function testConcatReader()
{
$source = File_Archive::readMulti();
$source->addSource(File_Archive::readMemory("ABCDE", "fo"));
$source->addSource(File_Archive::readMemory("FGHIJ", "ob"));
$source->addSource(File_Archive::readMemory("KLMNO", "ar"));
$reader = File_Archive::readConcat($source, "foobar");
$this->assertTrue($reader->next());
$this->assertEquals("ABC", $reader->getData(3));
$this->assertEquals("DEF", $reader->getData(3));
$this->assertEquals("GHIJKLMNO", $reader->getData());
$this->assertFalse($reader->next());
$reader->close();
}