/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/**
* Tests that if a pre-existing about:home cache exists, that it can
* be overwritten with new information.
*/
add_task(async function test_overwrite_cache() {
await withFullyLoadedAboutHome(async browser => {
await simulateRestart(browser);
const TEST_ID = "test_overwrite_cache_h1";
// We need the CSP meta tag in about: pages, otherwise we hit assertions in
// debug builds.
await injectIntoCache(
`
Something new
`,
"window.__FROM_STARTUP_CACHE__ = true;"
);
await simulateRestart(browser, { withAutoShutdownWrite: false });
await SpecialPowers.spawn(browser, [TEST_ID], async testID => {
let target = content.document.getElementById(testID);
Assert.ok(target, "Found the target element");
});
});
});