use ClassName::class syntax

Author: JanTvrdik

tests/PhpGenerator/Helpers.format.phpt

@@ -25,11 +25,11 @@ Assert::same(
 
 Assert::exception(function () {
 	Helpers::formatArgs('func(?*)', [1, 2]);
-}, 'Nette\InvalidArgumentException', 'Argument must be an array.');
+}, Nette\InvalidArgumentException::class, 'Argument must be an array.');
 
 Assert::exception(function () {
 	Helpers::formatArgs('func(?, ?, ?)', [1, 2]);
-}, 'Nette\InvalidArgumentException', 'Insufficient number of arguments.');
+}, Nette\InvalidArgumentException::class, 'Insufficient number of arguments.');
 
 Assert::same('$a = 2', Helpers::formatArgs('$? = ?', ['a', 2]));
 Assert::same('$obj->a = 2', Helpers::formatArgs('$obj->? = ?', ['a', 2]));

tests/PhpGenerator/PhpNamespace.phpt

@@ -31,7 +31,7 @@ Assert::same($namespace, $interfaceB->getNamespace());
 Assert::exception(function () use ($namespace) {
 	$traitC = $namespace->addTrait('C');
 	Assert::same($namespace, $traitC->getNamespace());
-}, 'Nette\InvalidStateException', "Alias 'C' used already for 'Bar\\C', cannot use for 'Foo\\C'.");
+}, Nette\InvalidStateException::class, "Alias 'C' used already for 'Bar\\C', cannot use for 'Foo\\C'.");
 
 $classA
 	->addImplement('Foo\\A')