Neos\Flow\Tests\Unit\Http\AbstractMessageTest::setHeaderAddsCharsetToMediaTypeIfNoneWasSpecifiedAndTypeIsText PHP Method

    public function setHeaderAddsCharsetToMediaTypeIfNoneWasSpecifiedAndTypeIsText()
    {
        $message = $this->getAbstractMessageMock();
        $message->setHeader('Content-Type', 'text/plain', true);
        $this->assertEquals('text/plain; charset=UTF-8', $message->getHeader('Content-Type'));
        $message->setHeader('Content-Type', 'text/plain', true);
        $message->setCharset('Shift_JIS');
        $this->assertEquals('text/plain; charset=Shift_JIS', $message->getHeader('Content-Type'));
        $this->assertEquals('Shift_JIS', $message->getCharset());
        $message->setHeader('Content-Type', 'image/jpeg', true);
        $message->setCharset('Shift_JIS');
        $this->assertEquals('image/jpeg', $message->getHeader('Content-Type'));
    }