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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/lint/unused_parens_remove_json_suggestion.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/lint/unused_parens_remove_json_suggestion.rs')
-rw-r--r-- | src/test/ui/lint/unused_parens_remove_json_suggestion.rs | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused_parens_remove_json_suggestion.rs b/src/test/ui/lint/unused_parens_remove_json_suggestion.rs new file mode 100644 index 000000000..952332d54 --- /dev/null +++ b/src/test/ui/lint/unused_parens_remove_json_suggestion.rs @@ -0,0 +1,61 @@ +// compile-flags: --error-format json +// run-rustfix + +// The output for humans should just highlight the whole span without showing +// the suggested replacement, but we also want to test that suggested +// replacement only removes one set of parentheses, rather than naïvely +// stripping away any starting or ending parenthesis characters—hence this +// test of the JSON error format. + +#![deny(unused_parens)] +#![allow(unreachable_code)] + +fn main() { + + let _b = false; + + if (_b) { //~ ERROR unnecessary parentheses + println!("hello"); + } + + f(); + +} + +fn f() -> bool { + let c = false; + + if(c) { //~ ERROR unnecessary parentheses + println!("next"); + } + + if (c){ //~ ERROR unnecessary parentheses + println!("prev"); + } + + while (false && true){ + if (c) { //~ ERROR unnecessary parentheses + println!("norm"); + } + + } + + while(true && false) { //~ ERROR unnecessary parentheses + for _ in (0 .. 3){ //~ ERROR unnecessary parentheses + println!("e~") + } + } + + for _ in (0 .. 3) { //~ ERROR unnecessary parentheses + while (true && false) { //~ ERROR unnecessary parentheses + println!("e~") + } + } + + + loop { + if (break { return true }) { + } + } + false +} |