node/test/parallel/test-async-hooks-recursive-stack-runInAsyncScope.js

'use strict';
const common = require('../common');
const assert = require('assert');
const async_hooks = require('async_hooks');

// This test verifies that the async ID stack can grow indefinitely.

function recurse(n) {
  const a = new async_hooks.AsyncResource('foobar');
  a.runInAsyncScope(common.mustCall(() => {
    assert.strictEqual(a.asyncId(), async_hooks.executionAsyncId());
    assert.strictEqual(a.triggerAsyncId(), async_hooks.triggerAsyncId());
    if (n >= 0)
      recurse(n - 1);
    assert.strictEqual(a.asyncId(), async_hooks.executionAsyncId());
    assert.strictEqual(a.triggerAsyncId(), async_hooks.triggerAsyncId());
  }));
}

recurse(1000);