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diff --git a/toolkit/mozapps/extensions/test/xpcshell/test_provider_shutdown.js b/toolkit/mozapps/extensions/test/xpcshell/test_provider_shutdown.js
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+++ b/toolkit/mozapps/extensions/test/xpcshell/test_provider_shutdown.js
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+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// Verify that we report shutdown status for Addon Manager providers
+// and AddonRepository correctly.
+
+createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
+
+// Make a mock AddonRepository that just lets us hang shutdown.
+// Needs two promises - one to let us know that AM has called shutdown,
+// and one for us to let AM know that shutdown is done.
+function mockAddonProvider(aName) {
+ let mockProvider = {
+ donePromise: null,
+ doneResolve: null,
+ doneReject: null,
+ shutdownPromise: null,
+ shutdownResolve: null,
+
+ get name() {
+ return aName;
+ },
+
+ shutdown() {
+ this.shutdownResolve();
+ return this.donePromise;
+ },
+ };
+ mockProvider.donePromise = new Promise((resolve, reject) => {
+ mockProvider.doneResolve = resolve;
+ mockProvider.doneReject = reject;
+ });
+ mockProvider.shutdownPromise = new Promise((resolve, reject) => {
+ mockProvider.shutdownResolve = resolve;
+ });
+ return mockProvider;
+}
+
+function run_test() {
+ run_next_test();
+}
+
+// Helper to find a particular shutdown blocker's status in the JSON blob
+function findInStatus(aStatus, aName) {
+ for (let {name, state} of aStatus.state) {
+ if (name == aName) {
+ return state;
+ }
+ }
+ return null;
+}
+
+/*
+ * Make sure we report correctly when an add-on provider or AddonRepository block shutdown
+ */
+add_task(function* blockRepoShutdown() {
+ // Reach into the AddonManager scope and inject our mock AddonRepository
+ let realAddonRepo = AMscope.AddonRepository;
+ // the mock provider behaves enough like AddonRepository for the purpose of this test
+ let mockRepo = mockAddonProvider("Mock repo");
+ AMscope.AddonRepository = mockRepo;
+
+ let mockProvider = mockAddonProvider("Mock provider");
+
+ startupManager();
+ AddonManagerPrivate.registerProvider(mockProvider);
+
+ // Start shutting the manager down
+ let managerDown = promiseShutdownManager();
+
+ // Wait for manager to call provider shutdown.
+ yield mockProvider.shutdownPromise;
+ // check AsyncShutdown state
+ let status = MockAsyncShutdown.status();
+ equal(findInStatus(status[0], "Mock provider"), "(none)");
+ equal(status[1].name, "AddonRepository: async shutdown");
+ equal(status[1].state, "pending");
+ // let the provider finish
+ mockProvider.doneResolve();
+
+ // Wait for manager to call repo shutdown and start waiting for it
+ yield mockRepo.shutdownPromise;
+ // Check the shutdown state
+ status = MockAsyncShutdown.status();
+ equal(status[0].name, "AddonManager: Waiting for providers to shut down.");
+ equal(status[0].state, "Complete");
+ equal(status[1].name, "AddonRepository: async shutdown");
+ equal(status[1].state, "in progress");
+
+ // Now finish our shutdown, and wait for the manager to wrap up
+ mockRepo.doneResolve();
+ yield managerDown;
+
+ // Check the shutdown state again
+ status = MockAsyncShutdown.status();
+ equal(status[0].name, "AddonRepository: async shutdown");
+ equal(status[0].state, "done");
+});