node/test/node-api/test_callback_scope/test-async-hooks.js

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'use strict';
const common = require('../../common');
const assert = require('assert');
const async_hooks = require('async_hooks');
// The async_hook that we enable would register the process.emitWarning()
// call from loading the N-API addon as asynchronous activity because
// it contains a process.nextTick() call. Monkey patch it to be a no-op
// before we load the addon in order to avoid this.
process.emitWarning = () => {};
const { runInCallbackScope } = require(`./build/${common.buildType}/binding`);
let insideHook = false;
async_hooks.createHook({
before: common.mustCall((id) => {
assert.strictEqual(id, 1000);
insideHook = true;
}),
after: common.mustCall((id) => {
assert.strictEqual(id, 1000);
insideHook = false;
})
}).enable();
runInCallbackScope({}, 1000, 1000, () => {
assert(insideHook);
});