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author | Tarja Sundqvist <tarja.sundqvist@qt.io> | 2022-11-11 09:29:17 +0200 |
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committer | Tarja Sundqvist <tarja.sundqvist@qt.io> | 2022-11-11 09:29:17 +0200 |
commit | 4ee4fc18b4067b90efa46ca9baba74f53b54d9ec (patch) | |
tree | cc68622c9b85992d99a8373ab55471ee821a4ebf /tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp | |
parent | ab28ff2207e8f33754c79793089dbf943d67736d (diff) | |
parent | ebb49c66aaf22ed55d62ff7bc3690fce00b7d8ba (diff) |
Merge remote-tracking branch 'origin/tqtc/lts-5.15.8' into tqtc/lts-5.15-opensourcev5.15.8-lts-lgpl
Change-Id: I569a2246c9e8d70430e8c5405b9f3df2218078ee
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"); |