openpgp: Implement Arbitrary for Fingerprint.

1 files changed, 10 insertions, 0 deletions

diff --git a/openpgp/src/fingerprint.rs b/openpgp/src/fingerprint.rs
index 117e362b..27038f1f 100644
--- a/openpgp/src/fingerprint.rs
+++ b/openpgp/src/fingerprint.rs
@@ -1,4 +1,5 @@
 use std::fmt;
+use quickcheck::{Arbitrary, Gen};
 
 use crate::Result;
 
@@ -182,6 +183,15 @@ impl Fingerprint {
     }
 }
 
+impl Arbitrary for Fingerprint {
+    fn arbitrary<G: Gen>(g: &mut G) -> Self {
+        use rand::Rng;
+        let mut fp = [0; 20];
+        fp.iter_mut().for_each(|p| *p = g.gen());
+        Fingerprint::V4(fp)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;