1 files changed, 1 insertions, 0 deletions

diff --git a/tests/test-bit32.lua b/tests/test-bit32.lua
index cc91e52..a408b7d 100755
--- a/tests/test-bit32.lua
+++ b/tests/test-bit32.lua
@@ -4,6 +4,7 @@ local bit32 = require("bit32")
 
 
 assert(bit32.bnot(0) == 2^32-1)
+assert(bit32.bnot(-1) == 0)
 assert(bit32.band(1, 3, 5) == 1)
 assert(bit32.bor(1, 3, 5) == 7)