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Diffstat (limited to '')
-rw-r--r-- | library/std/src/os/unix/io/fd/tests.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/library/std/src/os/unix/io/fd/tests.rs b/library/std/src/os/unix/io/fd/tests.rs new file mode 100644 index 000000000..84d2a7a1a --- /dev/null +++ b/library/std/src/os/unix/io/fd/tests.rs @@ -0,0 +1,11 @@ +use crate::mem::size_of; +use crate::os::unix::io::RawFd; + +#[test] +fn test_raw_fd_layout() { + // `OwnedFd` and `BorrowedFd` use `rustc_layout_scalar_valid_range_start` + // and `rustc_layout_scalar_valid_range_end`, with values that depend on + // the bit width of `RawFd`. If this ever changes, those values will need + // to be updated. + assert_eq!(size_of::<RawFd>(), 4); +} |