public function testWrittenPoHasGnuHeader()
{
$this->adapter->mo = false;
$data = array('singular 1' => array('id' => 'singular 1', 'ids' => array('singular' => 'singular 1', 'plural' => 'plural 1'), 'flags' => array(), 'translated' => array('translated 1-0', 'translated 1-1'), 'occurrences' => array(), 'comments' => array(), 'context' => null), 'singular 2' => array('id' => 'singular 2', 'ids' => array('singular' => 'singular 2', 'plural' => null), 'flags' => array(), 'translated' => array('translated 2'), 'occurrences' => array(), 'comments' => array(), 'context' => null));
$this->adapter->write('message', 'de', null, $data);
$result = file_get_contents("{$this->_path}/de/LC_MESSAGES/default.po");
$expected = 'msgstr ""\\n"Project-Id';
$this->assertPattern("%{$expected}%", $result);
$expected = '"Project-Id-Version: PACKAGE VERSION\\\\n"\\n';
$this->assertPattern("%{$expected}%", $result);
$expected = '"POT-Creation-Date: YEAR-MO-DA HO:MI\\+ZONE\\\\n"\\n';
$this->assertPattern("%{$expected}%", $result);
$expected = '"PO-Revision-Date: YEAR-MO-DA HO:MI\\+ZONE\\\\n"\\n';
$this->assertPattern("%{$expected}%", $result);
$expected = '"Last-Translator: FULL NAME <EMAIL@ADDRESS>\\\\n"\\n';
$this->assertPattern("%{$expected}%", $result);
$expected = '"Language-Team: LANGUAGE <EMAIL@ADDRESS>\\\\n"\\n';
$this->assertPattern("%{$expected}%", $result);
$expected = '"MIME-Version: 1.0\\\\n"\\n';
$this->assertPattern("%{$expected}%", $result);
$expected = '"Content-Type: text/plain; charset=UTF-8\\\\n"\\n';
$this->assertPattern("%{$expected}%", $result);
$expected = '"Content-Transfer-Encoding: 8bit\\\\n"\\n';
$this->assertPattern("%{$expected}%", $result);
$expected = '"Plural-Forms: nplurals=INTEGER; plural=EXPRESSION;\\\\n"\\n';
$this->assertPattern("%{$expected}%", $result);
}