--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/UnitTestsSources/ZipTests.cpp	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,193 @@
+/**
+ * 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/OrthancException.h"
+#include "../Core/Compression/ZipWriter.h"
+#include "../Core/Compression/HierarchicalZipWriter.h"
+#include "../Core/Toolbox.h"
+
+
+using namespace Orthanc;
+
+TEST(ZipWriter, Basic)
+{
+  Orthanc::ZipWriter w;
+  w.SetOutputPath("UnitTestsResults/hello.zip");
+  w.Open();
+  w.OpenFile("world/hello");
+  w.Write("Hello world");
+}
+
+
+TEST(ZipWriter, Basic64)
+{
+  Orthanc::ZipWriter w;
+  w.SetOutputPath("UnitTestsResults/hello64.zip");
+  w.SetZip64(true);
+  w.Open();
+  w.OpenFile("world/hello");
+  w.Write("Hello world");
+}
+
+
+TEST(ZipWriter, Exceptions)
+{
+  Orthanc::ZipWriter w;
+  ASSERT_THROW(w.Open(), Orthanc::OrthancException);
+  w.SetOutputPath("UnitTestsResults/hello3.zip");
+  w.Open();
+  ASSERT_THROW(w.Write("hello world"), Orthanc::OrthancException);
+}
+
+
+TEST(ZipWriter, Append)
+{
+  {
+    Orthanc::ZipWriter w;
+    w.SetAppendToExisting(false);
+    w.SetOutputPath("UnitTestsResults/append.zip");
+    w.Open();
+    w.OpenFile("world/hello");
+    w.Write("Hello world 1");
+  }
+
+  {
+    Orthanc::ZipWriter w;
+    w.SetAppendToExisting(true);
+    w.SetOutputPath("UnitTestsResults/append.zip");
+    w.Open();
+    w.OpenFile("world/appended");
+    w.Write("Hello world 2");
+  }
+}
+
+
+
+
+
+namespace Orthanc
+{
+  // The namespace is necessary
+  // http://code.google.com/p/googletest/wiki/AdvancedGuide#Private_Class_Members
+
+  TEST(HierarchicalZipWriter, Index)
+  {
+    HierarchicalZipWriter::Index i;
+    ASSERT_EQ("hello", i.OpenFile("hello"));
+    ASSERT_EQ("hello-2", i.OpenFile("hello"));
+    ASSERT_EQ("coucou", i.OpenFile("coucou"));
+    ASSERT_EQ("hello-3", i.OpenFile("hello"));
+
+    i.OpenDirectory("coucou");
+
+    ASSERT_EQ("coucou-2/world", i.OpenFile("world"));
+    ASSERT_EQ("coucou-2/world-2", i.OpenFile("world"));
+
+    i.OpenDirectory("world");
+  
+    ASSERT_EQ("coucou-2/world-3/hello", i.OpenFile("hello"));
+    ASSERT_EQ("coucou-2/world-3/hello-2", i.OpenFile("hello"));
+
+    i.CloseDirectory();
+
+    ASSERT_EQ("coucou-2/world-4", i.OpenFile("world"));
+
+    i.CloseDirectory();
+
+    ASSERT_EQ("coucou-3", i.OpenFile("coucou"));
+
+    ASSERT_THROW(i.CloseDirectory(), OrthancException);
+  }
+
+
+  TEST(HierarchicalZipWriter, Filenames)
+  {
+    ASSERT_EQ("trE hell", HierarchicalZipWriter::Index::KeepAlphanumeric("    ÊtrE hellô  "));
+
+    // The "^" character is considered as a space in DICOM
+    ASSERT_EQ("Hel lo world", HierarchicalZipWriter::Index::KeepAlphanumeric("    Hel^^  ^\r\n\t^^lo  \t  <world>  "));
+  }
+}
+
+
+TEST(HierarchicalZipWriter, Basic)
+{
+  static const std::string SPACES = "                             ";
+
+  HierarchicalZipWriter w("UnitTestsResults/hello2.zip");
+
+  w.SetCompressionLevel(0);
+
+  // Inside "/"
+  w.OpenFile("hello");
+  w.Write(SPACES + "hello\n");
+  w.OpenFile("hello");
+  w.Write(SPACES + "hello-2\n");
+  w.OpenDirectory("hello");
+
+  // Inside "/hello-3"
+  w.OpenFile("hello");
+  w.Write(SPACES + "hello\n");
+  w.OpenDirectory("hello");
+
+  w.SetCompressionLevel(9);
+
+  // Inside "/hello-3/hello-2"
+  w.OpenFile("hello");
+  w.Write(SPACES + "hello\n");
+  w.OpenFile("hello");
+  w.Write(SPACES + "hello-2\n");
+  w.CloseDirectory();
+
+  // Inside "/hello-3"
+  w.OpenFile("hello");
+  w.Write(SPACES + "hello-3\n");
+
+  /**
+
+     TO CHECK THE CONTENT OF THE "hello2.zip" FILE:
+
+     # unzip -v hello2.zip 
+
+     => There must be 6 files. The first 3 files must have a negative
+     compression ratio.
+
+  **/
+}