add loop test + add test to cmake

CMakeLists.txt

@@ -1,7 +1,21 @@
 cmake_minimum_required(VERSION 3.12)
 project(bourne)
 
-if(NOT DEFINED STEINWURF_TOP_NAME)
+find_package(Python COMPONENTS Interpreter)
+
+# Use waf to resolve dependencies
+if(NOT DEFINED STEINWURF_RESOLVE)
+  message(STATUS "Resolving dependencies...")
+  execute_process(
+    COMMAND ${Python_EXECUTABLE} waf resolve ${STEINWURF_RESOLVE_OPTIONS}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    RESULT_VARIABLE STATUS)
+
+  if(STATUS AND NOT STATUS EQUAL 0)
+    message(FATAL_ERROR "Failed: ${STATUS}")
+  endif()
+
+  set(STEINWURF_RESOLVE "${CMAKE_CURRENT_SOURCE_DIR}/resolve_symlinks")
   set(STEINWURF_TOP_NAME bourne)
 endif()
 
@@ -41,4 +55,28 @@ if(${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME})
   # Build executables
   add_executable(example examples/example.cpp)
   target_link_libraries(example bourne)
+
+  enable_testing()
+
+  if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
+    # For Windows: Prevent overriding the parent project's compiler/linker
+    # settings
+    set(gtest_force_shared_crt
+      ON
+      CACHE BOOL "" FORCE)
+  endif()
+
+  # Google Test dependency
+  add_subdirectory("${STEINWURF_RESOLVE}/gtest-source")
+
+  # Build test executable
+  file(GLOB_RECURSE bourne_test_sources ./test/*.cpp)
+  add_executable(bourne_test ${bourne_test_sources})
+  target_link_libraries(bourne_test gtest_main)
+  target_link_libraries(bourne_test steinwurf::bourne)
+
+  # Copy test/test.json to build directory
+  file(COPY test/test.json DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+
+  add_test(bourne_test bourne_test)
 endif()

test/src/test_json.cpp

@@ -309,7 +309,6 @@ TEST(test_json, nested_assignment_cause_memory_leak)
     bourne::json object2;
     object1["key1"] = bourne::json::object();
     object2["key2"] = bourne::json::object();
-    std::cout << "now" << std::endl;
     object1["key1"] = object2["key2"];
 }
 
@@ -341,3 +340,12 @@ TEST(test_json, contains)
         object.contains(other)); // Check that the objects are not contained in
                                  // each other even though they are equal
 }
+
+TEST(test_json, looped_reference)
+{
+    bourne::json object = {"key", 1};
+    object["loop"] = object;
+    object = object["loop"];
+
+    EXPECT_EQ(1, object["key"].to_int());
+}