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'use strict';
const common = require('../../common');
const assert = require('assert');
const async_hooks = require('async_hooks');
const binding = require(`./build/${common.buildType}/binding`);
if (process.env.NODE_TEST_WITH_ASYNC_HOOKS) {
common.skip('cannot test with env var NODE_TEST_WITH_ASYNC_HOOKS');
return;
}
// Baseline to make sure the internal field isn't being set.
assert.strictEqual(
binding.getPromiseField(Promise.resolve(1)),
0);
const hook0 = async_hooks.createHook({}).enable();
// Check that no PromiseWrap is created when there are no hook callbacks.
assert.strictEqual(
binding.getPromiseField(Promise.resolve(1)),
0);
hook0.disable();
let pwrap = null;
const hook1 = async_hooks.createHook({
init(id, type, tid, resource) {
pwrap = resource;
}
}).enable();
// Check that the internal field returns the same PromiseWrap passed to init().
assert.strictEqual(
binding.getPromiseField(Promise.resolve(1)),
pwrap);
hook1.disable();
// Check that internal fields are no longer being set. This needs to be delayed
// a bit because the `disable()` call only schedules disabling the hook in a
// future microtask.
setImmediate(() => {
assert.strictEqual(
binding.getPromiseField(Promise.resolve(1)),
0);
});
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