#include <QApplication>
#include <QCleanlooksStyle>
#include <QProxyStyle>

int main(int argc, char* argv[])
{
  QApplication app(argc, argv);
  QCleanlooksStyle* base = new QCleanlooksStyle;
  QProxyStyle* proxyA = new QProxyStyle(base);
  Q_ASSERT(base->proxy() == proxyA);
  proxyA->standardPalette();
  Q_ASSERT(base->proxy() == proxyA);
  QProxyStyle* proxyB = new QProxyStyle(base);
  Q_ASSERT(base->proxy() == proxyB);
  proxyB->standardPalette();
  Q_ASSERT(base->proxy() == proxyB);
  proxyA->standardPalette();
  Q_ASSERT(base->proxy() == proxyA); // -> fail
  return 0;
}