extend fuzzing to cover Display as well

dtolnay · May 25, 2021 · bae08d4 · bae08d4
1 parent f3bc45a
commit bae08d4
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/fuzz/parse_version.rs b/fuzz/parse_version.rs
@@ -6,6 +6,9 @@ use std::str;
 
 fuzz_target!(|bytes: &[u8]| {
     if let Ok(string) = str::from_utf8(bytes) {
-        let _ = Version::parse(string);
+        if let Ok(v1) = Version::parse(string) {
+            let v2 = Version::parse(&v1.to_string()).unwrap();
+            assert_eq!(v1, v2);
+        }
     }
 });
diff --git a/fuzz/parse_version_req.rs b/fuzz/parse_version_req.rs
@@ -6,6 +6,9 @@ use std::str;
 
 fuzz_target!(|bytes: &[u8]| {
     if let Ok(string) = str::from_utf8(bytes) {
-        let _ = VersionReq::parse(string);
+        if let Ok(v1) = VersionReq::parse(string) {
+            let v2 = VersionReq::parse(&v1.to_string()).unwrap();
+            assert_eq!(v1, v2);
+        }
     }
 });