Move duplicate_crash_2 test to semantic.rs

Author: kiminuo

fuzz/fuzz_targets/roundtrip_policy.rs

@@ -51,11 +51,4 @@ mod tests {
         extend_vec_from_hex("00", &mut a);
         super::do_test(&a);
     }
-
-    #[test]
-    fn duplicate_crash_2() {
-        let mut a = Vec::new();
-        extend_vec_from_hex("746872657368", &mut a); // thresh
-        super::do_test(&a);
-    }
 }

src/lib.rs

@@ -445,4 +445,4 @@ pub fn script_num_size(n: usize) -> usize {
 fn hex_script(s: &str) -> bitcoin::Script {
     let v: Vec<u8> = bitcoin::hashes::hex::FromHex::from_hex(s).unwrap();
     bitcoin::Script::from(v)
-}
+}

src/policy/semantic.rs

@@ -485,6 +485,11 @@ mod tests {
              )"
         )
         .is_ok());
+
+        assert_eq!(
+            StringPolicy::from_str("thresh").unwrap_err().to_string(),
+            "unexpected «thresh without args»"
+        );
     }
 
     #[test]