added main testing object

Framework/Testing/CMakeList.txt

+set (
+  TESTING_SOURCES
+  TestMain.cc
+  )
+
+set (
+  TESTING_HEADERS
+  )
+
+set (
+  TESTING_NAMESPACE
+  corsika/testing
+  )
+
+add_library (CORSIKAtesting STATIC ${TESTING_SOURCES})
+CORSIKA_COPY_HEADERS_TO_NAMESPACE (CORSIKAtesting ${TESTING_NAMESPACE} ${TESTING_HEADERS})
+
+set_target_properties (
+  CORSIKAtesting
+  PROPERTIES
+  VERSION ${PROJECT_VERSION}
+  SOVERSION 1
+  PUBLIC_HEADER "${TESTING_HEADERS}"
+  )
+
+# target dependencies on other libraries (also the header onlys)
+target_link_libraries (
+  CORSIKAtesting
+  CORSIKAthirdparty
+  )
+
+# target_include_directories (
+#  CORSIKAtesting
+#  SYSTEM
+#  PUBLIC    ${CATCH2_INCLUDE_DIR}
+#  INTERFACE ${CATCH2_INCLUDE_DIR}
+#  )
+
+target_include_directories (
+  CORSIKAtesting
+  INTERFACE
+  $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>
+  $<INSTALL_INTERFACE:include/include>
+  )
+
+install (
+  TARGETS CORSIKAtesting
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+  PUBLIC_HEADER DESTINATION include/${TESTING_NAMESPACE}
+  )
+

Framework/Testing/CMakeLists.txt

+set (
+  TESTING_SOURCES
+  TestMain.cc
+  )
+
+set (
+  TESTING_HEADERS
+  )
+
+set (
+  TESTING_NAMESPACE
+  corsika/testing
+  )
+
+add_library (CORSIKAtesting STATIC ${TESTING_SOURCES})
+CORSIKA_COPY_HEADERS_TO_NAMESPACE (CORSIKAtesting ${TESTING_NAMESPACE} ${TESTING_HEADERS})
+
+set_target_properties (
+  CORSIKAtesting
+  PROPERTIES
+  VERSION ${PROJECT_VERSION}
+  SOVERSION 1
+  PUBLIC_HEADER "${TESTING_HEADERS}"
+  )
+
+# target dependencies on other libraries (also the header onlys)
+target_link_libraries (
+  CORSIKAtesting
+  CORSIKAthirdparty
+  )
+
+# target_include_directories (
+#  CORSIKAtesting
+#  SYSTEM
+#  PUBLIC    ${CATCH2_INCLUDE_DIR}
+#  INTERFACE ${CATCH2_INCLUDE_DIR}
+#  )
+
+target_include_directories (
+  CORSIKAtesting
+  INTERFACE
+  $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>
+  $<INSTALL_INTERFACE:include/include>
+  )
+
+install (
+  TARGETS CORSIKAtesting
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+  PUBLIC_HEADER DESTINATION include/${TESTING_NAMESPACE}
+  )
+

Framework/Testing/TestMain.cc

+/*
+ * (c) Copyright 2019 CORSIKA Project, corsika-project@lists.kit.edu
+ *
+ * See file AUTHORS for a list of contributors.
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
+ * the license.
+ */
+
+#define CATCH_CONFIG_MAIN // This tells Catch to provide a main() - only do this in one
+                          // cpp file
+#include <catch2/catch.hpp>

Processes/Testing/ContinousProcessTest.h

+/*
+ * (c) Copyright 2019 CORSIKA Project, corsika-project@lists.kit.edu
+ *
+ * See file AUTHORS for a list of contributors.
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
+ * the license.
+ */
+
+#pragma once
+
+TEMPLATE_TEST_CASE("vectors can be sized and resized", "[vector][template]", int,
+                   std::string, (std::tuple<int, float>)) {
+
+  std::vector<TestType> v(5);
+
+  REQUIRE(v.size() == 5);
+  REQUIRE(v.capacity() >= 5);
+
+  SECTION("resizing bigger changes size and capacity") {
+    v.resize(10);
+
+    REQUIRE(v.size() == 10);
+    REQUIRE(v.capacity() >= 10);
+  }
+  SECTION("resizing smaller changes size but not capacity") {
+    v.resize(0);
+
+    REQUIRE(v.size() == 0);
+    REQUIRE(v.capacity() >= 5);
+
+    SECTION("We can use the 'swap trick' to reset the capacity") {
+      std::vector<TestType> empty;
+      empty.swap(v);
+
+      REQUIRE(v.capacity() == 0);
+    }
+  }
+  SECTION("reserving smaller does not change size or capacity") { v.reserve(0); }
+}