Function test

test/__d8.mjs:26–49

(name, fn, path)

		stack.pop();
	},
	async test(name, fn, path) {
		let stackBefore = stack;
		stack = path.concat(name);
		logBuffer = [];
		await new Promise(resolve => {
			let calls = 0;
			const done = () => {
				if (calls++) throw Error(`Callback called multiple times\n\t${name}`);
				log('INFO', `✅  ${name}`);
				resolve();
			};
			Promise.resolve(done)
				.then(fn)
				.then(() => calls || done())
				.catch(err => {
					log('ERROR', `🚨  ${name}`);
					log('ERROR', '\t' + String(err.stack || err.message || err));
					resolve();
				});
		});
		for (let i=0; i<logBuffer.length; i++) log(...logBuffer[i]);
		logBuffer = undefined;
		stack = stackBefore;
	}
};