tests: respect naming conventions and improve nesting of some test suites

Change-Id: I255c27b552b32570871a9d5f8bda814ba8723c80
Refs: #2497
diff --git a/tests/unit-tests/version.t.cpp b/tests/unit-tests/version.t.cpp
index 9dbcc6d..5cb6622 100644
--- a/tests/unit-tests/version.t.cpp
+++ b/tests/unit-tests/version.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2015 Regents of the University of California.
+ * Copyright (c) 2013-2016 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,8 +20,10 @@
  */
 
 #include "version.hpp"
+#include "common.hpp"
 
 #include "boost-test.hpp"
+
 #include <stdio.h>
 
 namespace ndn {
@@ -29,8 +31,10 @@
 
 BOOST_AUTO_TEST_SUITE(TestVersion)
 
-BOOST_AUTO_TEST_CASE(Version)
+BOOST_AUTO_TEST_CASE(VersionNumber)
 {
+  BOOST_TEST_MESSAGE("NDN_CXX_VERSION = " + to_string(NDN_CXX_VERSION));
+
   BOOST_CHECK_EQUAL(NDN_CXX_VERSION, NDN_CXX_VERSION_MAJOR * 1000000 +
                                      NDN_CXX_VERSION_MINOR * 1000 +
                                      NDN_CXX_VERSION_PATCH);
@@ -38,15 +42,19 @@
 
 BOOST_AUTO_TEST_CASE(VersionString)
 {
-  BOOST_STATIC_ASSERT(NDN_CXX_VERSION_MAJOR < 1000);
-  char buf[20];
-  snprintf(buf, sizeof(buf), "%d.%d.%d",
-           NDN_CXX_VERSION_MAJOR, NDN_CXX_VERSION_MINOR, NDN_CXX_VERSION_PATCH);
+  BOOST_TEST_MESSAGE("NDN_CXX_VERSION_STRING = " NDN_CXX_VERSION_STRING);
 
-  BOOST_CHECK_EQUAL(std::string(NDN_CXX_VERSION_STRING), std::string(buf));
+  BOOST_STATIC_ASSERT(NDN_CXX_VERSION_MAJOR < 1000);
+  BOOST_STATIC_ASSERT(NDN_CXX_VERSION_MINOR < 1000);
+  BOOST_STATIC_ASSERT(NDN_CXX_VERSION_PATCH < 1000);
+  char buf[12];
+  ::snprintf(buf, sizeof(buf), "%d.%d.%d",
+             NDN_CXX_VERSION_MAJOR, NDN_CXX_VERSION_MINOR, NDN_CXX_VERSION_PATCH);
+
+  BOOST_CHECK_EQUAL(NDN_CXX_VERSION_STRING, buf);
 }
 
-BOOST_AUTO_TEST_SUITE_END()
+BOOST_AUTO_TEST_SUITE_END() // TestVersion
 
 } // namespace tests
 } // namespace ndn