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-rw-r--r--tests/auto/corelib/global/qtendian/tst_qtendian.cpp84
1 files changed, 84 insertions, 0 deletions
diff --git a/tests/auto/corelib/global/qtendian/tst_qtendian.cpp b/tests/auto/corelib/global/qtendian/tst_qtendian.cpp
index 915e40954b..6934818dcf 100644
--- a/tests/auto/corelib/global/qtendian/tst_qtendian.cpp
+++ b/tests/auto/corelib/global/qtendian/tst_qtendian.cpp
@@ -29,6 +29,7 @@
#include <QtTest/QtTest>
#include <QtCore/qendian.h>
+#include <QtCore/private/qendian_p.h>
class tst_QtEndian: public QObject
@@ -41,6 +42,11 @@ private slots:
void toBigEndian();
void toLittleEndian();
+
+ void endianIntegers_data();
+ void endianIntegers();
+
+ void endianBitfields();
};
struct TestData
@@ -129,5 +135,83 @@ void tst_QtEndian::toLittleEndian()
#undef ENDIAN_TEST
+void tst_QtEndian::endianIntegers_data()
+{
+ QTest::addColumn<int>("val");
+
+ QTest::newRow("-30000") << -30000;
+ QTest::newRow("-1") << -1;
+ QTest::newRow("0") << 0;
+ QTest::newRow("1020") << 1020;
+ QTest::newRow("16385") << 16385;
+}
+
+void tst_QtEndian::endianIntegers()
+{
+ QFETCH(int, val);
+
+ qint16 vi16 = val;
+ qint32 vi32 = val;
+ qint64 vi64 = val;
+ quint16 vu16 = val;
+ quint32 vu32 = val;
+ quint64 vu64 = val;
+
+#if Q_BYTE_ORDER == Q_BIG_ENDIAN
+ QCOMPARE(*reinterpret_cast<qint16_be*>(&vi16), vi16);
+ QCOMPARE(*reinterpret_cast<qint32_be*>(&vi32), vi32);
+ QCOMPARE(*reinterpret_cast<qint64_be*>(&vi64), vi64);
+ QCOMPARE(*reinterpret_cast<qint16_le*>(&vi16), qbswap(vi16));
+ QCOMPARE(*reinterpret_cast<qint32_le*>(&vi32), qbswap(vi32));
+ QCOMPARE(*reinterpret_cast<qint64_le*>(&vi64), qbswap(vi64));
+ QCOMPARE(*reinterpret_cast<quint16_be*>(&vu16), vu16);
+ QCOMPARE(*reinterpret_cast<quint32_be*>(&vu32), vu32);
+ QCOMPARE(*reinterpret_cast<quint64_be*>(&vu64), vu64);
+ QCOMPARE(*reinterpret_cast<quint16_le*>(&vu16), qbswap(vu16));
+ QCOMPARE(*reinterpret_cast<quint32_le*>(&vu32), qbswap(vu32));
+ QCOMPARE(*reinterpret_cast<quint64_le*>(&vu64), qbswap(vu64));
+#else
+ QCOMPARE(*reinterpret_cast<qint16_be*>(&vi16), qbswap(vi16));
+ QCOMPARE(*reinterpret_cast<qint32_be*>(&vi32), qbswap(vi32));
+ QCOMPARE(*reinterpret_cast<qint64_be*>(&vi64), qbswap(vi64));
+ QCOMPARE(*reinterpret_cast<qint16_le*>(&vi16), vi16);
+ QCOMPARE(*reinterpret_cast<qint32_le*>(&vi32), vi32);
+ QCOMPARE(*reinterpret_cast<qint64_le*>(&vi64), vi64);
+ QCOMPARE(*reinterpret_cast<quint16_be*>(&vu16), qbswap(vu16));
+ QCOMPARE(*reinterpret_cast<quint32_be*>(&vu32), qbswap(vu32));
+ QCOMPARE(*reinterpret_cast<quint64_be*>(&vu64), qbswap(vu64));
+ QCOMPARE(*reinterpret_cast<quint16_le*>(&vu16), vu16);
+ QCOMPARE(*reinterpret_cast<quint32_le*>(&vu32), vu32);
+ QCOMPARE(*reinterpret_cast<quint64_le*>(&vu64), vu64);
+#endif
+}
+
+void tst_QtEndian::endianBitfields()
+{
+ union {
+ quint32_be_bitfield<21, 11> upper;
+ quint32_be_bitfield<10, 11> lower;
+ qint32_be_bitfield<0, 10> bottom;
+ } u;
+
+ u.upper = 200;
+ QCOMPARE(u.upper, 200U);
+ u.lower = 1000;
+ u.bottom = -8;
+ QCOMPARE(u.lower, 1000U);
+ QCOMPARE(u.upper, 200U);
+
+ u.lower += u.upper;
+ QCOMPARE(u.upper, 200U);
+ QCOMPARE(u.lower, 1200U);
+
+ u.upper = 65536 + 7;
+ u.lower = 65535;
+ QCOMPARE(u.lower, 65535U & ((1<<11) - 1));
+ QCOMPARE(u.upper, 7U);
+
+ QCOMPARE(u.bottom, -8);
+}
+
QTEST_MAIN(tst_QtEndian)
#include "tst_qtendian.moc"