org\bovigo\vfs\vfsStreamWrapperMkDirTestCase::mkDirShouldNotOverwriteExistingDirectories PHP Метод

    public function mkDirShouldNotOverwriteExistingDirectories()
    {
        vfsStream::setup('root');
        $dir = vfsStream::url('root/dir');
        $this->assertTrue(mkdir($dir));
        $this->assertFalse(@mkdir($dir));
    }