# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1579119246 -3600
# Node ID d78c5c9b0cf6ed3871f5bc445484f9c1f7131c31
# Parent  257dc26e8e658ee7b64c2337b1dcf443f1d9df6a
util.json: Test util.array integration

This is to expose how [] == json.null due to a change in Lua 5.3 with
how the equality metamethod is chosen.

diff -r 257dc26e8e65 -r d78c5c9b0cf6 spec/util_json_spec.lua
--- a/spec/util_json_spec.lua	Tue Jan 14 23:39:47 2020 +0100
+++ b/spec/util_json_spec.lua	Wed Jan 15 21:14:06 2020 +0100
@@ -1,5 +1,6 @@
 
 local json = require "util.json";
+local array = require "util.array";
 
 describe("util.json", function()
 	describe("#encode()", function()
@@ -67,4 +68,13 @@
 			end
 		end);
 	end)
+
+	describe("util.array integration", function ()
+		it("works", function ()
+			assert.equal("[]", json.encode(array()));
+			assert.equal("[1,2,3]", json.encode(array({1,2,3})));
+			assert.equal(getmetatable(array()), getmetatable(json.decode("[]")));
+		end);
+	end);
+
 end);