Add a bindgen test that exercises using error types from a different interface#6802
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alexcrichton merged 1 commit intobytecodealliance:mainfrom Aug 4, 2023
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… feature/preview2 * 'feature/preview2' of github.com:geekbeast/wasmtime: Change preview2 builder methods to use `&mut self` (bytecodealliance#6770) Add a bindgen test that exercises using error types from a different interface (bytecodealliance#6802) Resolve trappable error types with fully qualified package paths (bytecodealliance#6795) Update the dev-dependency for wit-bindgen to 0.9.0 (bytecodealliance#6800) Fix incorrect sample code in documentation (bytecodealliance#6796) (bytecodealliance#6797) Update preview1 to trap on misaligned pointers (bytecodealliance#6776) Fix posix-signals-on-macos on aarch64-apple-darwin (bytecodealliance#6793) consistient WASI preview1 rights reporting (bytecodealliance#6784) Wasmtime: Introduce `{Module,Component}::resources_required` (bytecodealliance#6789)
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Add a test for the changes in #6795 to
trappable_error_typeargument of the hostbindgen!macro. The test uses an error type defined in a different interface as atrappable_error_type, and verifies that the code generator handles that by lifting those result types intoanyhow::Error.The component introduced in this test doesn't make use of multiple modules, and is a complete copy of the component used in the previous
enum_errortest. This works out because of subtyping, but still allows us to test the interface generated by thebindgen!macro.