зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.9 KiB
JavaScript
73 строки
2.9 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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add_task(async function test() {
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await SpecialPowers.pushPrefEnv({
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"set": [
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["dom.require_user_interaction_for_beforeunload", false],
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],
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});
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let url = "about:robots";
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let tab0 = gBrowser.tabs[0];
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let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
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gBrowser.discardBrowser(tab0.linkedBrowser);
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ok(!tab0.linkedPanel, "tab0 is suspended");
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await BrowserTestUtils.switchTab(gBrowser, tab0);
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// Test that active tab is not able to be suspended.
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gBrowser.discardBrowser(tab0.linkedBrowser);
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ok(tab0.linkedPanel, "active tab is not able to be suspended");
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// Test that tab that is closing is not able to be suspended.
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gBrowser._beginRemoveTab(tab1);
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gBrowser.discardBrowser(tab1.linkedBrowser);
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ok(tab1.linkedPanel, "cannot suspend a tab that is closing");
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gBrowser._endRemoveTab(tab1);
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// Open tab containing a page which has a beforeunload handler which shows a prompt.
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url = "http://example.com/browser/browser/components/sessionstore/test/browser_1284886_suspend_tab.html";
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tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
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let browser1 = tab1.linkedBrowser;
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await BrowserTestUtils.switchTab(gBrowser, tab0);
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// Test that tab with beforeunload handler which would show a prompt cannot be suspended.
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gBrowser.discardBrowser(browser1);
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ok(tab1.linkedPanel, "cannot suspend a tab with beforeunload handler which would show a prompt");
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// Test that tab with beforeunload handler which would show a prompt will be suspended if forced.
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gBrowser.discardBrowser(browser1, true);
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ok(!tab1.linkedPanel, "force suspending a tab with beforeunload handler which would show a prompt");
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BrowserTestUtils.removeTab(tab1);
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// Open tab containing a page which has a beforeunload handler which does not show a prompt.
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url = "http://example.com/browser/browser/components/sessionstore/test/browser_1284886_suspend_tab_2.html";
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tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
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browser1 = tab1.linkedBrowser;
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await BrowserTestUtils.switchTab(gBrowser, tab0);
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// Test that tab with beforeunload handler which would not show a prompt can be suspended.
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gBrowser.discardBrowser(browser1);
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ok(!tab1.linkedPanel, "can suspend a tab with beforeunload handler which would not show a prompt");
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BrowserTestUtils.removeTab(tab1);
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// Test that non-remote tab is not able to be suspended.
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url = "about:robots";
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tab1 = BrowserTestUtils.addTab(gBrowser, url, { forceNotRemote: true });
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await promiseBrowserLoaded(tab1.linkedBrowser, true, url);
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await BrowserTestUtils.switchTab(gBrowser, tab1);
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await BrowserTestUtils.switchTab(gBrowser, tab0);
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gBrowser.discardBrowser(tab1.linkedBrowser);
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ok(tab1.linkedPanel, "cannot suspend a remote tab");
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BrowserTestUtils.removeTab(tab1);
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});
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