public function testConstructorInitializesProperties()
{
$handle = fopen('php://temp', 'r+');
fwrite($handle, 'data');
$stream = new Stream($handle);
$this->assertTrue($stream->isReadable());
$this->assertTrue($stream->isWritable());
$this->assertTrue($stream->isSeekable());
$this->assertEquals('php://temp', $stream->getMetadata('uri'));
$this->assertInternalType('array', $stream->getMetadata());
$this->assertEquals(4, $stream->getSize());
$this->assertFalse($stream->eof());
$stream->close();
}
public function testCloseClearProperties()
{
$handle = fopen('php://temp', 'r+');
$stream = new Stream($handle);
$stream->close();
$this->assertEmpty($stream->getMetadata());
$this->assertFalse($stream->isSeekable());
$this->assertFalse($stream->isReadable());
$this->assertFalse($stream->isWritable());
$this->assertNull($stream->getSize());
}
public function testCanDetachStream()
{
$r = fopen('php://temp', 'w+');
$stream = new Stream($r);
$this->assertTrue($stream->isReadable());
$this->assertSame($r, $stream->detach());
$this->assertNull($stream->detach());
$this->assertFalse($stream->isReadable());
$this->assertSame('', $stream->read(10));
$this->assertFalse($stream->isWritable());
$this->assertFalse($stream->write('foo'));
$this->assertFalse($stream->isSeekable());
$this->assertFalse($stream->seek(10));
$this->assertFalse($stream->tell());
$this->assertFalse($stream->eof());
$this->assertNull($stream->getSize());
$this->assertSame('', (string) $stream);
$this->assertSame('', $stream->getContents());
$stream->close();
}