1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/test_features.cc b/src/test/test_features.cc
new file mode 100644
index 000000000..bfd2c537c
--- /dev/null
+++ b/src/test/test_features.cc
@@ -0,0 +1,47 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#include <stdio.h>
+
+#include "global/global_init.h"
+#include "common/ceph_argparse.h"
+#include "common/ceph_releases.h"
+#include "common/ceph_strings.h"
+#include "global/global_context.h"
+#include "gtest/gtest.h"
+#include "include/ceph_features.h"
+
+
+TEST(features, release_features)
+{
+  for (int r = 1; r < CEPH_RELEASE_MAX; ++r) {
+    const char *name = ceph_release_name(r);
+    ASSERT_NE(string("unknown"), name);
+    ASSERT_EQ(ceph_release_t{static_cast<uint8_t>(r)},
+	      ceph_release_from_name(name));
+    uint64_t features = ceph_release_features(r);
+    int rr = ceph_release_from_features(features);
+    cout << r << " " << name << " features 0x" << std::hex << features
+	 << std::dec << " looks like " << ceph_release_name(rr) << std::endl;
+    EXPECT_LE(rr, r);
+  }
+}
+
+TEST(features, release_from_features) {
+  ASSERT_EQ(CEPH_RELEASE_JEWEL, ceph_release_from_features(575862587619852283));
+  ASSERT_EQ(CEPH_RELEASE_LUMINOUS,
+	    ceph_release_from_features(1152323339925389307));
+}
+
+int main(int argc, char **argv)
+{
+  vector<const char*> args;
+  argv_to_vec(argc, (const char **)argv, args);
+
+  auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+			 CODE_ENVIRONMENT_UTILITY,
+			 CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
+  common_init_finish(g_ceph_context);
+
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}