// Flags: --inspect=0 'use strict'; const common = require('../common'); common.skipIfInspectorDisabled(); common.skipIfWorker(); const assert = require('assert'); const inspector = require('inspector'); const wsUrl = inspector.url(); assert(wsUrl.startsWith('ws://')); assert.throws(() => { inspector.open(0, undefined, false); }, { code: 'ERR_INSPECTOR_ALREADY_ACTIVATED' }); assert.strictEqual(inspector.url(), wsUrl); inspector.close(); assert.strictEqual(inspector.url(), undefined);