Improve test coverage for shallowEqual

lib/shallowEqual.spec.lua

@@ -0,0 +1,45 @@
+return function()
+	local shallowEqual = require(script.Parent.shallowEqual)
+
+	it("should compare dictionaries", function()
+		local a = {
+			a = "a",
+			b = {},
+			c = 6,
+		}
+
+		local b = {
+			b = a.b,
+			c = a.c,
+			a = a.a,
+		}
+
+		local c = {
+			b = {},
+			a = a.a,
+			c = a.c,
+		}
+
+		local d = {
+			a = a.a,
+			b = a.b,
+			c = a.c,
+			d = "hello",
+		}
+
+		expect(shallowEqual(a, a)).to.equal(true)
+		expect(shallowEqual(a, b)).to.equal(true)
+		expect(shallowEqual(a, c)).to.equal(false)
+		expect(shallowEqual(b, c)).to.equal(false)
+		expect(shallowEqual(a, d)).to.equal(false)
+		expect(shallowEqual(b, d)).to.equal(false)
+	end)
+
+	it("should handle nil for either argument", function()
+		local a = {}
+
+		expect(shallowEqual(nil, nil)).to.equal(true)
+		expect(shallowEqual(a, nil)).to.equal(false)
+		expect(shallowEqual(nil, a)).to.equal(false)
+	end)
+end