From 9e0d2f82229452058ab2c8a16b670005368a16b8 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 27 Aug 2017 01:31:27 +0300
Subject: Add unit tests for correct sdl detection for endian.

---
 src/Makefile.am                             |  1 +
 src/unittests/endian.cc                     | 65 +++++++++++++++++++++++++++++
 src/unittests/gui/windowmanager_unittest.cc |  3 +-
 3 files changed, 68 insertions(+), 1 deletion(-)
 create mode 100644 src/unittests/endian.cc

diff --git a/src/Makefile.am b/src/Makefile.am
index 2ac321fda..4fae94ba5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -2057,6 +2057,7 @@ manaplustests_SOURCES = \
 	      unittests/render/mockdrawitem.h \
 	      unittests/render/mockgraphics.cc \
 	      unittests/render/mockgraphics.h \
+	      unittests/endian.cc \
 	      unittests/enums/enums_unittest.cc \
 	      unittests/utils/dumplibs_unittest.cc \
 	      unittests/utils/checkutils_unittest.cc
diff --git a/src/unittests/endian.cc b/src/unittests/endian.cc
new file mode 100644
index 000000000..3d0c66051
--- /dev/null
+++ b/src/unittests/endian.cc
@@ -0,0 +1,65 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2013-2017  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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
+ *  any later version.
+ *
+ *  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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "unittests/unittests.h"
+
+#include "logger.h"
+
+#include "utils/delete2.h"
+
+PRAGMA48(GCC diagnostic push)
+PRAGMA48(GCC diagnostic ignored "-Wshadow")
+#include <SDL_endian.h>
+PRAGMA48(GCC diagnostic pop)
+
+#include "debug.h"
+
+#ifndef SDL_BIG_ENDIAN
+#error missing SDL_endian.h
+#endif  // SDL_BYTEORDER
+
+namespace
+{
+    union ByteOrderData final
+    {
+        uint32_t dwordData;
+        uint8_t byteData[4];
+    } __attribute__((packed));
+}  // namespace
+
+TEST_CASE("endian test", "")
+{
+    ByteOrderData data;
+    data.byteData[0] = 0x10;
+    data.byteData[1] = 0x20;
+    data.byteData[2] = 0x30;
+    data.byteData[3] = 0x40;
+    logger = new Logger();
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+    REQUIRE(data.dwordData == 0x10203040);
+    logger->log("big endian detected");
+#else  // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+    REQUIRE(data.dwordData == 0x40302010);
+    logger->log("little endian detected");
+#endif  // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+    delete2(logger);
+}
diff --git a/src/unittests/gui/windowmanager_unittest.cc b/src/unittests/gui/windowmanager_unittest.cc
index 59178f1b5..6090555ee 100644
--- a/src/unittests/gui/windowmanager_unittest.cc
+++ b/src/unittests/gui/windowmanager_unittest.cc
@@ -507,7 +507,8 @@ TEST_CASE("Windows tests", "windowmanager")
     {
         MailMessage *message = new MailMessage;
         CREATEWIDGETV(mailViewWindow, MailViewWindow,
-            message);
+            message,
+            1);
         gui->draw();
         mainGraphics->updateScreen();
         delete2(mailViewWindow);
-- 
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