2 files changed, 98 insertions, 0 deletions
diff --git a/tests/unit_tests/CMakeLists.txt b/tests/unit_tests/CMakeLists.txt
index 0ff8d5842..3c0e8067e 100644
--- a/tests/unit_tests/CMakeLists.txt
+++ b/tests/unit_tests/CMakeLists.txt
@@ -40,6 +40,7 @@ set(unit_tests_sources
   dns_resolver.cpp
   epee_boosted_tcp_server.cpp
   epee_levin_protocol_handler_async.cpp
+  epee_utils.cpp
   fee.cpp
   get_xtype_from_string.cpp
   http.cpp
diff --git a/tests/unit_tests/epee_utils.cpp b/tests/unit_tests/epee_utils.cpp
new file mode 100644
index 000000000..25b2bddd9
--- /dev/null
+++ b/tests/unit_tests/epee_utils.cpp
@@ -0,0 +1,97 @@
+// Copyright (c) 2014-2017, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <array>
+#ifdef _WIN32
+# include <winsock.h>
+#else
+# include <arpa/inet.h>
+#endif
+
+#include <cstdint>
+#include <gtest/gtest.h>
+#include <string>
+
+#include "string_tools.h"
+
+TEST(StringTools, GetIpString)
+{
+  EXPECT_EQ(
+    std::string{"0.0.0.0"}, epee::string_tools::get_ip_string_from_int32(0)
+  );
+  EXPECT_EQ(
+    std::string{"255.0.255.0"},
+    epee::string_tools::get_ip_string_from_int32(htonl(0xff00ff00))
+  );
+  EXPECT_EQ(
+    std::string{"255.255.255.255"},
+    epee::string_tools::get_ip_string_from_int32(htonl(0xffffffff))
+  );
+}
+
+TEST(StringTools, GetIpInt32)
+{
+  std::uint32_t ip = 0;
+  EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, ""));
+  EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "1."));
+  EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "1.1."));
+  EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "1.1.1."));
+  EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "ff.0.ff.0"));
+  EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "1.1.1.256"));
+
+  EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "1"));
+  EXPECT_EQ(htonl(1), ip);
+
+  EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "1.1"));
+  EXPECT_EQ(htonl(0x1000001), ip);
+
+  EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "1.1.1"));
+  EXPECT_EQ(htonl(0x1010001), ip);
+
+  EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "0.0.0.0"));
+  EXPECT_EQ(0, ip);
+
+  EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "1.1.1.1"));
+  EXPECT_EQ(htonl(0x01010101), ip);
+
+/*
+  The existing epee conversion function does not work with 255.255.255.255, for
+  the reasons specified in the inet_addr documentation. Consider fixing in a
+  future patch. This address is not likely to be used for purposes within
+  monero.
+  EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "255.255.255.255"));
+  EXPECT_EQ(htonl(0xffffffff), ip);
+*/
+
+  EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "10.0377.0.0377"));
+  EXPECT_EQ(htonl(0xaff00ff), ip);
+
+  EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "0xff.10.0xff.0"));
+  EXPECT_EQ(htonl(0xff0aff00), ip);
+}
+