Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

/* Test that the charset menu is properly enabled when swapping browsers. */
add_task(async function test() {
function charsetMenuEnabled() {
return !document
.getElementById("repair-text-encoding")
.hasAttribute("disabled");
}
const PAGE =
"data:text/html;charset=windows-1252,<!DOCTYPE html><body>hello %e4";
let tab1 = await BrowserTestUtils.openNewForegroundTab({
gBrowser,
url: PAGE,
});
await BrowserTestUtils.waitForMutationCondition(
document.getElementById("repair-text-encoding"),
{ attributes: true },
charsetMenuEnabled
);
ok(charsetMenuEnabled(), "should have a charset menu here");
let tab2 = await BrowserTestUtils.openNewForegroundTab({ gBrowser });
ok(!charsetMenuEnabled(), "about:blank shouldn't have a charset menu");
await BrowserTestUtils.switchTab(gBrowser, tab1);
let swapped = BrowserTestUtils.waitForEvent(
tab2.linkedBrowser,
"SwapDocShells"
);
// NB: Closes tab1.
gBrowser.swapBrowsersAndCloseOther(tab2, tab1);
await swapped;
ok(charsetMenuEnabled(), "should have a charset after the swap");
BrowserTestUtils.removeTab(tab2);
});