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| author | David Tolnay <dtolnay@gmail.com> | 2024-12-20 19:47:49 -0800 |
|---|---|---|
| committer | David Tolnay <dtolnay@gmail.com> | 2024-12-20 20:12:20 -0800 |
| commit | d748d1d9533bac2a29371b8154acebebaf588ca1 (patch) | |
| tree | 46f3140d2a904dc1f56c815bb85b3c3c5413bf8f | |
| parent | 13170cd787cb733ed24842ee825bcbd98dc01476 (diff) | |
| download | rust-d748d1d9533bac2a29371b8154acebebaf588ca1.tar.gz rust-d748d1d9533bac2a29371b8154acebebaf588ca1.zip | |
Add some parenthesization test cases with operators that are not left-associative
| -rw-r--r-- | tests/ui-fulldeps/pprust-parenthesis-insertion.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/ui-fulldeps/pprust-parenthesis-insertion.rs b/tests/ui-fulldeps/pprust-parenthesis-insertion.rs index 184458bad55..8b76eb7b606 100644 --- a/tests/ui-fulldeps/pprust-parenthesis-insertion.rs +++ b/tests/ui-fulldeps/pprust-parenthesis-insertion.rs @@ -61,6 +61,9 @@ static EXPRS: &[&str] = &[ "(2 + 2) * 2", "2 * (2 + 2)", "2 + 2 + 2", + // Right-associative operator. + "2 += 2 += 2", + "(2 += 2) += 2", // Return has lower precedence than a binary operator. "(return 2) + 2", "2 + (return 2)", // FIXME: no parenthesis needed. @@ -89,6 +92,11 @@ static EXPRS: &[&str] = &[ // allowed, except if the break is also labeled. "break 'outer 'inner: loop {} + 2", "break ('inner: loop {} + 2)", + // Grammar restriction: ranges cannot be the endpoint of another range. + "(2..2)..2", + "2..(2..2)", + "(2..2)..", + "..(2..2)", // Grammar restriction: the value in let-else is not allowed to end in a // curly brace. "{ let _ = 1 + 1 else {}; }", |