public function testProtocolVersion()
{
$message = $this->message->withProtocolVersion('1.0');
// The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").
static::assertEquals("1.0", $message->getProtocolVersion());
// This method MUST be implemented in such a way as to retain the
// immutability of the message, and MUST return an instance that has the
// new protocol version.
static::assertNotSame($message, $message->withProtocolVersion("1.0"));
static::assertEquals("1.1", $message->withProtocolVersion("1.1")->getProtocolVersion());
}
public function testProtocolMutatorReturnsCloneWithChanges()
{
$message = $this->message->withProtocolVersion('1.0');
$this->assertNotSame($this->message, $message);
$this->assertEquals('1.0', $message->getProtocolVersion());
}
/**
* {@inheritdoc}
*/
public function withProtocolVersion($version)
{
$new = clone $this;
$new->message = $this->message->withProtocolVersion($version);
return $new;
}
