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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'toolkit/mozapps/extensions/test/xpcshell/test_XPIcancel.js')
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diff --git a/toolkit/mozapps/extensions/test/xpcshell/test_XPIcancel.js b/toolkit/mozapps/extensions/test/xpcshell/test_XPIcancel.js
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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);
+}