Kraken\_Module\Util\Buffer\BufferTest::testIteration PHP Method

    public function testIteration()
    {
        $result = null;
        for ($i = 0, $this->iterator->rewind(); $this->iterator->valid(); ++$i, $this->iterator->next()) {
            if ($i !== $this->iterator->key()) {
                $this->fail('Got invalid key from iterator.');
            }
            $result .= $this->iterator->current();
        }
        $this->assertSame($this->initialString, $result);
        $this->iterator->prev();
        $this->assertTrue($this->iterator->valid());
        $this->assertSame($this->buffer->length() - 1, $this->iterator->key());
    }