diff options
Diffstat (limited to 'tests/auto/gui/painting/qcolor/tst_qcolor.cpp')
| -rw-r--r-- | tests/auto/gui/painting/qcolor/tst_qcolor.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/auto/gui/painting/qcolor/tst_qcolor.cpp b/tests/auto/gui/painting/qcolor/tst_qcolor.cpp index b9d17bae62..b81a4e2c4c 100644 --- a/tests/auto/gui/painting/qcolor/tst_qcolor.cpp +++ b/tests/auto/gui/painting/qcolor/tst_qcolor.cpp @@ -107,6 +107,7 @@ private slots: void premultiply(); void unpremultiply_sse4(); void qrgba64(); + void qrgba64MemoryLayout(); void qrgba64Premultiply(); void qrgba64Equivalence(); @@ -1495,6 +1496,24 @@ void tst_QColor::qrgba64() QCOMPARE(rgb64.green(), quint16(0x4422)); } +void tst_QColor::qrgba64MemoryLayout() +{ + QRgba64 rgb64 = QRgba64::fromRgba64(0x0123, 0x4567, 0x89ab, 0xcdef); + QCOMPARE(rgb64.red(), quint16(0x0123)); + QCOMPARE(rgb64.green(), quint16(0x4567)); + QCOMPARE(rgb64.blue(), quint16(0x89ab)); + QCOMPARE(rgb64.alpha(), quint16(0xcdef)); + + // Check in-memory order, so it can be used by things like SSE + Q_STATIC_ASSERT(sizeof(QRgba64) == sizeof(quint64)); + quint16 memory[4]; + memcpy(memory, &rgb64, sizeof(QRgba64)); + QCOMPARE(memory[0], quint16(0x0123)); + QCOMPARE(memory[1], quint16(0x4567)); + QCOMPARE(memory[2], quint16(0x89ab)); + QCOMPARE(memory[3], quint16(0xcdef)); +} + void tst_QColor::qrgba64Premultiply() { // Tests that qPremultiply(qUnpremultiply(rgba64)) returns rgba64. |