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| author | Eirik Aavitsland <eirik.aavitsland@qt.io> | 2021-01-26 17:29:08 +0100 |
|---|---|---|
| committer | Qt Cherry-pick Bot <cherrypick_bot@qt-project.org> | 2021-02-11 06:18:32 +0000 |
| commit | 69e0205bcb29adf5cf0a1c978f1f11514356a3fc (patch) | |
| tree | 63b32f57cec724eb6776654389ab91c2d8e62523 /tests/auto/gui | |
| parent | 3fec6597a5d718f5aa2ba5976b9175635a191ca0 (diff) | |
Avoid overflow in text layout
Fixes oss-fuzz issue 29313.
Change-Id: Idbabd162fa9e0dbce687981bdbcc75be37189a61
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
Reviewed-by: Robert Löhning <robert.loehning@qt.io>
(cherry picked from commit bfc09b8d8fa6c1a397aff458c644ed424754adf0)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
Diffstat (limited to 'tests/auto/gui')
| -rw-r--r-- | tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp index bbb53d85cc..9726db188a 100644 --- a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp +++ b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp @@ -1896,6 +1896,19 @@ void tst_QTextLayout::longText() QVERIFY(line.isValid()); QVERIFY(line.cursorToX(line.textLength() - 1) > 0); } + + { + QTextLayout layout(QString("Qt rocks! ").repeated(200000)); + layout.setCacheEnabled(true); + layout.beginLayout(); + forever { + QTextLine line = layout.createLine(); + if (!line.isValid()) + break; + } + layout.endLayout(); + QVERIFY(layout.maximumWidth() <= QFIXED_MAX); + } } void tst_QTextLayout::widthOfTabs() |