Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
const TESTPAGE = `${SECURE_TESTROOT}webapi_checkavailable.html`;
const XPI_URL = `${SECURE_TESTROOT}../xpinstall/amosigned.xpi`;
function waitForClear() {
const MSG = "WebAPICleanup";
return new Promise(resolve => {
let listener = {
receiveMessage(msg) {
if (msg.name == MSG) {
Services.mm.removeMessageListener(MSG, listener);
resolve();
}
},
};
Services.mm.addMessageListener(MSG, listener, true);
});
}
add_setup(async function () {
await SpecialPowers.pushPrefEnv({
set: [
["extensions.webapi.testing", true],
["xpinstall.enabled", false],
["extensions.install.requireBuiltInCerts", false],
],
});
info("added preferences");
});
async function testInstall(browser, args) {
let success = await SpecialPowers.spawn(
browser,
[{ args }],
async function (opts) {
let { args } = opts;
let install;
try {
install = await content.navigator.mozAddonManager.createInstall(args);
} catch (e) {}
return !!install;
}
);
is(success, false, "Install was blocked");
}
add_task(async function () {
// withNewTab() will close the test tab before returning, at which point
// the cleanup event will come from the content process. We need to see
// that event but don't want to race to install a listener for it after
// the tab is closed. So set up the listener now but don't yield the
// listening promise until below.
let clearPromise = waitForClear();
await BrowserTestUtils.withNewTab(TESTPAGE, async function (browser) {
await testInstall(browser, { url: XPI_URL });
});
await clearPromise;
});