23 lines
760 B
JavaScript
23 lines
760 B
JavaScript
"use strict";
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var gTestTab;
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var gContentAPI;
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add_task(setup_UITourTest);
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add_UITour_task(async function test_closeTab() {
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// Setting gTestTab to null indicates that the tab has already been closed,
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// and if this does not happen the test run will fail.
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let closePromise = BrowserTestUtils.waitForEvent(
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gBrowser.tabContainer,
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"TabClose"
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);
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// In the e10s-case, having content request a tab close might mean
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// that the ContentTask used to send this closeTab message won't
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// get a response (since the message manager may have closed down).
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// So we ignore the Promise that closeTab returns, and use the TabClose
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// event to tell us when the tab has gone away.
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gContentAPI.closeTab();
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await closePromise;
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gTestTab = null;
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});
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