<?php declare(strict_types=1);

/**
 * Test: Nette\PhpGenerator & variadics.
 */

use Nette\PhpGenerator\Method;
use Tester\Assert;

require __DIR__ . '/../bootstrap.php';


interface Variadics
{
	function foo(...$foo);

	function bar($foo, array &...$bar);
}


test('Method::from detects variadic methods', function () {
	$method = Method::from([Variadics::class, 'foo']);
	Assert::true($method->isVariadic());

	$method = Method::from([Variadics::class, 'bar']);
	Assert::true($method->isVariadic());
	Assert::true($method->getParameters()['bar']->isReference());
	Assert::same('array', $method->getParameters()['bar']->getType());
});


test('parameterless variadic method', function () {
	$method = (new Method('variadic'))
		->setVariadic()
		->setBody('return 42;');

	same(
		<<<'XX'
			function variadic()
			{
				return 42;
			}

			XX,
		(string) $method,
	);
});


test('variadic method with one parameter', function () {
	$method = (new Method('variadic'))
		->setVariadic()
		->setBody('return 42;');
	$method->addParameter('foo');

	same(
		<<<'XX'
			function variadic(...$foo)
			{
				return 42;
			}

			XX,
		(string) $method,
	);
});


test('variadic method with multiple parameters', function () {
	$method = (new Method('variadic'))
		->setVariadic()
		->setBody('return 42;');
	$method->addParameter('foo');
	$method->addParameter('bar');
	$method->addParameter('baz', []);

	same(
		<<<'XX'
			function variadic($foo, $bar, ...$baz)
			{
				return 42;
			}

			XX,
		(string) $method,
	);
});


test('variadic method with typehinted parameter', function () {
	$method = (new Method('variadic'))
		->setVariadic()
		->setBody('return 42;');
	$method->addParameter('foo')->setType('array');

	same(
		<<<'XX'
			function variadic(array ...$foo)
			{
				return 42;
			}

			XX,
		(string) $method,
	);
});


test('variadic method with typehinted by-reference parameter', function () {
	$method = (new Method('variadic'))
		->setVariadic()
		->setBody('return 42;');
	$method->addParameter('foo')->setType('array')->setReference();

	same(
		<<<'XX'
			function variadic(array &...$foo)
			{
				return 42;
			}

			XX,
		(string) $method,
	);
});