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Diffstat (limited to 'tools/addon-sdk-1.7/packages/api-utils/tests/test-tab-observer.js')
-rw-r--r-- | tools/addon-sdk-1.7/packages/api-utils/tests/test-tab-observer.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.7/packages/api-utils/tests/test-tab-observer.js b/tools/addon-sdk-1.7/packages/api-utils/tests/test-tab-observer.js new file mode 100644 index 0000000..3a506fa --- /dev/null +++ b/tools/addon-sdk-1.7/packages/api-utils/tests/test-tab-observer.js @@ -0,0 +1,39 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +const { openTab, closeTab } = require("api-utils/tabs/utils"); +const { Loader } = require("./helpers"); +const { setTimeout } = require("timer"); + +exports["test unload tab observer"] = function(assert, done) { + let loader = Loader(module); + + let window = loader.require("api-utils/window-utils").activeBrowserWindow; + let observer = loader.require("api-utils/tabs/observer").observer; + let opened = 0; + let closed = 0; + + observer.on("open", function onOpen(window) { opened++; }); + observer.on("close", function onClose(window) { closed++; }); + + // Open and close tab to trigger observers. + closeTab(openTab(window, "data:text/html,tab-1")); + + // Unload the module so that all listeners set by observer are removed. + loader.unload(); + + // Open and close tab once again. + closeTab(openTab(window, "data:text/html,tab-2")); + + // Enqueuing asserts to make sure that assertion is not performed early. + setTimeout(function () { + assert.equal(1, opened, "observer open was called before unload only"); + assert.equal(1, closed, "observer close was called before unload only"); + done(); + }, 0); +}; + +require("test").run(exports); |