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test(frontmatter): Cover spaces between infostring parts #148042

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Oct 24, 2025
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test(frontmatter): Cover spaces between infostring parts #148042

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9 changes: 9 additions & 0 deletions tests/ui/frontmatter/space-in-infostring.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
--- cargo clippy
//~^ ERROR: invalid infostring for frontmatter
---

// infostrings cannot have spaces

#![feature(frontmatter)]

fn main() {}
10 changes: 10 additions & 0 deletions tests/ui/frontmatter/space-in-infostring.stderr
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
error: invalid infostring for frontmatter
--> $DIR/space-in-infostring.rs:1:4
|
LL | --- cargo clippy
| ^^^^^^^^^^^^^
|
= note: frontmatter infostrings must be a single identifier immediately following the opening

error: aborting due to 1 previous error

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