diff options
Diffstat (limited to 'tests/auto')
-rw-r--r-- | tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp index e778232461..84d58191c0 100644 --- a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp +++ b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp @@ -143,6 +143,7 @@ private slots: void cursorInNonStopChars(); void nbsp(); void noModificationOfInputString(); + void superscriptCrash_qtbug53911(); private: QFont testFont; @@ -2209,5 +2210,61 @@ void tst_QTextLayout::noModificationOfInputString() } } +void tst_QTextLayout::superscriptCrash_qtbug53911() +{ + static int fontSizes = 64; + static QString layoutText = "THIS IS SOME EXAMPLE TEXT THIS IS SOME EXAMPLE TEXT"; + + QList<QTextLayout*> textLayouts; + for (int i = 0; i < fontSizes; ++i) { + for (int j = 0; j < 4; ++j) { + QTextLayout* newTextLayout = new QTextLayout(); + newTextLayout->setText(layoutText); + QList<QTextLayout::FormatRange> formatRanges; + QTextLayout::FormatRange formatRange; + + formatRange.format.setFont(QFont()); + formatRange.format.setFontPointSize(i + 5); + + switch (j) { + case 0: + formatRange.format.setFontWeight(QFont::Normal); + formatRange.format.setFontItalic(false); + break; + case 1: + formatRange.format.setFontWeight(QFont::Bold); + formatRange.format.setFontItalic(false); + break; + case 2: + formatRange.format.setFontWeight(QFont::Bold); + formatRange.format.setFontItalic(true); + break; + case 3: + formatRange.format.setFontWeight(QFont::Normal); + formatRange.format.setFontItalic(true); + break; + } + + formatRange.format.setVerticalAlignment( QTextCharFormat::AlignSuperScript); + + formatRange.start = 0; + formatRange.length = layoutText.size(); + formatRanges << formatRange; + newTextLayout->setAdditionalFormats(formatRanges); + + textLayouts.push_front(newTextLayout); + } + } + + // This loop would crash before fix for QTBUG-53911 + foreach (QTextLayout *textLayout, textLayouts) { + textLayout->beginLayout(); + while (textLayout->createLine().isValid()); + textLayout->endLayout(); + } + + qDeleteAll(textLayouts); +} + QTEST_MAIN(tst_QTextLayout) #include "tst_qtextlayout.moc" |