public function testArgumentUnpacking()
{
$valueSet = [['strlen', ['abcdef']], ['strlen', ['123']], ['substr', ['abcdef', 2]], ['substr', ['abcdef', 3, 4]], ['substr', ['abcdef', -3, 2]]];
$this->assertRecompilesCorrectly([$this->parameters, 'argumentUnpacking'], $valueSet);
}