diff options
Diffstat (limited to 'tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp')
-rw-r--r-- | tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp b/tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp index 88f8ea0bbb..b24243b98e 100644 --- a/tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp +++ b/tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp @@ -80,6 +80,7 @@ private slots: void threadSafety_data(); void threadSafety(); + void returnsViewsIntoOriginalString(); void wildcard_data(); void wildcard(); void testInvalidWildcard_data(); @@ -2188,6 +2189,31 @@ void tst_QRegularExpression::threadSafety() } } +void tst_QRegularExpression::returnsViewsIntoOriginalString() +{ + // https://bugreports.qt.io/browse/QTBUG-98653 + + auto to_void = [](const QChar *p) -> const void* { return p; }; + + // GIVEN + // a QString with dynamically-allocated data: + const QString string = QLatin1String("A\nA\nB\nB\n\nC\nC"); // NOT QStringLiteral! + const auto stringDataAddress = to_void(string.data()); + + // and a view over said QString: + QStringView view(string); + const auto viewDataAddress = to_void(view.data()); + QCOMPARE(stringDataAddress, viewDataAddress); + + // WHEN + // we call view.split() with a temporary QRegularExpression object + const auto split = view.split(QRegularExpression( "(\r\n|\n|\r)" ), Qt::KeepEmptyParts); + + // THEN + // the returned views should point into the underlying string: + QCOMPARE(to_void(split.front().data()), stringDataAddress); +} + void tst_QRegularExpression::wildcard_data() { QTest::addColumn<QString>("pattern"); |