Diffusion Ant (mir/gc) Code

ant/tests/test_eventemitter_function_call.cjs
445f58992868mir/gc

test_eventemitter_function_call.cjs
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			const { EventEmitter } = require('events');

			function fail(message) {
			console.log(`FAIL: ${message}`);
			process.exit(1);
			}

			function Program() {
			EventEmitter.call(this);
			}

			Program.prototype = {};
			Program.prototype.__proto__ = EventEmitter.prototype;
			Program.prototype.constructor = Program;

			const program = new Program();

			if (!(program instanceof Program)) {
			fail('program should be an instance of Program');
			}

			let seen = 0;
			program.on('tick', () => {
			seen++;
			});
			program.emit('tick');

			if (seen !== 1) {
			fail('EventEmitter.call(this) should initialize event methods on custom receivers');
			}

			const ee = EventEmitter.call({});
			if (typeof ee !== 'object') {
			fail('EventEmitter.call({}) should return the receiver object');
			}

			console.log('PASS');

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