WIP win-vhid iter12: add ASan runtime DLL dir to test PATH (fixes 0xC0000135 in shared+ASan ctest)

Author: Youw

src/tests/CMakeLists.txt

@@ -58,4 +58,12 @@ if(WIN32)
     # build can locate it at launch (there is no rpath on Windows).
     set_tests_properties(ReadInterrupt PROPERTIES
         WORKING_DIRECTORY "$<TARGET_FILE_DIR:${HIDAPI_TEST_BACKEND}>")
+
+    # When built with ASan (MSVC), the test exe needs the ASan runtime DLL,
+    # which lives next to the MSVC tools; add it to PATH (CMake >= 3.22).
+    if(HIDAPI_ENABLE_ASAN AND MSVC AND NOT CMAKE_VERSION VERSION_LESS "3.22")
+        get_filename_component(MSVC_BUILD_TOOLS_DIR "${CMAKE_LINKER}" DIRECTORY)
+        set_property(TEST ReadInterrupt PROPERTY
+            ENVIRONMENT_MODIFICATION "PATH=path_list_append:${MSVC_BUILD_TOOLS_DIR}")
+    endif()
 endif()