[Tests] Add converted XrdEc test (MicroTest)

Adds converted XrdEc tests from CPPUnit to GTest.
In addition, it adds the new references to the XrdEcTests class in the
Reader and Zip class (as friend classes).

src/XrdCl/XrdClZipArchive.hh

@@ -44,6 +44,7 @@
 //-----------------------------------------------------------------------------
 namespace XrdEc{ class StrmWriter; class Reader; template<bool> class OpenOnlyImpl; };
 class MicroTest;
+class XrdEcTests;
 
 namespace XrdCl
 {
@@ -63,6 +64,7 @@ namespace XrdCl
     template<bool>
     friend class XrdEc::OpenOnlyImpl;
     friend class ::MicroTest;
+    friend class ::XrdEcTests;
 
     template<typename RSP>
     friend XRootDStatus ReadFromImpl( ZipArchive&, const std::string&, uint64_t, uint32_t, void*, ResponseHandler*, uint16_t );

src/XrdEc/XrdEcReader.hh

@@ -35,6 +35,7 @@
 #include <unordered_set>
 
 class MicroTest;
+class XrdEcTests;
 
 namespace XrdEc
 {
@@ -57,6 +58,7 @@ namespace XrdEc
   class Reader
   {
     friend class ::MicroTest;
+    friend class ::XrdEcTests;
     friend struct block_t;
 
     public:

tests/CMakeLists.txt

@@ -8,6 +8,7 @@ add_subdirectory( XrdSsiTests )
 
 if( BUILD_XRDEC )
   add_subdirectory( XrdEcTests )
+  add_subdirectory( XrdEc ) # new tests with GTest
 endif()
 
 if( BUILD_CEPH )

tests/XrdCl/XrdClUtilsTest.cc

@@ -22,6 +22,7 @@
 // or submit itself to any jurisdiction.
 //------------------------------------------------------------------------------
 
+#include <gtest/gtest.h>
 #include "XrdCl/XrdClAnyObject.hh"
 #include "GTestXrdHelpers.hh"
 #include "XrdCl/XrdClTaskManager.hh"

tests/XrdEc/CMakeLists.txt

@@ -0,0 +1,25 @@
+add_executable(xrdec-unit-tests
+  MicroTest.cc
+  ../common/Server.cc
+  ../common/Utils.cc
+  ../common/TestEnv.cc
+)
+
+target_link_libraries(xrdec-unit-tests
+  XrdEc
+  XrdCl
+  XrdXml
+  XrdUtils
+  ZLIB::ZLIB
+  GTest::GTest
+  GTest::Main
+  ${ISAL_LIBRARIES}
+)
+
+target_include_directories(xrdec-unit-tests
+  PRIVATE ${CMAKE_SOURCE_DIR}/src
+  PRIVATE ../common
+  ${ISAL_INCLUDE_DIRS}
+)
+
+gtest_discover_tests(xrdec-unit-tests TEST_PREFIX XrdCl::)