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fix(MapLayer): Avoid crash when error list is empty

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This commit is contained in:
Julien Cabieces 2024-06-04 17:29:33 +02:00 committed by Nyall Dawson
parent 9e12e2d59c
commit 56b17dba74
2 changed files with 9 additions and 1 deletions
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2
src/core/qgserror.cpp
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@ -129,5 +129,5 @@ QString QgsError::message( QgsErrorMessage::Format format ) const
QString QgsError::summary() const
{
// The first message in chain is usually the real error given by backend/server
return mMessageList.first().message();
return ( mMessageList.isEmpty() ? QString() : mMessageList.first().message() );
}

8
tests/src/python/test_qgsmaplayer.py
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@ -542,6 +542,14 @@ class TestQgsMapLayer(QgisTestCase):
self.assertFalse(rl.mapTipTemplate())
self.assertFalse(rl.hasMapTips())
def testError(self):
"""
Test error reporting methods
"""
vl = QgsVectorLayer("ErrorString", "test", "error")
self.assertFalse(vl.isValid())
self.assertEqual(vl.error().summary(), "")
if __name__ == '__main__':
unittest.main()