Adds a QStyle test.

The new test creates and sets a QStyle for all widgets in an UI
hierarchy. One of the widgets, a QFontComboBox, contains a QLineEdit
originated in C++, calling setStyle in it must not steal the ownership
of the QStyle or else things will break.

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/qtgui/qstyle_test.py b/tests/qtgui/qstyle_test.py
new file mode 100755
index 000000000..da467e871
--- /dev/null
+++ b/tests/qtgui/qstyle_test.py
@@ -0,0 +1,32 @@
+
+import unittest
+from helper import UsesQApplication
+
+from PySide.QtGui import QWidget, QLabel, QFontComboBox, QStyleFactory
+
+class SetStyleTest(UsesQApplication):
+    '''Tests setting the same QStyle for all objects in a UI hierarchy.'''
+
+    def testSetStyle(self):
+        '''All this test have to do is not break with some invalid Python wrapper.'''
+
+        def setStyleHelper(widget, style):
+            widget.setStyle(style)
+            widget.setPalette(style.standardPalette())
+            for child in widget.children():
+                if isinstance(child, QWidget):
+                    setStyleHelper(child, style)
+
+        container = QWidget()
+        # QFontComboBox is used because it has an QLineEdit created in C++ inside it,
+        # and if the QWidget.setStyle(style) steals the ownership of the style
+        # for the C++ originated widget everything will break.
+        fontComboBox = QFontComboBox(container)
+        label = QLabel(container)
+        label.setText('Label')
+        style = QStyleFactory.create(QStyleFactory.keys()[0])
+        setStyleHelper(container, style)
+
+if __name__ == '__main__':
+    unittest.main()
+