sepated unit and integration tests

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

@@ -0,0 +1,26 @@
+#include "webfuse/filesystem/accessmode.hpp"
+#include <gtest/gtest.h>
+
+using webfuse::access_mode;
+
+TEST(accessmode, f_ok)
+{
+    ASSERT_EQ(0, access_mode::f_ok);
+    ASSERT_EQ(F_OK, access_mode::f_ok);
+}
+
+class accessmode_test: public testing::TestWithParam<int> { };
+
+TEST_P(accessmode_test, conversion)
+{
+    int const expected = GetParam();
+    auto mode = access_mode::from_int(expected);
+    ASSERT_EQ(expected, mode.to_int());
+}
+
+INSTANTIATE_TEST_CASE_P(accesmode_values, accessmode_test, 
+    testing::Values(
+        F_OK, R_OK, W_OK, X_OK, 
+        R_OK | W_OK, R_OK | X_OK, W_OK | X_OK, 
+        R_OK | W_OK | X_OK)
+);