From 7c428ff105d8b0b0b72c99b023f2943a7c217947 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Borys=20=C5=BBmuda?= <rudashi@gmail.com>
Date: Fri, 27 Sep 2024 08:04:10 +0200
Subject: [PATCH] test: `Set::keys()` and `Set::values()` returns the same
 value

---
 tests/Unit/SetTest.php | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tests/Unit/SetTest.php b/tests/Unit/SetTest.php
index d85ac54..d0b86a5 100644
--- a/tests/Unit/SetTest.php
+++ b/tests/Unit/SetTest.php
@@ -387,6 +387,14 @@
             ->current()?->toBe('foo')
             ->next()?->toBe('bar');
     });
+
+    test('keys are equivalent to values()', function () {
+        $set = new Set(['foo' => 'bar']);
+
+        expect($set->keys())
+            ->toBeInstanceOf(SetIterator::class)
+            ->toArray()->toBe($set->values()->toArray());
+    });
 });
 
 describe('values', function () {
@@ -411,6 +419,14 @@
             ->current()?->toBe('bar')
             ->next()?->toBe('boo');
     });
+
+    test('is equivalent to keys() method', function () {
+        $set = new Set(['foo', 'bar']);
+
+        expect($set->values())
+            ->toBeInstanceOf(SetIterator::class)
+            ->toArray()->toBe($set->keys()->toArray());
+    });
 });
 
 describe('magic methods', function () {