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Currently, return values of KUnit `#[test]` functions are ignored.
Thus introduce support for `-> Result` functions by checking their
returned values.
At the same time, require that test functions return `()` or `Result<T,
E>`, which should avoid mistakes, especially with non-`#[must_use]`
types. Other types can be supported in the future if needed.
With this, a failing test like:
#[test]
fn my_test() -> Result {
f()?;
Ok(())
}
will output:
[ 3.744214] KTAP version 1
[ 3.744287] # Subtest: my_test_suite
[ 3.744378] # speed: normal
[ 3.744399] 1..1
[ 3.745817] # my_test: ASSERTION FAILED at rust/kernel/lib.rs:321
[ 3.745817] Expected is_test_result_ok(my_test()) to be true, but is false
[ 3.747152] # my_test.speed: normal
[ 3.747199] not ok 1 my_test
[ 3.747345] not ok 4 my_test_suite
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20250502215133.1923676-3-ojeda@kernel.org
[ Used `::kernel` for paths. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.