diff options
Diffstat (limited to 'tests/auto/gui/text/qtextscriptengine/tst_qtextscriptengine.cpp')
| -rw-r--r-- | tests/auto/gui/text/qtextscriptengine/tst_qtextscriptengine.cpp | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/tests/auto/gui/text/qtextscriptengine/tst_qtextscriptengine.cpp b/tests/auto/gui/text/qtextscriptengine/tst_qtextscriptengine.cpp index a88e93c93e..d566f0a20d 100644 --- a/tests/auto/gui/text/qtextscriptengine/tst_qtextscriptengine.cpp +++ b/tests/auto/gui/text/qtextscriptengine/tst_qtextscriptengine.cpp @@ -105,7 +105,7 @@ private slots: void thaiIsolatedSaraAm(); void thaiWithZWJ(); - + void thaiMultipleVowels(); private: bool haveTestFonts; }; @@ -1325,5 +1325,27 @@ void tst_QTextScriptEngine::thaiWithZWJ() QCOMPARE((bool)e->layoutData->glyphLayout.attributes[i].dontPrint, (i == 1 || i == 3)); } +void tst_QTextScriptEngine::thaiMultipleVowels() +{ + QString s(QString::fromUtf8("ส")); + for (int i = 0; i < 100; i++) + s += QChar(0x0E47); // Add lots of "VOWEL SIGN MAI TAI KHU N/S-T" stacked on top of the character + s += QChar(0x200D); // Now add a zero width joiner (which adds a circle which is hidden) + for (int i = 0; i < 100; i++) + s += QChar(0x0E47); //Add lots of "VOWEL SIGN MAI TAI KHU N/S-T" stacked on top of the ZWJ + + for (int i = 0; i < 10; i++) + s += s; //Repeat the string to make it more likely to crash if we have a buffer overflow + QTextLayout layout(s); + layout.beginLayout(); + layout.createLine(); + layout.endLayout(); + + QTextEngine *e = layout.engine(); + e->width(0, s.length()); //force itemize and shape + + // If we haven't crashed at this point, then the test has passed. +} + QTEST_MAIN(tst_QTextScriptEngine) #include "tst_qtextscriptengine.moc" |