fix: Fix RandomIterator::rewind().

Signed-off-by: Pol Dellaiera <[email protected]>

spec/loophp/collection/Iterator/RandomIteratorSpec.php

@@ -15,14 +15,46 @@ public function it_can_get_the_innerIterator()
         $this->getInnerIterator()->shouldBeAnInstanceOf(ArrayIterator::class);
     }
 
+    public function it_can_rewind()
+    {
+        $iterator = new ArrayIterator(['a']);
+
+        $this->beConstructedWith($iterator);
+
+        $this
+            ->valid()
+            ->shouldReturn(true);
+
+        $this
+            ->current()
+            ->shouldReturn('a');
+
+        $this->next();
+
+        $this
+            ->valid()
+            ->shouldReturn(false);
+
+        $this
+            ->rewind();
+
+        $this
+            ->valid()
+            ->shouldReturn(true);
+
+        $this
+            ->current()
+            ->shouldReturn('a');
+    }
+
     public function it_is_initializable()
     {
         $this->shouldHaveType(RandomIterator::class);
     }
 
     public function let()
     {
-        $iterator = new ArrayIterator(range(0, 4));
+        $iterator = new ArrayIterator(range('a', 'c'));
 
         $this->beConstructedWith($iterator);
     }

src/Iterator/RandomIterator.php

@@ -80,6 +80,7 @@ public function next(): void
 
     public function rewind()
     {
+        $this->indexes = array_keys($this->iterator->getArrayCopy());
         $this->iterator->rewind();
     }