with nothing in progress doesn't blow up
XPIProvider.cancelAll();
// Check that a basic object gets cancelled
let getsCancelled = {
isCancelled: false,
cancel: function () {
if (this.isCancelled)
do_throw("Already cancelled");
this.isCancelled = true;
}
};
XPIProvider.doing(getsCancelled);
XPIProvider.cancelAll();
do_check_true(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")
};
XPIProvider.doing(doesntGetCancelled);
do_check_true(XPIProvider.done(doesntGetCancelled));
XPIProvider.cancelAll();
// A cancellable that adds a cancellable
getsCancelled.isCancelled = false;
let addsAnother = {
isCancelled: false,
cancel: function () {
if (this.isCancelled)
do_throw("Already cancelled");
this.isCancelled = true;
XPIProvider.doing(getsCancelled);
}
}
XPIProvider.doing(addsAnother);
XPIProvider.cancelAll();
do_check_true(addsAnother.isCancelled);
do_check_true(getsCancelled.isCancelled);
// A cancellable that removes another. This assumes that Set() iterates in the
// order that members were added
let removesAnother = {
isCancelled: false,
cancel: function () {
if (this.isCancelled)
do_throw("Already cancelled");
this.isCancelled = true;
XPIProvider.done(doesntGetCancelled);
}
}
XPIProvider.doing(removesAnother);
XPIProvider.doing(doesntGetCancelled);
XPIProvider.cancelAll();
do_check_true(removesAnother.isCancelled);
}
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