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| Current File : //proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-vm-timeout-escape-promise-module.js |
// Flags: --experimental-vm-modules
'use strict';
// https://github.com/nodejs/node/issues/3020
// Promises used to allow code to escape the timeout
// set for runInContext, runInNewContext, and runInThisContext.
const common = require('../common');
const assert = require('assert');
const vm = require('vm');
const NS_PER_MS = 1000000n;
const hrtime = process.hrtime.bigint;
function loop() {
const start = hrtime();
while (1) {
const current = hrtime();
const span = (current - start) / NS_PER_MS;
if (span >= 2000n) {
throw new Error(
`escaped timeout at ${span} milliseconds!`);
}
}
}
assert.rejects(async () => {
const module = new vm.SourceTextModule(
'Promise.resolve().then(() => loop()); loop();',
{
context: vm.createContext({
hrtime,
loop
}, { microtaskMode: 'afterEvaluate' })
});
await module.link(common.mustNotCall());
await module.evaluate({ timeout: 5 });
}, {
code: 'ERR_SCRIPT_EXECUTION_TIMEOUT',
message: 'Script execution timed out after 5ms'
});
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