On Linux with WebKit r58755 and Qt 4.7 HEAD 32ecf8e8ad326ea13ec9a430c99ce540e8b4efacand, and on Maemo with Qt 4.6 and the same revision of WebKit, this test fails (it actually crashes on Maemo5). Curiously, I couldn't reproduce this on Mac OS (Snow Leopard)...
*** This bug has been marked as a duplicate of bug 37316 ***