зеркало из https://github.com/mozilla/gecko-dev.git
102 строки
2.9 KiB
JavaScript
102 строки
2.9 KiB
JavaScript
function frameScript()
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{
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const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
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function eventHandler(e) {
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if (!docShell) {
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sendAsyncMessage("Test:Fail", "docShell is null");
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}
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sendAsyncMessage("Test:Event", [e.type, e.target === content.document, e.eventPhase]);
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}
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let outerID = content.windowUtils.outerWindowID;
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function onOuterWindowDestroyed(subject, topic, data) {
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if (docShell) {
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sendAsyncMessage("Test:Fail", "docShell is non-null");
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}
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let id = subject.QueryInterface(Ci.nsISupportsPRUint64).data;
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sendAsyncMessage("Test:Event", ["outer-window-destroyed", id == outerID]);
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if (id == outerID) {
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Services.obs.removeObserver(onOuterWindowDestroyed, "outer-window-destroyed");
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}
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}
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let url = "https://example.com/browser/dom/base/test/file_messagemanager_unload.html";
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content.location = url;
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addEventListener("load", (e) => {
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if (e.target.location != url) {
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return;
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}
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addEventListener("unload", eventHandler, false);
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addEventListener("unload", eventHandler, true);
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addEventListener("pagehide", eventHandler, false);
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addEventListener("pagehide", eventHandler, true);
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Services.obs.addObserver(onOuterWindowDestroyed, "outer-window-destroyed");
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sendAsyncMessage("Test:Ready");
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}, true);
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}
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const EXPECTED = [
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// Unload events on the TabChildGlobal. These come first so that the
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// docshell is available.
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["unload", false, 2],
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["unload", false, 2],
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// pagehide and unload events for the top-level page.
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["pagehide", true, 1],
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["pagehide", true, 3],
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["unload", true, 1],
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// pagehide and unload events for the iframe.
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["pagehide", false, 1],
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["pagehide", false, 3],
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["unload", false, 1],
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// outer-window-destroyed for both pages.
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["outer-window-destroyed", false],
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["outer-window-destroyed", true],
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];
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function test() {
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waitForExplicitFinish();
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var newTab = BrowserTestUtils.addTab(gBrowser, "about:blank");
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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let frameLoader = browser.frameLoader;
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ok(frameLoader !== null, "frameLoader looks okay");
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browser.messageManager.loadFrameScript("data:,(" + frameScript.toString() + ")()", false);
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browser.messageManager.addMessageListener("Test:Fail", (msg) => {
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ok(false, msg.data);
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}, true);
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let index = 0;
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browser.messageManager.addMessageListener("Test:Event", (msg) => {
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ok(msg.target === browser, "<browser> is correct");
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ok(msg.targetFrameLoader === frameLoader, "frameLoader is correct");
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ok(browser.frameLoader === null, "browser frameloader null during teardown");
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info(JSON.stringify(msg.data));
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is(JSON.stringify(msg.data), JSON.stringify(EXPECTED[index]), "results match");
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index++;
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if (index == EXPECTED.length) {
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finish();
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}
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}, true);
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browser.messageManager.addMessageListener("Test:Ready", () => {
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info("Got ready message");
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gBrowser.removeCurrentTab();
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});
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}
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