diff options
Diffstat (limited to 'tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp')
-rw-r--r-- | tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp b/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp index 5697d21547..a6d600e125 100644 --- a/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp +++ b/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp @@ -44,6 +44,9 @@ private slots: void fuzzyCompare(); void rawNaN_data(); void rawNaN(); +#if QT_CONFIG(signaling_nan) + void distinctNaN(); +#endif void generalNaN_data(); void generalNaN(); void infinity(); @@ -139,6 +142,9 @@ void tst_QNumeric::rawNaN_data() QTest::addColumn<double>("nan"); QTest::newRow("quiet") << qQNaN(); +#if QT_CONFIG(signaling_nan) + QTest::newRow("signaling") << qSNaN(); +#endif } void tst_QNumeric::rawNaN() @@ -147,6 +153,15 @@ void tst_QNumeric::rawNaN() checkNaN(nan); } +#if QT_CONFIG(signaling_nan) +void tst_QNumeric::distinctNaN() +{ + const double qnan = qQNaN(); + const double snan = qSNaN(); + QVERIFY(memcmp(&qnan, &snan, sizeof(double)) != 0); +} +#endif + void tst_QNumeric::generalNaN_data() { QTest::addColumn<int>("most"); |