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-rw-r--r--crates/ra_syntax/src/fuzz.rs6
1 files changed, 5 insertions, 1 deletions
diff --git a/crates/ra_syntax/src/fuzz.rs b/crates/ra_syntax/src/fuzz.rs
index c7084bc6d..1153f0fb9 100644
--- a/crates/ra_syntax/src/fuzz.rs
+++ b/crates/ra_syntax/src/fuzz.rs
@@ -22,12 +22,16 @@ pub struct CheckReparse {
22 22
23impl CheckReparse { 23impl CheckReparse {
24 pub fn from_data(data: &[u8]) -> Option<Self> { 24 pub fn from_data(data: &[u8]) -> Option<Self> {
25 const PREFIX: &'static str = "fn main(){\n\t";
26 const SUFFIX: &'static str = "\n}";
27
25 let data = str::from_utf8(data).ok()?; 28 let data = str::from_utf8(data).ok()?;
26 let mut lines = data.lines(); 29 let mut lines = data.lines();
27 let delete_start = usize::from_str(lines.next()?).ok()?; 30 let delete_start = usize::from_str(lines.next()?).ok()? + PREFIX.len();
28 let delete_len = usize::from_str(lines.next()?).ok()?; 31 let delete_len = usize::from_str(lines.next()?).ok()?;
29 let insert = lines.next()?.to_string(); 32 let insert = lines.next()?.to_string();
30 let text = lines.collect::<Vec<_>>().join("\n"); 33 let text = lines.collect::<Vec<_>>().join("\n");
34 let text = format!("{}{}{}", PREFIX, text, SUFFIX);
31 text.get(delete_start..delete_start.checked_add(delete_len)?)?; // make sure delete is a valid range 35 text.get(delete_start..delete_start.checked_add(delete_len)?)?; // make sure delete is a valid range
32 let delete = TextRange::offset_len( 36 let delete = TextRange::offset_len(
33 TextUnit::from_usize(delete_start), 37 TextUnit::from_usize(delete_start),