From f9522ed2bc8b6b00016d86c8b4cef374d7993999 Mon Sep 17 00:00:00 2001
From: Daira Hopwood <daira@jacaranda.org>
Date: Mon, 13 Sep 2021 14:41:45 +0100
Subject: [PATCH] Add a test that uses the second bytes of the index to G

---
 components/zcash_address/src/kind/unified/f4jumble.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/zcash_address/src/kind/unified/f4jumble.rs b/components/zcash_address/src/kind/unified/f4jumble.rs
index 7bc267889..4d346076e 100644
--- a/components/zcash_address/src/kind/unified/f4jumble.rs
+++ b/components/zcash_address/src/kind/unified/f4jumble.rs
@@ -32,7 +32,7 @@ macro_rules! G_PERS {
             95,
             71,
             $i,
-            $j as u8,
+            ($j & 0xFF) as u8,
             ($j >> 8) as u8,
         ]
     };
@@ -134,6 +134,7 @@ mod tests {
     #[test]
     fn g_pers() {
         assert_eq!(&G_PERS!(7, 13), b"UA_F4Jumble_G\x07\x0d\x00");
+        assert_eq!(&G_PERS!(7, 65535), b"UA_F4Jumble_G\x07\xff\xff");
     }
 
     proptest! {