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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/lint/lint-type-limits.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/lint/lint-type-limits.rs')
-rw-r--r-- | tests/ui/lint/lint-type-limits.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/lint/lint-type-limits.rs b/tests/ui/lint/lint-type-limits.rs new file mode 100644 index 000000000..2b140f869 --- /dev/null +++ b/tests/ui/lint/lint-type-limits.rs @@ -0,0 +1,27 @@ +#![allow(dead_code)] + +// compile-flags: -D unused-comparisons +fn main() { } + +fn foo() { + let mut i = 100_usize; + while i >= 0 { //~ ERROR comparison is useless due to type limits + i -= 1; + } +} + +fn bar() -> i8 { + return 123; +} + +fn bleh() { + let u = 42u8; + let _ = u > 255; //~ ERROR comparison is useless due to type limits + let _ = 255 < u; //~ ERROR comparison is useless due to type limits + let _ = u < 0; //~ ERROR comparison is useless due to type limits + let _ = 0 > u; //~ ERROR comparison is useless due to type limits + let _ = u <= 255; //~ ERROR comparison is useless due to type limits + let _ = 255 >= u; //~ ERROR comparison is useless due to type limits + let _ = u >= 0; //~ ERROR comparison is useless due to type limits + let _ = 0 <= u; //~ ERROR comparison is useless due to type limits +} |