improve renameFile function.

add test for this function.

1 files changed, 71 insertions, 0 deletions

diff --git a/src/utils/files_unittest.cpp b/src/utils/files_unittest.cpp
new file mode 100644
index 000000000..63e1fc271
--- /dev/null
+++ b/src/utils/files_unittest.cpp
@@ -0,0 +1,71 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2013  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 "utils/files.h"
+
+#include "logger.h"
+
+#include "utils/physfstools.h"
+
+#include "gtest/gtest.h"
+
+#include "resources/resourcemanager.h"
+
+#include "debug.h"
+
+static void init()
+{
+    PHYSFS_init("manaplus");
+    dirSeparator = "/";
+    logger = new Logger();
+    ResourceManager *resman = ResourceManager::getInstance();
+    resman->addToSearchPath("data", false);
+    resman->addToSearchPath("../data", false);
+}
+
+TEST(Files, renameFile)
+{
+    init();
+    const int sz = 1234567;
+    char *buf = new char[sz];
+    for (int f = 0; f < sz; f ++)
+        buf[f] = f;
+
+    const std::string name1 = "file1.test";
+    const std::string name2 = "file2.test";
+    FILE *file = fopen(name1.c_str(), "w+b");
+    fwrite(buf, 1, sz, file);
+    fclose(file);
+
+    EXPECT_EQ(0, Files::renameFile(name1, name2));
+    char *buf2 = new char[sz];
+    FILE *file2 = fopen(name2.c_str(), "rb");
+    EXPECT_NE(nullptr, file2);
+    fread(buf2, 1, sz, file2);
+    fclose(file2);
+    ::remove(name1.c_str());
+    ::remove(name2.c_str());
+
+    for (int f = 0; f < sz; f ++)
+        EXPECT_EQ(buf[f], buf2[f]);
+
+    delete [] buf;
+    delete [] buf2;
+}