Unhandled interrupt will halt execution

tests/regress/mov_gs_eax.py

@@ -13,15 +13,12 @@ class VldrPcInsn(regress.RegressTest):
         # mov gs, eax; mov eax, 1
         code = '8ee8b801000000'.decode('hex')
         uc.mem_write(0x1000, code)
-
         uc.reg_write(UC_X86_REG_EAX, 0xFFFFFFFF)
-        # this should throw an error
-        # the eax test is just to prove the second instruction doesn't execute
-        try:
+
+        with self.assertRaises(UcError) as ex_ctx:
             uc.emu_start(0x1000, 0x1000 + len(code))
-        except UcError:
-            return
-        self.assertEqual(uc.reg_read(UC_X86_REG_EAX), 1)
+
+        self.assertEquals(ex_ctx.exception.errno, UC_ERR_UNHANDLED_INTERRUPT)
 
 if __name__ == '__main__':
     regress.main()