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// |reftest| async
// Copyright (C) 2024 Julián Espina. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: |
assert.throwsAsync returns a promise that never settles if func returns a thenable that never settles.
flags: [async]
includes: [asyncHelpers.js]
---*/
var realDone = $DONE;
var doneCalls = 0
globalThis.$DONE = function () {
doneCalls++;
}
function delay() {
var later = Promise.resolve();
for (var i = 0; i < 100; i++) {
later = later.then();
}
return later;
}
(async function () {
// Spy on the promise returned by an invocation of assert.throwsAsync
// with a function that returns a thenable which never settles.
var neverSettlingThenable = { then: function () { } };
const p = assert.throwsAsync(TypeError, function () { return neverSettlingThenable });
assert(p instanceof Promise, "assert.throwsAsync should return a promise");
p.then($DONE, $DONE);
})()
// Give it a long time to try.
.then(delay, delay)
.then(function () {
assert.sameValue(doneCalls, 0, "$DONE should not have been called")
})
.then(realDone, realDone);