From a0bb180c36219f617f01d42b4a49c5f38b839582 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Tue, 14 Jan 2020 23:39:47 +0100
Subject: 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.
---
 spec/util_array_spec.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/spec/util_array_spec.lua b/spec/util_array_spec.lua
index 04d0cc28..1d9da947 100644
--- a/spec/util_array_spec.lua
+++ b/spec/util_array_spec.lua
@@ -43,6 +43,7 @@ describe("util.array", function ()
 					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);
 
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