Fixed signal signature parser.

Fixes bug #311.

Reviewer: Luciano Wolf <luciano.wolf@openbossa.org>
          Hugo Parente Lima <hugo.pl@gmail.com>

tests/signals/CMakeLists.txt

@@ -1,4 +1,5 @@
 PYSIDE_TEST(args_dont_match_test.py)
+PYSIDE_TEST(bug_311.py)
 PYSIDE_TEST(decorators_test.py)
 PYSIDE_TEST(invalid_callback_test.py)
 PYSIDE_TEST(lambda_gui_test.py)

tests/signals/bug_311.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import unittest
+from PySide import QtCore
+from helper import UsesQCoreApplication
+
+class DerivedDate(QtCore.QDate):
+    def __init__(self,y,m,d):
+        super(DerivedDate,self).__init__(y,m,d)
+
+class Emitter(QtCore.QObject):
+    dateSignal1 = QtCore.Signal(QtCore.QDate)
+    dateSignal2 = QtCore.Signal(DerivedDate)
+    tupleSignal = QtCore.Signal(tuple)
+
+class SignaltoSignalTest(UsesQCoreApplication):
+    def myCb(self, dt):
+        self._dt = dt
+
+    def testBug(self):
+        e = Emitter()
+        d = DerivedDate(2010,8,24)
+        self._dt = None
+        e.dateSignal1.connect(self.myCb)
+        e.dateSignal1.emit(d)
+        self.assertEqual(self._dt, d)
+
+        self._dt = None
+        e.dateSignal2.connect(self.myCb)
+        e.dateSignal2.emit(d)
+        self.assertEqual(self._dt, d)
+
+        myTuple = (5, 6, 7)
+        self._dt = None
+        e.tupleSignal.connect(self.myCb)
+        e.tupleSignal.emit(myTuple)
+        self.assertEqual(myTuple, self._dt)
+
+if __name__ == '__main__':
+    unittest.main()
+