summaryrefslogtreecommitdiffstats
path: root/tests/auto
diff options
context:
space:
mode:
authorOlivier Goffart <olivier.goffart@nokia.com>2011-07-06 16:37:14 +0200
committerQt by Nokia <qt-info@nokia.com>2011-07-06 17:09:47 +0200
commitc0c6dd2b022cfd667f32b8a48bcac86ac07d3880 (patch)
treeb0779ed2ba16daa2ac360223a12cffbea49dbf41 /tests/auto
parent28f927f8e092a02e233559f6da7fa96cf722c77d (diff)
Use Q_DECL_CONSTEXPR in QFlags
Change-Id: I851e0b1c3f80a7b33a38cb1ab2665dc0f3c73adc Reviewed-on: http://codereview.qt.nokia.com/1248 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Gabriel de Dietrich <gabriel.dietrich-de@nokia.com>
Diffstat (limited to 'tests/auto')
-rw-r--r--tests/auto/qflags/tst_qflags.cpp28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/auto/qflags/tst_qflags.cpp b/tests/auto/qflags/tst_qflags.cpp
index 87025b6da2..85e64a6d63 100644
--- a/tests/auto/qflags/tst_qflags.cpp
+++ b/tests/auto/qflags/tst_qflags.cpp
@@ -47,6 +47,7 @@ private slots:
void testFlag() const;
void testFlagZeroFlag() const;
void testFlagMultiBits() const;
+ void constExpr();
};
void tst_QFlags::testFlag() const
@@ -96,5 +97,32 @@ void tst_QFlags::testFlagMultiBits() const
}
}
+template <int N, typename T> bool verifyConstExpr(T n) { return n == N; }
+
+void tst_QFlags::constExpr()
+{
+#ifdef Q_COMPILER_CONSTEXPR
+ Qt::MouseButtons btn = Qt::LeftButton | Qt::RightButton;
+ switch (btn) {
+ case Qt::LeftButton: QVERIFY(false); break;
+ case Qt::RightButton: QVERIFY(false); break;
+ case Qt::LeftButton | Qt::RightButton: QVERIFY(true); break;
+ default: QVERIFY(false);
+ }
+
+ QVERIFY(verifyConstExpr<(Qt::LeftButton | Qt::RightButton) & Qt::LeftButton>(Qt::LeftButton));
+ QVERIFY(verifyConstExpr<(Qt::LeftButton | Qt::RightButton) & Qt::MiddleButton>(0));
+ QVERIFY(verifyConstExpr<(Qt::LeftButton | Qt::RightButton) | Qt::MiddleButton>(Qt::LeftButton | Qt::RightButton | Qt::MiddleButton));
+ QVERIFY(verifyConstExpr<~(Qt::LeftButton | Qt::RightButton)>(~(Qt::LeftButton | Qt::RightButton)));
+ QVERIFY(verifyConstExpr<Qt::MouseButtons(Qt::LeftButton) ^ Qt::RightButton>(Qt::LeftButton ^ Qt::RightButton));
+ QVERIFY(verifyConstExpr<Qt::MouseButtons(0)>(0));
+ QVERIFY(verifyConstExpr<Qt::MouseButtons(Qt::RightButton) & 0xff>(Qt::RightButton));
+ QVERIFY(verifyConstExpr<Qt::MouseButtons(Qt::RightButton) | 0xff>(0xff));
+
+ QVERIFY(!verifyConstExpr<Qt::RightButton>(!Qt::MouseButtons(Qt::LeftButton)));
+#endif
+}
+
+
QTEST_MAIN(tst_QFlags)
#include "tst_qflags.moc"