diff options
Diffstat (limited to 'sources/pyside2/tests/QtWidgets/qlayout_ref_test.py')
| -rw-r--r-- | sources/pyside2/tests/QtWidgets/qlayout_ref_test.py | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/sources/pyside2/tests/QtWidgets/qlayout_ref_test.py b/sources/pyside2/tests/QtWidgets/qlayout_ref_test.py deleted file mode 100644 index 9f0b4cca3..000000000 --- a/sources/pyside2/tests/QtWidgets/qlayout_ref_test.py +++ /dev/null @@ -1,185 +0,0 @@ -############################################################################# -## -## Copyright (C) 2016 The Qt Company Ltd. -## Contact: https://www.qt.io/licensing/ -## -## This file is part of the test suite of Qt for Python. -## -## $QT_BEGIN_LICENSE:GPL-EXCEPT$ -## Commercial License Usage -## Licensees holding valid commercial Qt licenses may use this file in -## accordance with the commercial license agreement provided with the -## Software or, alternatively, in accordance with the terms contained in -## a written agreement between you and The Qt Company. For licensing terms -## and conditions see https://www.qt.io/terms-conditions. For further -## information use the contact form at https://www.qt.io/contact-us. -## -## GNU General Public License Usage -## Alternatively, this file may be used under the terms of the GNU -## General Public License version 3 as published by the Free Software -## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -## included in the packaging of this file. Please review the following -## information to ensure the GNU General Public License requirements will -## be met: https://www.gnu.org/licenses/gpl-3.0.html. -## -## $QT_END_LICENSE$ -## -############################################################################# - -'''Test cases for QLayout handling of child widgets references''' - -import os -import sys -from sys import getrefcount -import unittest - -sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) -from init_paths import init_test_paths -init_test_paths(False) - -from PySide2.QtWidgets import QHBoxLayout, QVBoxLayout, QGridLayout, QWidget -from PySide2.QtWidgets import QStackedLayout, QFormLayout -from PySide2.QtWidgets import QApplication, QPushButton, QLabel - -from helper.usesqapplication import UsesQApplication - -class SaveReference(UsesQApplication): - '''Test case to check if QLayout-derived classes increment the refcount - of widgets passed to addWidget()''' - - # Adding here as nose can't see the qapplication attrib we inherit - qapplication = True - - def setUp(self): - #Acquire resources - super(SaveReference, self).setUp() - self.widget1 = QPushButton('click me') - self.widget2 = QLabel('aaa') - - def tearDown(self): - #Release resources - del self.widget2 - del self.widget1 - super(SaveReference, self).tearDown() - - def checkLayoutReference(self, layout): - #Checks the reference cound handling of layout.addWidget - self.assertEqual(getrefcount(self.widget1), 2) - layout.addWidget(self.widget1) - self.assertEqual(getrefcount(self.widget1), 3) - - self.assertEqual(getrefcount(self.widget2), 2) - layout.addWidget(self.widget2) - self.assertEqual(getrefcount(self.widget2), 3) - - # Check if doesn't mess around with previous widget refcount - self.assertEqual(getrefcount(self.widget1), 3) - - def testMoveLayout(self): - l = QHBoxLayout() - self.assertEqual(getrefcount(self.widget1), 2) - l.addWidget(self.widget1) - self.assertEqual(getrefcount(self.widget1), 3) - - w = QWidget() - w.setLayout(l) - self.assertEqual(getrefcount(self.widget1), 3) - - - def testHBoxReference(self): - #QHBoxLayout.addWidget reference count - w = QWidget() - self.checkLayoutReference(QHBoxLayout(w)) - - def testVBoxReference(self): - #QVBoxLayout.addWidget reference count - w = QWidget() - self.checkLayoutReference(QVBoxLayout(w)) - - def testGridReference(self): - #QGridLayout.addWidget reference count - w = QWidget() - self.checkLayoutReference(QGridLayout(w)) - - def testFormReference(self): - #QFormLayout.addWidget reference count - w = QWidget() - self.checkLayoutReference(QFormLayout(w)) - - def testStackedReference(self): - #QStackedLayout.addWidget reference count - w = QWidget() - self.checkLayoutReference(QStackedLayout(w)) - -class MultipleAdd(UsesQApplication): - '''Test case to check if refcount is incremented only once when multiple - calls to addWidget are made with the same widget''' - - qapplication = True - - def setUp(self): - #Acquire resources - super(MultipleAdd, self).setUp() - self.widget = QPushButton('click me') - self.win = QWidget() - self.layout = QHBoxLayout(self.win) - - def tearDown(self): - #Release resources - del self.widget - del self.layout - del self.win - super(MultipleAdd, self).tearDown() - - def testRefCount(self): - #Multiple QLayout.addWidget calls on the same widget - self.assertEqual(getrefcount(self.widget), 2) - self.layout.addWidget(self.widget) - self.assertEqual(getrefcount(self.widget), 3) - self.layout.addWidget(self.widget) - self.assertEqual(getrefcount(self.widget), 3) - self.layout.addWidget(self.widget) - self.assertEqual(getrefcount(self.widget), 3) - -class InternalAdd(UsesQApplication): - def testInternalRef(self): - mw = QWidget() - w = QWidget() - ow = QWidget() - - topLayout = QGridLayout() - - # unique reference - self.assertEqual(getrefcount(w), 2) - self.assertEqual(getrefcount(ow), 2) - - topLayout.addWidget(w, 0, 0) - topLayout.addWidget(ow, 1, 0) - - # layout keep the referemce - self.assertEqual(getrefcount(w), 3) - self.assertEqual(getrefcount(ow), 3) - - mainLayout = QGridLayout() - - mainLayout.addLayout(topLayout, 1, 0, 1, 4) - - # the same reference - self.assertEqual(getrefcount(w), 3) - self.assertEqual(getrefcount(ow), 3) - - mw.setLayout(mainLayout) - - # now trasfer the ownership to mw - self.assertEqual(getrefcount(w), 3) - self.assertEqual(getrefcount(ow), 3) - - del mw - - # remove the ref and invalidate the widget - self.assertEqual(getrefcount(w), 2) - self.assertEqual(getrefcount(ow), 2) - - -if __name__ == '__main__': - unittest.main() |