refactor: tag_invoke CPOs for test utility customization

Author: nickelpro

CMakeLists.txt

@@ -21,7 +21,9 @@ target_include_directories(testutil INTERFACE ${VERILATOR_ROOT}/include)
 target_sources(testutil INTERFACE
   FILE_SET HEADERS
   BASE_DIRS src
-  FILES src/NyuTestUtil.hpp
+  FILES
+    src/NyuTestUtil.hpp
+    src/NyuCatch2TestUtil.hpp
 )
 
 include(CMakePackageConfigHelpers)

src/CovRecorder.cpp

@@ -24,7 +24,7 @@ class VerilatorCoverageReporter : public Catch::EventListenerBase {
 private:
   std::string makeFileName(const std::string& testName) {
     std::string fileName(testName.size(), '\0');
-    std::string unsafe {"/<>:\"\\|?*"};
+    std::string unsafe {R"(/<>:"\|?*)"};
     std::transform(testName.begin(), testName.end(), fileName.begin(),
         [&](char c) { return unsafe.find(c) == std::string::npos ? c : '_'; });
     return fileName + ".dat";

src/NyuCatch2TestUtil.hpp

@@ -0,0 +1,21 @@
+#ifndef NYU_CATCH2_TEST_UTIL
+#define NYU_CATCH2_TEST_UTIL
+
+#include <NyuTestUtil.hpp>
+
+#include <catch2/interfaces/catch_interfaces_capture.hpp>
+
+namespace nyu {
+struct catch2_test_name_token {};
+
+std::string tag_invoke(::nyu::get_test_name_t, ::nyu::catch2_test_name_token) {
+  return Catch::getResultCapture().getCurrentTestName();
+}
+
+template <typename Dut> decltype(auto) get_dut_catch2(dut_options opts = {}) {
+  return ::nyu::get_dut<Dut>(std::move(opts), ::nyu::catch2_test_name_token {});
+}
+
+} // namespace nyu
+
+#endif // NYU_CATCH2_TEST_UTIL