Prewk\XmlStringStreamer\Parser\UniqueNodeTest::test_uniqueNode_memory_leaks PHP Метод

    public function test_uniqueNode_memory_leaks()
    {
        $node = <<<eot
            <child>
                <foo baz="attribute">Lorem</foo>
                <bar>Ipsum</bar>
                <index>1</index>
            </child>
eot;
        $content = "";
        for ($i = 0; $i < 100; $i++) {
            $content .= $node;
        }
        $xml = <<<eot
            <?xml version="1.0"?>
            <root>
                {$content}
            </root>
eot;
        $BUFFER_SIZE = 50;
        $stream = $this->getStreamMock($xml, $BUFFER_SIZE);
        $parser = new UniqueNode(array("uniqueNode" => "unknown"));
        $memoryFootprintBefore = strlen(serialize($parser));
        $parser->getNodeFrom($stream);
        $memoryFootprintAfter = strlen(serialize($parser));
        $this->assertLessThan($BUFFER_SIZE, $memoryFootprintAfter - $memoryFootprintBefore, "Memory shouldn't grow in an uncontrolled manner when the first node isn't found");
    }