michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0:   gBrowser.addProgressListener(progressListener1);
michael@0:   gBrowser.addProgressListener(progressListener2);
michael@0:   gBrowser.addProgressListener(progressListener3);
michael@0:   gBrowser.loadURI("data:text/plain,bug519216");
michael@0: }
michael@0: 
michael@0: var calledListener1 = false;
michael@0: var progressListener1 = {
michael@0:   onLocationChange: function onLocationChange() {
michael@0:     calledListener1 = true;
michael@0:     gBrowser.removeProgressListener(this);
michael@0:   }
michael@0: };
michael@0: 
michael@0: var calledListener2 = false;
michael@0: var progressListener2 = {
michael@0:   onLocationChange: function onLocationChange() {
michael@0:     ok(calledListener1, "called progressListener1 before progressListener2");
michael@0:     calledListener2 = true;
michael@0:     gBrowser.removeProgressListener(this);
michael@0:   }
michael@0: };
michael@0: 
michael@0: var progressListener3 = {
michael@0:   onLocationChange: function onLocationChange() {
michael@0:     ok(calledListener2, "called progressListener2 before progressListener3");
michael@0:     gBrowser.removeProgressListener(this);
michael@0:     gBrowser.addProgressListener(progressListener4);
michael@0:     executeSoon(function () {
michael@0:       expectListener4 = true;
michael@0:       gBrowser.reload();
michael@0:     });
michael@0:   }
michael@0: };
michael@0: 
michael@0: var expectListener4 = false;
michael@0: var progressListener4 = {
michael@0:   onLocationChange: function onLocationChange() {
michael@0:     ok(expectListener4, "didn't call progressListener4 for the first location change");
michael@0:     gBrowser.removeProgressListener(this);
michael@0:     executeSoon(finish);
michael@0:   }
michael@0: };