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10dcf78c62
MozReview-Commit-ID: 15HVXsKHoYW --HG-- extra : rebase_source : 71b7099d11502b58473921182eaaab74b0682d61
28 lines
1.1 KiB
JavaScript
28 lines
1.1 KiB
JavaScript
/* Test that the charset menu is properly enabled when swapping browsers. */
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add_task(async function test() {
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// NB: This test cheats and calls updateCharacterEncodingMenuState directly
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// instead of opening the "View" menu.
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function charsetMenuEnabled() {
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updateCharacterEncodingMenuState();
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return !document.getElementById("charsetMenu").hasAttribute("disabled");
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}
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const PAGE = "data:text/html;charset=utf-8,<!DOCTYPE html><body>hello";
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let tab1 = await BrowserTestUtils.openNewForegroundTab({ gBrowser, url: PAGE });
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ok(charsetMenuEnabled(), "should have a charset menu here");
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let tab2 = await BrowserTestUtils.openNewForegroundTab({ gBrowser });
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ok(!charsetMenuEnabled(), "about:blank shouldn't have a charset menu");
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await BrowserTestUtils.switchTab(gBrowser, tab1);
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let swapped = BrowserTestUtils.waitForEvent(tab2.linkedBrowser, "SwapDocShells");
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// NB: Closes tab1.
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gBrowser.swapBrowsersAndCloseOther(tab2, tab1);
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await swapped;
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ok(charsetMenuEnabled(), "should have a charset after the swap");
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await BrowserTestUtils.removeTab(tab2);
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});
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