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-rw-r--r--xpcom/tests/unit/test_bug374754.js59
1 files changed, 59 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_bug374754.js b/xpcom/tests/unit/test_bug374754.js
new file mode 100644
index 000000000..9b0ccf26e
--- /dev/null
+++ b/xpcom/tests/unit/test_bug374754.js
@@ -0,0 +1,59 @@
+var Cc = Components.classes;
+var Ci = Components.interfaces;
+
+var addedTopic = "xpcom-category-entry-added";
+var removedTopic = "xpcom-category-entry-removed";
+var testCategory = "bug-test-category";
+var testEntry = "@mozilla.org/bug-test-entry;1";
+
+var testValue= "check validity";
+var result = "";
+var expected = "add remove add remove ";
+var timer;
+
+var observer = {
+ QueryInterface: function(iid) {
+ if (iid.equals(Ci.nsISupports) || iid.equals(Ci.nsIObserver))
+ return this;
+
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ },
+
+ observe: function(subject, topic, data) {
+ if (topic == "timer-callback") {
+ do_check_eq(result, expected);
+
+ var observerService = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
+ observerService.removeObserver(this, addedTopic);
+ observerService.removeObserver(this, removedTopic);
+
+ do_test_finished();
+
+ timer = null;
+ }
+
+ if (subject.QueryInterface(Ci.nsISupportsCString).data != testEntry || data != testCategory)
+ return;
+
+ if (topic == addedTopic)
+ result += "add ";
+ else if (topic == removedTopic)
+ result += "remove ";
+ }
+};
+
+function run_test() {
+ do_test_pending();
+
+ var observerService = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
+ observerService.addObserver(observer, addedTopic, false);
+ observerService.addObserver(observer, removedTopic, false);
+
+ var categoryManager = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager);
+ categoryManager.addCategoryEntry(testCategory, testEntry, testValue, false, true);
+ categoryManager.addCategoryEntry(testCategory, testEntry, testValue, false, true);
+ categoryManager.deleteCategoryEntry(testCategory, testEntry, false);
+
+ timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+ timer.init(observer, 0, timer.TYPE_ONE_SHOT);
+}