cheng
40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
"""工位 Qt 运行时回归：无设备、无 ROS，检测导致一分钟崩溃的引用计数错误。
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运行：bash station/run_station.sh --self-test
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"""
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import sys
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import unittest
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import PySide6
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from PySide6.QtWidgets import QApplication, QLabel
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class QtRuntimeTest(unittest.TestCase):
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def test_void_calls_preserve_none(self):
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# 先检查版本，防止在有缺陷的绑定上运行压力循环导致解释器直接 abort。
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self.assertEqual(PySide6.__version__, "6.8.3")
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app = QApplication.instance() or QApplication([])
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label = QLabel("warmup")
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def refresh():
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label.setText("updated")
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label.update()
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label.setVisible(False)
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label.style().unpolish(label)
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label.style().polish(label)
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for _ in range(20):
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refresh()
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app.processEvents()
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before = sys.getrefcount(None)
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for _ in range(4000):
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refresh()
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after = sys.getrefcount(None)
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self.assertGreater(after - before, -50, "Qt 调用持续递减 None 引用计数")
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label.deleteLater()
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app.processEvents()
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if __name__ == "__main__":
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unittest.main()
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