'use strict'; require('../common'); const assert = require('assert'); const eventPhases = { 'NONE': 0, 'CAPTURING_PHASE': 1, 'AT_TARGET': 2, 'BUBBLING_PHASE': 3 }; for (const [prop, value] of Object.entries(eventPhases)) { // Check if the value of the property matches the expected value assert.strictEqual(Event[prop], value, `Expected Event.${prop} to be ${value}, but got ${Event[prop]}`); const desc = Object.getOwnPropertyDescriptor(Event, prop); assert.strictEqual(desc.writable, false, `${prop} should not be writable`); assert.strictEqual(desc.configurable, false, `${prop} should not be configurable`); assert.strictEqual(desc.enumerable, true, `${prop} should be enumerable`); }