Added a unit test for the byte orderer component

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%404220

dlib/test/CMakeLists.txt

@@ -26,6 +26,7 @@ set (tests
    binary_search_tree_kernel_2a.cpp
    binary_search_tree_mm1.cpp
    binary_search_tree_mm2.cpp
+   byte_orderer.cpp
    cmd_line_parser.cpp
    cmd_line_parser_wchar_t.cpp
    compress_stream.cpp

dlib/test/byte_orderer.cpp

+// Copyright (C) 2011  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+
+
+#include <sstream>
+#include <string>
+#include <cstdlib>
+#include <ctime>
+#include <cmath>
+#include <dlib/byte_orderer.h>
+
+#include "tester.h"
+
+namespace  
+{
+
+    using namespace test;
+    using namespace dlib;
+    using namespace std;
+
+    logger dlog("test.byte_orderer");
+
+
+    class byte_orderer_tester : public tester
+    {
+    public:
+        byte_orderer_tester (
+        ) :
+            tester ("test_byte_orderer",
+                    "Runs tests on the byte_orderer component.")
+        {}
+
+        void perform_test (
+        )
+        {
+            byte_orderer::kernel_1a bo;
+
+            union data
+            {
+                unsigned char b[4];
+                dlib::uint32 val;
+            };
+
+            data a;
+
+            a.val = 1;
+
+            if (bo.host_is_little_endian())
+            {
+                DLIB_TEST(a.b[0] == 1);
+                DLIB_TEST(a.b[1] == 0);
+                DLIB_TEST(a.b[2] == 0);
+                DLIB_TEST(a.b[3] == 0);
+
+                bo.host_to_big(a.val);
+
+                DLIB_TEST(a.b[0] == 0);
+                DLIB_TEST(a.b[1] == 0);
+                DLIB_TEST(a.b[2] == 0);
+                DLIB_TEST(a.b[3] == 1);
+
+                bo.big_to_host(a.val);
+
+                DLIB_TEST(a.b[0] == 1);
+                DLIB_TEST(a.b[1] == 0);
+                DLIB_TEST(a.b[2] == 0);
+                DLIB_TEST(a.b[3] == 0);
+
+                DLIB_TEST(a.val == 1);
+                bo.host_to_network(a.val);
+                DLIB_TEST(a.val == 0x01000000);
+                bo.network_to_host(a.val);
+                DLIB_TEST(a.val == 1);
+            }
+            else
+            {
+                DLIB_TEST(a.b[0] == 0);
+                DLIB_TEST(a.b[1] == 0);
+                DLIB_TEST(a.b[2] == 0);
+                DLIB_TEST(a.b[3] == 1);
+
+                bo.host_to_little(a.val);
+
+                DLIB_TEST(a.b[0] == 1);
+                DLIB_TEST(a.b[1] == 0);
+                DLIB_TEST(a.b[2] == 0);
+                DLIB_TEST(a.b[3] == 0);
+
+                bo.little_to_host(a.val);
+
+                DLIB_TEST(a.b[0] == 0);
+                DLIB_TEST(a.b[1] == 0);
+                DLIB_TEST(a.b[2] == 0);
+                DLIB_TEST(a.b[3] == 1);
+
+
+                DLIB_TEST(a.val == 1);
+                bo.network_to_host(a.val);
+                DLIB_TEST(a.val == 1);
+                bo.host_to_network(a.val);
+                DLIB_TEST(a.val == 1);
+
+            }
+
+
+        }
+    } a;
+
+}
+
+

dlib/test/makefile

@@ -36,6 +36,7 @@ SRC += binary_search_tree_kernel_1a.cpp
 SRC += binary_search_tree_kernel_2a.cpp
 SRC += binary_search_tree_mm1.cpp
 SRC += binary_search_tree_mm2.cpp
+SRC += byte_orderer.cpp
 SRC += cmd_line_parser.cpp
 SRC += cmd_line_parser_wchar_t.cpp
 SRC += compress_stream.cpp