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  1. Qt
  2. QTBUG-114238

API asymmetry in isEmpty / isNull between QByteArray and QString operator+=

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    • 4d261c1b5 (dev), 2c12c9b01 (6.6), 8ed2bc919 (dev)

    Description

      Found as part of https://codereview.qt-project.org/c/qt/qtbase/+/481727 , cf. QTBUG-114206

      Testcase:

              S a;
        QVERIFY(a.isNull());
        S empty = "";         
        QVERIFY(empty.isEmpty());
        QVERIFY(!empty.isNull());

        S result = a;
        result += empty;
        QVERIFY(result.isEmpty());
        QVERIFY(!result.isNull());

      If S is QString, this passes. If S is QByteArray, this fails (result is null).

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-114317 QStringBuilder does not necessarily preserve nullness

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              thiago Thiago Macieira
              peppe Giuseppe D'Angelo
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              Dates

                Created:
                Updated:
                Resolved:

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