public function testChmod() { $file = new File('file'); $this->assertEquals(Node::DEF_MODE | File::S_IFTYPE, $file->mode()); $file->chmod(0200); $this->assertEquals(0200 | File::S_IFTYPE, $file->mode()); $file->chmod(0777); $this->assertEquals(0777 | File::S_IFTYPE, $file->mode()); }