diff options
Diffstat (limited to 'tests/auto/qdatastream/tst_qdatastream.cpp')
| -rw-r--r-- | tests/auto/qdatastream/tst_qdatastream.cpp | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/tests/auto/qdatastream/tst_qdatastream.cpp b/tests/auto/qdatastream/tst_qdatastream.cpp index 4f7b34e..add0945 100644 --- a/tests/auto/qdatastream/tst_qdatastream.cpp +++ b/tests/auto/qdatastream/tst_qdatastream.cpp @@ -204,6 +204,8 @@ private slots: void streamRealDataTypes(); + void floatingPointPrecision(); + #ifdef QT3_SUPPORT void task_224283(); #endif @@ -288,7 +290,8 @@ static int NColorRoles[] = { QPalette::AlternateBase + 1, // Qt_4_3 QPalette::ToolTipText + 1, // Qt_4_4 QPalette::ToolTipText + 1, // Qt_4_5 - 0 // add the correct value for Qt_4_6 here later + QPalette::ToolTipText + 1, // Qt_4_6 + 0 // add the correct value for Qt_4_7 here later }; // Testing get/set functions @@ -2538,9 +2541,12 @@ void tst_QDataStream::skipRawData() QFETCH(QByteArray, littleEndianData); \ QFETCH(int, expectedStatus); \ QFETCH(double, expectedValue); \ + \ + QDataStream::FloatingPointPrecision prec = sizeof(T) == sizeof(double) ? QDataStream::DoublePrecision : QDataStream::SinglePrecision; \ \ { \ QDataStream stream(&bigEndianData, QIODevice::ReadOnly); \ + stream.setFloatingPointPrecision(prec); \ T i; \ stream >> i; \ QCOMPARE((int) stream.status(), expectedStatus); \ @@ -2549,6 +2555,7 @@ void tst_QDataStream::skipRawData() { \ QDataStream stream(&littleEndianData, QIODevice::ReadOnly); \ stream.setByteOrder(QDataStream::LittleEndian); \ + stream.setFloatingPointPrecision(prec); \ T i; \ stream >> i; \ QCOMPARE((int) stream.status(), expectedStatus); \ @@ -3359,6 +3366,55 @@ void tst_QDataStream::compatibility_Qt2() QVERIFY(in_palette.color(QPalette::Light) == Qt::green); } +void tst_QDataStream::floatingPointPrecision() +{ + QByteArray ba; + { + QDataStream stream(&ba, QIODevice::WriteOnly); + QCOMPARE(QDataStream::DoublePrecision, stream.floatingPointPrecision()); + + float f = 123.0f; + stream << f; + QCOMPARE(ba.size(), int(sizeof(double))); + + double d = 234.0; + stream << d; + QCOMPARE(ba.size(), int(sizeof(double)*2)); + + stream.setFloatingPointPrecision(QDataStream::SinglePrecision); + + f = 123.0f; + stream << f; + QCOMPARE(ba.size(), int(sizeof(double)*2 + sizeof(float))); + + d = 234.0; + stream << d; + QCOMPARE(ba.size(), int(sizeof(double)*2 + sizeof(float)*2)); + } + + { + QDataStream stream(ba); + + float f = 0.0f; + stream >> f; + QCOMPARE(123.0f, f); + + double d = 0.0; + stream >> d; + QCOMPARE(234.0, d); + + f = 0.0f; + stream.setFloatingPointPrecision(QDataStream::SinglePrecision); + stream >> f; + QCOMPARE(123.0f, f); + + d = 0.0; + stream >> d; + QCOMPARE(234.0, d); + } + +} + QTEST_MAIN(tst_QDataStream) #include "tst_qdatastream.moc" |