js/src/jit-test/tests/promise/no-reentrant-drainjobqueue.js


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let thenCalled = false;
let p1 = new Promise(res => res('result')).then(val => {
    Promise.resolve(1).then(_=>{thenCalled = true;});
    // This reentrant call is ignored.
    drainJobQueue();
    assertEq(thenCalled, false);
});

drainJobQueue();
assertEq(thenCalled, true);