Commit 028df914 authored by Miguel Ojeda's avatar Miguel Ojeda
Browse files

rust: str: convert `rusttest` tests into KUnit 



In general, we should aim to test as much as possible within the actual
kernel, and not in the build host.

Thus convert these `rusttest` tests into KUnit tests.

Reviewed-by: default avatarDavid Gow <davidgow@google.com>
Acked-by: default avatarDanilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20250502215133.1923676-5-ojeda@kernel.org


Signed-off-by: default avatarMiguel Ojeda <ojeda@kernel.org>
parent 897d1df6

rust/kernel/str.rs

+4 −6
Original line number Diff line number Diff line
@@ -6,7 +6,7 @@ 
use core::fmt::{self, Write};

use core::ops::{self, Deref, DerefMut, Index};



use crate::error::{code::*, Error};

use crate::prelude::*;



/// Byte string without UTF-8 validity guarantee.

#[repr(transparent)]
@@ -572,8 +572,7 @@ macro_rules! c_str { 
    }};

}



#[cfg(test)]

#[expect(clippy::items_after_test_module)]

#[kunit_tests(rust_kernel_str)]

mod tests {

    use super::*;
@@ -622,11 +621,10 @@ fn test_cstr_to_str() { 
    }



    #[test]

    #[should_panic]

    fn test_cstr_to_str_panic() {

    fn test_cstr_to_str_invalid_utf8() {

        let bad_bytes = b"\xc3\x28\0";

        let checked_cstr = CStr::from_bytes_with_nul(bad_bytes).unwrap();

        checked_cstr.to_str().unwrap();

        assert!(checked_cstr.to_str().is_err());

    }



    #[test]