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Diffstat (limited to '')
-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 +} |