Fix bug#436 - "Using a custom QValidator generates a segfault"

Reviewer: Marcelo Lira <marcelo.lira@openbossa.org>
          Luciano Wolf <luciano.wolf@openbossa.org>

tests/QtGui/CMakeLists.txt

@@ -71,6 +71,7 @@ PYSIDE_TEST(qtextedit_signal_test.py)
 PYSIDE_TEST(qtoolbar_test.py)
 PYSIDE_TEST(qtoolbox_test.py)
 PYSIDE_TEST(qvariant_test.py)
+PYSIDE_TEST(qvalidator_test.py)
 PYSIDE_TEST(qwidget_setlayout_test.py)
 PYSIDE_TEST(qwidget_test.py)
 PYSIDE_TEST(reference_count_test.py)

tests/QtGui/qvalidator_test.py

@@ -0,0 +1,85 @@
+from PySide.QtCore import *
+from PySide.QtGui import *
+
+import unittest
+from helper import UsesQApplication
+
+class MyValidator1(QValidator):
+    def fixUp(self, input):
+        return "fixed"
+
+    def validate(self, input, pos):
+        return (QValidator.Acceptable, "fixed", 1)
+
+class MyValidator2(QValidator):
+    def fixUp(self, input):
+        return "fixed"
+
+    def validate(self, input, pos):
+        return (QValidator.Acceptable, "fixed")
+
+class MyValidator3(QValidator):
+    def fixUp(self, input):
+        return "fixed"
+
+    def validate(self, input, pos):
+        return (QValidator.Acceptable,)
+
+class MyValidator4(QValidator):
+    def fixUp(self, input):
+        return "fixed"
+
+    def validate(self, input, pos):
+        return QValidator.Acceptable
+
+class QValidatorTest(UsesQApplication):
+    def testValidator1(self):
+        line = QLineEdit()
+        line.setValidator(MyValidator1())
+        line.show()
+        line.setText("foo")
+
+        QTimer.singleShot(0, line.close)
+        self.app.exec_()
+
+        self.assertEqual(line.text(), "fixed")
+        self.assertEqual(line.cursorPosition(), 1)
+
+    def testValidator2(self):
+        line = QLineEdit()
+        line.setValidator(MyValidator2())
+        line.show()
+        line.setText("foo")
+
+        QTimer.singleShot(0, line.close)
+        self.app.exec_()
+
+        self.assertEqual(line.text(), "fixed")
+        self.assertEqual(line.cursorPosition(), 3)
+
+    def testValidator3(self):
+        line = QLineEdit()
+        line.setValidator(MyValidator3())
+        line.show()
+        line.setText("foo")
+
+        QTimer.singleShot(0, line.close)
+        self.app.exec_()
+
+        self.assertEqual(line.text(), "foo")
+        self.assertEqual(line.cursorPosition(), 3)
+
+    def testValidator4(self):
+        line = QLineEdit()
+        line.setValidator(MyValidator4())
+        line.show()
+        line.setText("foo")
+
+        QTimer.singleShot(0, line.close)
+        self.app.exec_()
+
+        self.assertEqual(line.text(), "foo")
+        self.assertEqual(line.cursorPosition(), 3)
+
+if __name__ == '__main__':
+    unittest.main()