fix: pair and chunk operation when using empty input (#327)

Fix #326
loophp · Dec 1, 2023 · 58fd5da · 58fd5da
1 parent bafda9e
commit 58fd5da
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/src/Operation/Chunk.php b/src/Operation/Chunk.php
@@ -59,7 +59,9 @@ static function (iterable $iterable) use ($sizes): Generator {
                         $values = [$value];
                     }
 
-                    yield $values;
+                    if ([] !== $values) {
+                        yield $values;
+                    }
                 };
     }
 }
diff --git a/tests/unit/Traits/GenericCollectionProviders.php b/tests/unit/Traits/GenericCollectionProviders.php
@@ -3220,6 +3220,13 @@ public static function pairOperationProvider()
             $input,
             $output(),
         ];
+
+        yield [
+            $operation,
+            [],
+            [],
+            [],
+        ];
     }
 
     public static function permutateOperationProvider()
-Original file line number
+Diff line change
@@ Expand Up / @@ -3220,6 +3220,13 @@ public static function pairOperationProvider() @@
                 $input,
                 $output(),
             ];
+            yield [
+                $operation,
+                [],
+                [],
+                [],
+            ];
         }
         public static function permutateOperationProvider()
@@ Expand Down @@