diff options
| -rw-r--r-- | src/qml/jsruntime/qv4runtime.cpp | 1 | ||||
| -rw-r--r-- | tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp | 17 |
2 files changed, 18 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4runtime.cpp b/src/qml/jsruntime/qv4runtime.cpp index 85d06bcabe..6a242ba5f6 100644 --- a/src/qml/jsruntime/qv4runtime.cpp +++ b/src/qml/jsruntime/qv4runtime.cpp @@ -1942,6 +1942,7 @@ ReturnedValue Runtime::method_div(const Value &left, const Value &right) int lval = left.integerValue(); int rval = right.integerValue(); if (rval != 0 // division by zero should result in a NaN + && !(lval == std::numeric_limits<int>::min() && rval == -1) // doesn't fit in int && (lval % rval == 0) // fractions can't be stored in an int && !(lval == 0 && rval < 0)) // 0 / -something results in -0.0 return Encode(int(lval / rval)); diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp index d8784f4855..0e8844d23f 100644 --- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp +++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp @@ -366,6 +366,7 @@ private slots: void tailCallWithArguments(); void deleteSparseInIteration(); void saveAccumulatorBeforeToInt32(); + void intMinDividedByMinusOne(); private: // static void propertyVarWeakRefCallback(v8::Persistent<v8::Value> object, void* parameter); @@ -8941,6 +8942,22 @@ void tst_qqmlecmascript::saveAccumulatorBeforeToInt32() QCOMPARE(value.toString(), QLatin1String("RangeError: Maximum call stack size exceeded.")); } +void tst_qqmlecmascript::intMinDividedByMinusOne() +{ + QQmlEngine engine; + QQmlComponent component(&engine); + component.setData(QByteArray("import QtQml 2.2\n" + "QtObject {\n" + " property int intMin: -2147483648\n" + " property int minusOne: -1\n" + " property double doesNotFitInInt: intMin / minusOne\n" + "}"), QUrl()); + QVERIFY(component.isReady()); + QScopedPointer<QObject> object(component.create()); + QVERIFY(!object.isNull()); + QCOMPARE(object->property("doesNotFitInInt").toUInt(), 2147483648u); +} + QTEST_MAIN(tst_qqmlecmascript) #include "tst_qqmlecmascript.moc" |