# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1579041587 -3600
# Node ID 257dc26e8e658ee7b64c2337b1dcf443f1d9df6a
# Parent  3540118699cf6edd120d990381925ac40b595191
util.array: Add a test case for a behavior change in Lua 5.3

In Lua 5.1 and 5.2 the __eq metamethod is not invoked if the other
argument is of a different metatable, but in Lua 5.3 it is.

diff -r 3540118699cf -r 257dc26e8e65 spec/util_array_spec.lua
--- a/spec/util_array_spec.lua	Sun Jan 12 20:36:21 2020 +0100
+++ b/spec/util_array_spec.lua	Tue Jan 14 23:39:47 2020 +0100
@@ -43,6 +43,7 @@
 					local b = array({ "c", "d" });
 					assert.truthy(a1 == a2);
 					assert.falsy(a1 == b);
+					assert.falsy(a1 == { "a", "b" }, "Behavior of metatables changed in Lua 5.3");
 				end);
 			end);