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1.0 KiB
1.0 KiB
C++ end-to-end tests
These tests validate that a Nim FFI library exported with nim-ffi's C++
codegen is usable from a real C++ consumer. They drive the my_timer example
through its auto-generated my_timer.hpp bindings (constructor, sync method,
async methods, complex types with optional fields, multiple contexts) and
assert the round-tripped values.
Layout
The suite reuses the generated bindings instead of duplicating the Nim build glue:
CMakeLists.txt—add_subdirectorysexamples/timer/cpp_bindings, which compileslibmy_timerand exposes themy_timer_headersINTERFACE target. Fetches GoogleTest and registers tests with CTest viagtest_discover_tests.test_timer_e2e.cpp— the test cases.
Running
# 1. Generate the C++ bindings (writes examples/timer/cpp_bindings/)
nimble genbindings_cpp
# 2. Configure + build + run the tests
cmake -S tests/e2e/cpp -B tests/e2e/cpp/build
cmake --build tests/e2e/cpp/build
ctest --test-dir tests/e2e/cpp/build --output-on-failure