Fix bugs 430, 426, 429, 394, 433.

These bugs are about QApplication instance being destroyed  before
some QObject.

Reviewer: Luciano Wolf <luciano.wolf@openbossa.org>
          Renato Araújo <renato.filho@openbossa.org>

tests/QtGui/CMakeLists.txt

@@ -13,6 +13,9 @@ PYSIDE_TEST(bug_367.py)
 PYSIDE_TEST(bug_389.py)
 PYSIDE_TEST(bug_400.py)
 PYSIDE_TEST(bug_416.py)
+PYSIDE_TEST(bug_429.py)
+PYSIDE_TEST(bug_430.py)
+PYSIDE_TEST(bug_433.py)
 PYSIDE_TEST(customproxywidget_test.py)
 PYSIDE_TEST(deepcopy_test.py)
 PYSIDE_TEST(float_to_int_implicit_conversion_test.py)

tests/QtGui/bug_429.py

@@ -0,0 +1,10 @@
+from PySide.QtCore import *
+from PySide.QtGui import *
+import sys
+
+app = QApplication(sys.argv)
+scene = QGraphicsScene()
+label = QLabel("hello world")
+label.show()
+QTimer.singleShot(0, label.close)
+exit(app.exec_())

tests/QtGui/bug_430.py

@@ -0,0 +1,14 @@
+import sys
+from PySide.QtCore import *
+from PySide.QtGui import *
+
+class ListModel(QAbstractListModel):
+    def rowCount(self, parent = QModelIndex()):
+        return len(self._items)
+
+app = QApplication([])
+model = ListModel()
+v = QListView()
+v.setModel(model)
+QTimer.singleShot(0, v.close)
+app.exec_()

tests/QtGui/bug_433.py

@@ -0,0 +1,14 @@
+from PySide import QtCore, QtGui
+import sys
+
+class Test(QtGui.QGraphicsView):
+    def __init__(self, parent=None):
+        super(Test, self).__init__(parent)
+        self.s = QtGui.QGraphicsScene()
+        self.setScene(self.s)
+
+a = QtGui.QApplication(sys.argv)
+t = Test()
+t.show()
+QtCore.QTimer.singleShot(0, t.close)
+sys.exit(a.exec_())