From 4feb8c8da30d7453de45ed72b3395d2ed5e80e0c Mon Sep 17 00:00:00 2001
From: Zayer <86352017+ZayerRBLX@users.noreply.github.com>
Date: Sat, 3 Feb 2024 14:10:51 +0100
Subject: [PATCH] Add test units for the isSimilar function (#285) (#311)

---
 test/Utility/isSimilar.spec.lua | 35 +++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 test/Utility/isSimilar.spec.lua

diff --git a/test/Utility/isSimilar.spec.lua b/test/Utility/isSimilar.spec.lua
new file mode 100644
index 000000000..5d071140b
--- /dev/null
+++ b/test/Utility/isSimilar.spec.lua
@@ -0,0 +1,35 @@
+local Package = game:GetService("ReplicatedStorage").Fusion
+local isSimilar = require(Package.Utility.isSimilar)
+
+return function()
+    it("should return similar for identical values", function()
+        local value = 123
+
+        expect(isSimilar(value, value)).to.equal(true)
+    end)
+
+    it("should return non-similar for different values", function()
+        local value1 = 123
+        local value2 = 321
+
+        expect(isSimilar(value1, value2)).to.equal(false)
+    end)
+
+    it("should return similar for any NaN values", function()
+        local nan1 = 0 / 0
+        local nan2 = math.huge / math.huge
+
+        expect(isSimilar(nan1, nan1)).to.equal(true)
+        expect(isSimilar(nan1, nan2)).to.equal(true)
+    end)
+
+    it("should return non-similar for any tables", function()
+        local initialTable = { foo = 123, bar = "hello" }
+        local similarTable = { foo = 123, bar = "hello" }
+        local differentTable = { foo = 321, bar = "world" }
+
+        expect(isSimilar(initialTable, initialTable)).to.equal(false)
+        expect(isSimilar(initialTable, similarTable)).to.equal(false)
+        expect(isSimilar(initialTable, differentTable)).to.equal(false)
+    end)
+end
\ No newline at end of file