add testcase for more than 3 cfg names

This commit is contained in:
yukang 2024-01-30 16:54:40 +08:00
parent 0213c87e12
commit ca243e7501
2 changed files with 25 additions and 0 deletions

@ -0,0 +1,12 @@
// #120427
// This test checks we won't suggest more than 3 span suggestions for cfg names
//
// check-pass
// compile-flags: -Z unstable-options
// compile-flags: --check-cfg=cfg(foo,values("value")) --check-cfg=cfg(bar,values("value")) --check-cfg=cfg(bee,values("value")) --check-cfg=cfg(cow,values("value"))
#[cfg(value)]
//~^ WARNING unexpected `cfg` condition name: `value`
fn x() {}
fn main() {}

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warning: unexpected `cfg` condition name: `value`
--> $DIR/cfg-value-for-cfg-name-duplicate.rs:8:7
|
LL | #[cfg(value)]
| ^^^^^
|
= help: expected names are: `bar`, `bee`, `cow`, `debug_assertions`, `doc`, `doctest`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
= help: to expect this configuration use `--check-cfg=cfg(value)`
= note: see <https://doc.rust-lang.org/nightly/unstable-book/compiler-flags/check-cfg.html> for more information about checking conditional configuration
= note: `#[warn(unexpected_cfgs)]` on by default
warning: 1 warning emitted