public function file_put_contentsExistingFileNonWritableDirectory() { vfsStreamWrapper::register(); vfsStreamWrapper::setRoot(new vfsStreamDirectory('root', 00)); vfsStream::newFile('new.txt')->at(vfsStreamWrapper::getRoot())->withContent('content'); $this->assertEquals(15, @file_put_contents(vfsStream::url('root/new.txt'), 'This does work.')); $this->assertEquals('This does work.', file_get_contents(vfsStream::url('root/new.txt'))); }