diff options
| -rw-r--r-- | src/corelib/tools/qdatetime.cpp | 14 | ||||
| -rw-r--r-- | tests/auto/corelib/io/qdatastream/tst_qdatastream.cpp | 27 |
2 files changed, 38 insertions, 3 deletions
diff --git a/src/corelib/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp index fb679e56c5..e6d0b97836 100644 --- a/src/corelib/tools/qdatetime.cpp +++ b/src/corelib/tools/qdatetime.cpp @@ -4759,7 +4759,12 @@ QDataStream &operator>>(QDataStream &in, QDate &date) QDataStream &operator<<(QDataStream &out, const QTime &time) { - return out << quint32(time.mds); + if (out.version() >= QDataStream::Qt_4_0) { + return out << quint32(time.mds); + } else { + // Qt3 had no support for reading -1, QTime() was valid and serialized as 0 + return out << quint32(time.isNull() ? 0 : time.mds); + } } /*! @@ -4774,7 +4779,12 @@ QDataStream &operator>>(QDataStream &in, QTime &time) { quint32 ds; in >> ds; - time.mds = int(ds); + if (in.version() >= QDataStream::Qt_4_0) { + time.mds = int(ds); + } else { + // Qt3 would write 0 for a null time + time.mds = (ds == 0) ? QTime::NullTime : int(ds); + } return in; } diff --git a/tests/auto/corelib/io/qdatastream/tst_qdatastream.cpp b/tests/auto/corelib/io/qdatastream/tst_qdatastream.cpp index 86fd142036..76650ea9a4 100644 --- a/tests/auto/corelib/io/qdatastream/tst_qdatastream.cpp +++ b/tests/auto/corelib/io/qdatastream/tst_qdatastream.cpp @@ -1203,10 +1203,11 @@ static QTime qTimeData(int index) case 57: return QTime(23, 59, 59, 99); case 58: return QTime(23, 59, 59, 100); case 59: return QTime(23, 59, 59, 999); + case 60: return QTime(); } return QTime(0, 0, 0); } -#define MAX_QTIME_DATA 60 +#define MAX_QTIME_DATA 61 void tst_QDataStream::stream_QTime_data() { @@ -3081,6 +3082,30 @@ void tst_QDataStream::compatibility_Qt3() QVERIFY(in_palette.brush(QPalette::Button).style() == Qt::NoBrush); QVERIFY(in_palette.color(QPalette::Light) == Qt::green); } + // QTime() was serialized to (0, 0, 0, 0) in Qt3, not (0xFF, 0xFF, 0xFF, 0xFF) + // This is because in Qt3 a null time was valid, and there was no support for deserializing a value of -1. + { + QByteArray stream; + { + QDataStream out(&stream, QIODevice::WriteOnly); + out.setVersion(QDataStream::Qt_3_3); + out << QTime(); + } + QTime in_time; + { + QDataStream in(stream); + in.setVersion(QDataStream::Qt_3_3); + in >> in_time; + } + QVERIFY(in_time.isNull()); + + quint32 rawValue; + QDataStream in(stream); + in.setVersion(QDataStream::Qt_3_3); + in >> rawValue; + QCOMPARE(rawValue, quint32(0)); + } + } void tst_QDataStream::compatibility_Qt2() |