org\bovigo\vfs\vfsStreamWrapperFileTestCase::truncatesFileWhenOpenedWithModeW PHP Метод

    public function truncatesFileWhenOpenedWithModeW()
    {
        $vfsFile = vfsStream::url('foo/overwrite.txt');
        file_put_contents($vfsFile, 'test');
        $fp = fopen($vfsFile, 'wb');
        $this->assertEquals('', file_get_contents($vfsFile));
        fclose($fp);
    }