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  1. Qt
  2. QTBUG-93677

QStringView::mid() does not work for length < 0

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    • d2833a3ce5af725d66ef9338f2a61b766dd3cb2d 0e2776320cc39a95b914787d28a09c615f68b708 (qt/tqtc-qtbase/5.15)

      As mentioned in QStringView::mid(qsizetype start, qsizetype length) documentation that Since 5.15.2, the behavior is compatible with QString::mid() for length<0, But following code gives a assert hit in 5.15.2 - 5.15.4:

          QString t = "my test";
    QStringView v = t;
    auto v2 = v.mid(2,-1); // asserts on this line, in the QStringView constructor 
    qInfo() << v2;

      ASSERT: "len >= 0" in file C:\Qt\5.15.4\msvc2019_64\include\QtCore/qstringview.h, line 175

        For Gerrit Dashboard: QTBUG-93677
        # Subject Branch Project Status CR V
        349342,2 Fix QStringView::mid() to behave as documented when passed -1 for length tqtc/lts-5.15 qt/tqtc-qtbase Status: MERGED +2 0

            thiago Thiago Macieira
            shmittal Shveta Mittal
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