From ec1c5ac00ff0f6175150f34da7d993f9b29a749f Mon Sep 17 00:00:00 2001
From: Roshan Kumar Sah <roshankumar350@gmail.com>
Date: Tue, 13 Feb 2024 01:08:31 +0530
Subject: [PATCH] Added Uniqueness test for UUID

---
 .../FoundationEssentialsTests/UUIDTests.swift | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Tests/FoundationEssentialsTests/UUIDTests.swift b/Tests/FoundationEssentialsTests/UUIDTests.swift
index 8c4063d84..35d464f63 100644
--- a/Tests/FoundationEssentialsTests/UUIDTests.swift
+++ b/Tests/FoundationEssentialsTests/UUIDTests.swift
@@ -116,4 +116,24 @@ final class UUIDTests : XCTestCase {
         XCTAssertFalse(uuid2 > uuid1)
         XCTAssertTrue(uuid2 == uuid1)
     }
+    
+    func test_UUIDUniqueness() {
+        let uuidsAtTimeRangeT0 = (0...9999).reduce(into: [UUID: UUID]()) { result, _ in
+            let uuid = UUID()
+            return result[uuid] = uuid
+        }
+        
+        let uuidsAtTimeRangeT1 = (0...9999).reduce(into: [UUID: UUID]()) { result, _ in
+            let uuid = UUID()
+            return result[uuid] = uuid
+        }
+        
+        uuidsAtTimeRangeT1.values.forEach { uuid in
+            if uuid == uuidsAtTimeRangeT0[uuid] {
+                XCTFail("Uniqueness failed")
+            } else {
+                XCTAssertTrue(true, "Uniqueness passed")
+            }
+        }
+    }
 }