2 files changed, 16 insertions, 1 deletions

diff --git a/tests/agentzh.t b/tests/agentzh.t
index e65288f..0b546ff 100644
--- a/tests/agentzh.t
+++ b/tests/agentzh.t
@@ -50,3 +50,18 @@ print(cjson.encode(b))
 --- out
 ["a=1&b=2"]
 
+
+
+=== TEST 5: default and max precision
+--- lua
+local math = require "math"
+local cjson = require "cjson"
+local double = math.pow(2, 53)
+print(cjson.encode(double))
+cjson.encode_number_precision(16)
+print(cjson.encode(double))
+print(string.format("%16.0f", cjson.decode("9007199254740992")))
+--- out
+9.007199254741e+15
+9007199254740992
+9007199254740992
diff --git a/tests/test.lua b/tests/test.lua
index b8fce84..c96dd3d 100755
--- a/tests/test.lua
+++ b/tests/test.lua
@@ -361,7 +361,7 @@ local cjson_tests = {
     -- Function is listed as '?' due to pcall
     { "Set encode_number_precision(0) [throw error]",
       json.encode_number_precision, { 0 },
-      false, { "bad argument #1 to '?' (expected integer between 1 and 14)" } },
+      false, { "bad argument #1 to '?' (expected integer between 1 and 16)" } },
     { "Set encode_number_precision(\"five\") [throw error]",
       json.encode_number_precision, { "five" },
       false, { "bad argument #1 to '?' (number expected, got string)" } },