node/test/parallel/test-event-target.js

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'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`);
}