1 files changed, 41 insertions, 0 deletions
diff --git a/tests/QtGui/bug_871.py b/tests/QtGui/bug_871.py
new file mode 100644
index 000000000..a4fdbbfe4
--- /dev/null
+++ b/tests/QtGui/bug_871.py
@@ -0,0 +1,41 @@
+import unittest
+from helper import UsesQApplication
+from PySide.QtGui import QLineEdit, QValidator, QIntValidator
+
+'''Bug #871 - http://bugs.pyside.org/show_bug.cgi?id=871'''
+
+
+class BlankIntValidator(QIntValidator):
+    def validate(self,input,pos):
+        if input == '':
+            return QValidator.Acceptable, input, pos
+        else:
+            return QIntValidator.validate(self,input,pos)
+
+
+class Bug871Test(UsesQApplication):
+    def testWithoutValidator(self):
+        edit = QLineEdit()
+        self.assertEqual(edit.text(), '')
+        edit.insert('1')
+        self.assertEqual(edit.text(), '1')
+        edit.insert('a')
+        self.assertEqual(edit.text(), '1a')
+        edit.insert('2')
+        self.assertEqual(edit.text(), '1a2')
+
+    def testWithIntValidator(self):
+        edit = QLineEdit()
+        edit.setValidator(BlankIntValidator(edit))
+        self.assertEqual(edit.text(), '')
+        edit.insert('1')
+        self.assertEqual(edit.text(), '1')
+        edit.insert('a')
+        self.assertEqual(edit.text(), '1')
+        edit.insert('2')
+        self.assertEqual(edit.text(), '12')
+
+
+if __name__ == "__main__":
+   unittest.main()
+