common: Disable enum type stream operators for Qt >= 5.14

[quassel.git] / tests / common / typestest.cpp

diff --git a/tests/common/typestest.cpp b/tests/common/typestest.cpp
new file mode 100644 (file)
index 0000000..04031c2
--- /dev/null
+++ b/tests/common/typestest.cpp
@@ -0,0 +1,79 @@
+/***************************************************************************
+ *   Copyright (C) 2005-2020 by the Quassel Project                        *
+ *   devel@quassel-irc.org                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) version 3.                                           *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+#include <cstdint>
+
+#include <QByteArray>
+#include <QDataStream>
+#include <QObject>
+
+#include "testglobal.h"
+#include "types.h"
+
+using namespace ::testing;
+
+class EnumHolder
+{
+    Q_GADGET
+
+public:
+    enum class Enum16 : uint16_t {};
+    enum class Enum32 : uint32_t {};
+
+    enum class EnumQt16 : uint16_t {};
+    Q_ENUM(EnumQt16)
+    enum class EnumQt32 : uint32_t {};
+    Q_ENUM(EnumQt32)
+};
+
+// Verify that enums are (de)serialized as their underlying type
+TEST(TypesTest, enumSerialization)
+{
+    QByteArray data;
+    QDataStream out(&data, QIODevice::WriteOnly);
+
+    // Serialize
+    out << EnumHolder::Enum16(0xabcd);
+    ASSERT_THAT(data.size(), Eq(2));
+    out << EnumHolder::Enum32(0x123456);
+    ASSERT_THAT(data.size(), Eq(6));
+    out << EnumHolder::EnumQt16(0x4321);
+    ASSERT_THAT(data.size(), Eq(8));
+    out << EnumHolder::Enum32(0xfedcba);
+    ASSERT_THAT(data.size(), Eq(12));
+    ASSERT_THAT(out.status(), Eq(QDataStream::Status::Ok));
+
+    // Deserialize
+    QDataStream in(data);
+    EnumHolder::Enum16 enum16;
+    EnumHolder::Enum32 enum32;
+    EnumHolder::EnumQt16 enumQt16;
+    EnumHolder::EnumQt32 enumQt32;
+    in >> enum16  >> enum32 >> enumQt16 >> enumQt32;
+    ASSERT_THAT(in.status(), Eq(QDataStream::Status::Ok));
+    EXPECT_TRUE(in.atEnd());
+
+    EXPECT_THAT((int)enum16, Eq(0xabcd));
+    EXPECT_THAT((int)enum32, Eq(0x123456));
+    EXPECT_THAT((int)enumQt16, Eq(0x4321));
+    EXPECT_THAT((int)enumQt32, Eq(0xfedcba));
+}
+
+#include "typestest.moc"