diff options
| -rw-r--r-- | src/qml/jsruntime/qv4arraydata.cpp | 2 | ||||
| -rw-r--r-- | tests/auto/qml/qjsengine/tst_qjsengine.cpp | 14 |
2 files changed, 15 insertions, 1 deletions
diff --git a/src/qml/jsruntime/qv4arraydata.cpp b/src/qml/jsruntime/qv4arraydata.cpp index 0944e6d271..0d950223b0 100644 --- a/src/qml/jsruntime/qv4arraydata.cpp +++ b/src/qml/jsruntime/qv4arraydata.cpp @@ -647,7 +647,7 @@ uint ArrayData::append(Object *obj, ArrayObject *otherObj, uint n) uint toCopy = n; uint chunk = toCopy; if (chunk > os->alloc - os->offset) - chunk -= os->alloc - os->offset; + chunk = os->alloc - os->offset; obj->arrayPut(oldSize, os->arrayData + os->offset, chunk); toCopy -= chunk; if (toCopy) diff --git a/tests/auto/qml/qjsengine/tst_qjsengine.cpp b/tests/auto/qml/qjsengine/tst_qjsengine.cpp index 8b815f7a06..166f17f9e1 100644 --- a/tests/auto/qml/qjsengine/tst_qjsengine.cpp +++ b/tests/auto/qml/qjsengine/tst_qjsengine.cpp @@ -128,6 +128,7 @@ private slots: void JSONparse(); void arraySort(); void lookupOnDisappearingProperty(); + void arrayConcat(); void qRegExpInport_data(); void qRegExpInport(); @@ -3018,6 +3019,19 @@ void tst_QJSEngine::lookupOnDisappearingProperty() QVERIFY(func.call(QJSValueList()<< o).isUndefined()); } +void tst_QJSEngine::arrayConcat() +{ + QJSEngine eng; + QJSValue v = eng.evaluate("var x = [1, 2, 3, 4, 5, 6];" + "var y = [];" + "for (var i = 0; i < 5; ++i)" + " x.shift();" + "for (var i = 10; i < 13; ++i)" + " x.push(i);" + "x.toString();"); + QCOMPARE(v.toString(), QString::fromLatin1("6,10,11,12")); +} + static QRegExp minimal(QRegExp r) { r.setMinimal(true); return r; } void tst_QJSEngine::qRegExpInport_data() |