Add Test::Checksum::IssueNumber to refactor common checksum code

Test/CMakeLists.txt

@@ -3,6 +3,7 @@ set(my_headers
    ${CMAKE_CURRENT_SOURCE_DIR}/ChecksumCondition.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/ChecksumDebugEvent.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/ChecksumFile.hh
+   ${CMAKE_CURRENT_SOURCE_DIR}/ChecksumIssueNumber.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/ChecksumNumberT.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/types.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/TestResult.hh
@@ -15,5 +16,6 @@ set(my_sources
    ${CMAKE_CURRENT_SOURCE_DIR}/ChecksumCondition.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/ChecksumDebugEvent.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/ChecksumFile.cc
+   ${CMAKE_CURRENT_SOURCE_DIR}/ChecksumIssueNumber.cc
    PARENT_SCOPE
 )

Test/ChecksumIssueNumber.cc

+// (C) Copyright 2020 by Autodesk, Inc.
+
+#ifdef TEST_ON
+
+#include "ChecksumIssueNumber.hh"
+#include "TestResult.hh"
+
+#include <sstream>
+
+namespace Test
+{
+namespace Checksum
+{
+
+void IssueNumber::record(const size_t _issue_nmbr, const Result _bad_rslt)
+{
+  Object::record(_issue_nmbr == 0 ? Result::OK : _bad_rslt, _issue_nmbr);
+}
+
+Difference IssueNumber::compare_data(
+    const String& _old, const String& _new) const
+{
+  std::istringstream strm_old(_old), strm_new(_new);
+  size_t val_old, val_new;
+  strm_old >> val_old;
+  strm_new >> val_new;
+
+  if (val_new < val_old)
+    return Difference::IMPROVED;
+  else if (val_new > val_old)
+    return Difference::REGRESSED;
+  else
+    return Difference::EQUAL;
+}
+
+} // namespace Checksum
+} // namespace Test
+
+#endif // TEST_ON

Test/ChecksumIssueNumber.hh

+// (C) Copyright 2020 by Autodesk, Inc.
+
+#ifndef BASE_CHECKSUM_ISSUE_NUMBER_HH_INCLUDED
+#define BASE_CHECKSUM_ISSUE_NUMBER_HH_INCLUDED
+
+#include <Base/Test/Checksum.hh>
+
+#if defined(TEST_ON)
+
+namespace Test
+{
+namespace Checksum
+{
+
+//! Checksum that records and compares a number of issues in a test
+class IssueNumber : public Object
+{
+protected:
+  //! Constructor
+  IssueNumber(const char* const _name, const Level _lvl = L_ALL)
+      : Object(_name, _lvl)
+  {
+  }
+
+  //! Record an error (or warning) if the issue number > 0 
+  void record(const size_t _issue_nmbr, const Result _bad_rslt = Result::ERROR);
+
+  //! Implements a smart comparison for this type of test checksum
+  Difference compare_data(const String& _old, const String& _new) const final;
+};
+
+} // namespace Checksum
+} // namespace Test
+
+#endif // defined(TEST_ON)
+
+#endif//BASE_CHECKSUM_ISSUE_NUMBER_HH_INCLUDED