sepated unit and integration tests

test-src/unit/webfuse/filesystem/test_filemode.cpp

@@ -0,0 +1,25 @@
+#include "webfuse/filesystem/filemode.hpp"
+#include <gtest/gtest.h>
+
+using webfuse::filemode;
+
+class filemode_test: public testing::TestWithParam<mode_t> { };
+
+TEST_P(filemode_test, conversion)
+{
+    mode_t const expected = GetParam();
+    auto value = filemode::from_mode(expected);
+    ASSERT_EQ(expected, value.to_mode());
+}
+
+INSTANTIATE_TEST_CASE_P(filemode_value, filemode_test,
+    testing::Values(
+        S_IROTH, S_IWOTH, S_IXOTH,
+        S_IRGRP, S_IWGRP, S_IXGRP,        
+        S_IRUSR, S_IWUSR, S_IXUSR,
+        S_ISUID, S_ISGID, S_ISVTX,     
+        S_IFREG, S_IFCHR, S_IFBLK, S_IFDIR, S_IFIFO, S_IFLNK, S_IFSOCK,
+        S_IFREG | 0644,
+        S_IFDIR | 0755
+    )
+);