forked from mirrors/gecko-dev
48 lines
1.4 KiB
JavaScript
48 lines
1.4 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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// This test ensures that attempts made to save/restore ("duplicate") pages
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// using designmode AND make changes to document structure (remove body)
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// don't result in uncaught errors and a broken browser state.
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function test() {
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waitForExplicitFinish();
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let testURL = "http://mochi.test:8888/browser/" +
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"browser/components/sessionstore/test/browser_739531_sample.html";
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let loadCount = 0;
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let tab = BrowserTestUtils.addTab(gBrowser, testURL);
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let removeFunc;
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removeFunc = BrowserTestUtils.addContentEventListener(tab.linkedBrowser, "load", function onLoad(aEvent) {
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// make sure both the page and the frame are loaded
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if (++loadCount < 2)
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return;
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removeFunc();
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// executeSoon to allow the JS to execute on the page
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executeSoon(function() {
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let tab2;
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let caughtError = false;
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try {
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tab2 = ss.duplicateTab(window, tab);
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} catch (e) {
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caughtError = true;
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info(e);
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}
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is(gBrowser.tabs.length, 3, "there should be 3 tabs");
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ok(!caughtError, "duplicateTab didn't throw");
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// if the test fails, we don't want to try to close a tab that doesn't exist
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if (tab2)
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gBrowser.removeTab(tab2);
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gBrowser.removeTab(tab);
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finish();
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});
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}, true);
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}
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