From ccb7b43e9b2c72c596d65715222d2a990f99fa39 Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Sun, 3 Jun 2018 22:06:13 +0000
Subject: [PATCH] tests: Check encoding with highest bit set

Detects j dropping below 0 going unchecked.
This bug was originally fixed in 2c6b7916b604b946904428466ff0271a35535297, but due to ssize_t being a POSIX extension, we are going to check it manually.
---
 Makefile.am               | 1 +
 tests/encode-b58c-high.sh | 3 +++
 2 files changed, 4 insertions(+)
 create mode 100755 tests/encode-b58c-high.sh

diff --git a/Makefile.am b/Makefile.am
index f870182..f51e2c0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -33,6 +33,7 @@ TESTS = \
 	tests/decode-zero.sh \
 	tests/encode.sh \
 	tests/encode-b58c.sh \
+	tests/encode-b58c-high.sh \
 	tests/encode-fail.sh \
 	tests/encode-small.sh
 SH_LOG_COMPILER = /bin/sh
diff --git a/tests/encode-b58c-high.sh b/tests/encode-b58c-high.sh
new file mode 100755
index 0000000..6c788f6
--- /dev/null
+++ b/tests/encode-b58c-high.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+b58=$(echo 'ff5a1fc5dd9e6f03819fca94a2d89669469667f9a0' | xxd -r -p | base58 -c)
+test x$b58 = x2mkQLxaN3Y4CwN5E9rdMWNgsXX7VS6UnfeT