test: Cover the new escaped mutations (#347)

Author: theofidry

infection.json5

@@ -75,6 +75,12 @@
             "ignoreSourceCodeByRegex": [
                 ".*ResettableContainerInterface.*"
             ]
+        },
+        "TrueValue": {
+            "ignoreSourceCodeByRegex": [
+                // This flag is for performance optimisation.
+                ".*sourceExhausted = true.*",
+            ]
         }
     }
 }

tests/ChunkedItemsIteratorTest.php

@@ -172,6 +172,17 @@ public static function valuesProvider(): iterable
             ],
         ];
 
+        yield 'items with keys' => [
+            ['key0' => 'item0', 'key1' => 'item1', 'key3' => 'item3', 'key4' => 'item4'],
+            2,
+            ['item0', 'item1', 'item3', 'item4'],
+            4,
+            [
+                ['item0', 'item1'],
+                ['item3', 'item4'],
+            ],
+        ];
+
         yield 'less items than batch size' => [
             ['item0', 'item1', 'item3'],
             4,

tests/LazyRewindableIteratorTest.php

@@ -181,4 +181,17 @@ public function test_it_loads_values_lazily_and_do_not_loads_them_multiple_times
         self::assertSame(1, $breakpoint2);
         self::assertSame(1, $breakpoint3);
     }
+
+    public function test_iterator_api_can_be_directly_consumed(): void
+    {
+        $input = (static function () {
+            yield 'first';
+            yield 'second';
+            yield 'third';
+        })();
+
+        $iterator = LazyRewindableIterator::create($input);
+
+        self::assertSame('first', $iterator->current());
+    }
 }