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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const URL = `data:text/html;charset=utf-8,
<select id="select">
<option value="1"> 1
<option value="2"> 2
<option value="3"> 3
</select>`;
const VALUES = ["1", "3"];
// Tests that a document that changes a <select> element's "multiple" attribute
// *after* the load event (eg. perhaps in response to some user action) doesn't
// crash the browser when being restored.
add_task(async function () {
// Create new tab.
let tab = BrowserTestUtils.addTab(gBrowser, URL);
await promiseBrowserLoaded(tab.linkedBrowser);
// Change the "multiple" attribute of the <select> element and select some
// options.
await setPropertyOfFormField(tab.linkedBrowser, "select", "multiple", true);
for (let v of VALUES) {
await setPropertyOfFormField(
tab.linkedBrowser,
`option[value="${v}"]`,
"selected",
true
);
}
// Remove the tab.
await promiseRemoveTabAndSessionState(tab);
// Verify state of the closed tab.
let tabData = ss.getClosedTabDataForWindow(window);
Assert.deepEqual(
tabData[0].state.formdata.id.select,
VALUES,
"Collected correct formdata"
);
// Restore the close tab.
tab = ss.undoCloseTab(window, 0);
await promiseTabRestored(tab);
ok(true, "Didn't crash!");
// Cleanup.
gBrowser.removeTab(tab);
});