--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/UnitTestsSources/ToolboxTests.cpp	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,175 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2020 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1
+#  include <OrthancFramework.h>
+#endif
+
+#include "PrecompiledHeadersUnitTests.h"
+#include "gtest/gtest.h"
+#include "../Core/Compatibility.h"
+#include "../Core/IDynamicObject.h"
+#include "../Core/OrthancException.h"
+#include "../Core/Toolbox.h"
+
+using namespace Orthanc;
+
+TEST(Toolbox, Base64_allByteValues)
+{
+  std::string toEncode;
+  std::string base64Result;
+  std::string decodedResult;
+
+  size_t size = 2*256;
+  toEncode.reserve(size);
+  for (size_t i = 0; i < size; i++)
+    toEncode.push_back(i % 256);
+
+  Toolbox::EncodeBase64(base64Result, toEncode);
+  Toolbox::DecodeBase64(decodedResult, base64Result);
+
+  ASSERT_EQ(toEncode, decodedResult);
+}
+
+TEST(Toolbox, Base64_multipleSizes)
+{
+  std::string toEncode;
+  std::string base64Result;
+  std::string decodedResult;
+
+  for (size_t size = 0; size <= 5; size++)
+  {
+    printf("base64, testing size %zu\n", size);
+    toEncode.clear();
+    toEncode.reserve(size);
+    for (size_t i = 0; i < size; i++)
+      toEncode.push_back(i % 256);
+
+    Toolbox::EncodeBase64(base64Result, toEncode);
+    Toolbox::DecodeBase64(decodedResult, base64Result);
+
+    ASSERT_EQ(toEncode, decodedResult);
+  }
+}
+
+static std::string EncodeBase64Bis(const std::string& s)
+{
+  std::string result;
+  Toolbox::EncodeBase64(result, s);
+  return result;
+}
+
+
+TEST(Toolbox, Base64)
+{
+  ASSERT_EQ("", EncodeBase64Bis(""));
+  ASSERT_EQ("YQ==", EncodeBase64Bis("a"));
+
+  const std::string hello = "SGVsbG8gd29ybGQ=";
+  ASSERT_EQ(hello, EncodeBase64Bis("Hello world"));
+
+  std::string decoded;
+  Toolbox::DecodeBase64(decoded, hello);
+  ASSERT_EQ("Hello world", decoded);
+
+  // Invalid character
+  ASSERT_THROW(Toolbox::DecodeBase64(decoded, "?"), OrthancException);
+
+  // All the allowed characters
+  Toolbox::DecodeBase64(decoded, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=");
+}
+
+
+#if 0 // enable only when compiling in Release with a C++ 11 compiler
+#include <chrono> // I had troubles to link with boost::chrono ...
+
+TEST(Toolbox, Base64_largeString)
+{
+  std::string toEncode;
+  std::string base64Result;
+  std::string decodedResult;
+
+  size_t size = 10 * 1024 * 1024;
+  toEncode.reserve(size);
+  for (size_t i = 0; i < size; i++)
+    toEncode.push_back(i % 256);
+
+  std::chrono::high_resolution_clock::time_point start;
+  std::chrono::high_resolution_clock::time_point afterEncoding;
+  std::chrono::high_resolution_clock::time_point afterDecoding;
+
+  start = std::chrono::high_resolution_clock::now();
+  Orthanc::Toolbox::EncodeBase64(base64Result, toEncode);
+  afterEncoding = std::chrono::high_resolution_clock::now();
+  Orthanc::Toolbox::DecodeBase64(decodedResult, base64Result);
+  afterDecoding = std::chrono::high_resolution_clock::now();
+
+  ASSERT_EQ(toEncode, decodedResult);
+
+  printf("encoding took %zu ms\n", (std::chrono::duration_cast<std::chrono::milliseconds>(afterEncoding - start)));
+  printf("decoding took %zu ms\n", (std::chrono::duration_cast<std::chrono::milliseconds>(afterDecoding - afterEncoding)));
+}
+#endif
+
+
+TEST(Toolbox, LargeHexadecimalToDecimal)
+{
+  // https://stackoverflow.com/a/16967286/881731
+  ASSERT_EQ(
+    "166089946137986168535368849184301740204613753693156360462575217560130904921953976324839782808018277000296027060873747803291797869684516494894741699267674246881622658654267131250470956587908385447044319923040838072975636163137212887824248575510341104029461758594855159174329892125993844566497176102668262139513",
+    Toolbox::LargeHexadecimalToDecimal("EC851A69B8ACD843164E10CFF70CF9E86DC2FEE3CF6F374B43C854E3342A2F1AC3E30C741CC41E679DF6D07CE6FA3A66083EC9B8C8BF3AF05D8BDBB0AA6Cb3ef8c5baa2a5e531ba9e28592f99e0fe4f95169a6c63f635d0197e325c5ec76219b907e4ebdcd401fb1986e4e3ca661ff73e7e2b8fd9988e753b7042b2bbca76679"));
+
+  ASSERT_EQ("0", Toolbox::LargeHexadecimalToDecimal(""));
+  ASSERT_EQ("0", Toolbox::LargeHexadecimalToDecimal("0"));
+  ASSERT_EQ("0", Toolbox::LargeHexadecimalToDecimal("0000"));
+  ASSERT_EQ("255", Toolbox::LargeHexadecimalToDecimal("00000ff"));
+
+  ASSERT_THROW(Toolbox::LargeHexadecimalToDecimal("g"), Orthanc::OrthancException);
+}
+
+
+TEST(Toolbox, GenerateDicomPrivateUniqueIdentifier)
+{
+  std::string s = Toolbox::GenerateDicomPrivateUniqueIdentifier();
+  ASSERT_EQ("2.25.", s.substr(0, 5));
+}
+
+
+TEST(Toolbox, UniquePtr)
+{
+  std::unique_ptr<int> i(new int(42));
+  ASSERT_EQ(42, *i);
+
+  std::unique_ptr<SingleValueObject<int> > j(new SingleValueObject<int>(42));
+  ASSERT_EQ(42, j->GetValue());
+}