Fixing case when property not typed and documented as an array of custom values

Author: emulgeator

.gitignore

@@ -5,6 +5,7 @@
 /.env
 /auth.json
 /nbproject/*
+/.phpunit.result.cache
 vendor
 composer.phar
 .DS_Store

.phpunit.result.cache

@@ -79,6 +79,8 @@ public function map(array $input, string $className)
                                 settype($value, $docBlockType->getName());
                                 $property->setValue($object, $value);
                             }
+                        } elseif (!$docBlockType->isSingle()) {
+                            $property->setValue($object, $this->castArray($value, $docBlockType));
                         } else {
                             $this->setCustomValue($object, $property, $docBlockType->getName(), $value);
                         }

src/Mapper.php

@@ -117,6 +117,23 @@ public function testMapWhenArrayTypedPropertyGivenWithCustomDockBlockType_should
         $this->assertSame(2, $mappedArray[1]->getInt());
     }
 
+    public function testMapWhenArrayTypedPropertyGivenWithCustomDockBlockTypeWithNullValue_shouldSetToEmptyArray()
+    {
+        $mapper = $this->getMapper();
+
+        $this->expectTypeRetrievedFromDocBlock(
+            '/** @var \Emul\ArrayToClassMapper\Test\Unit\Stub\ScalarTypedStub[] */',
+            new DocBlockType('\Emul\ArrayToClassMapper\Test\Unit\Stub\ScalarTypedStub', false, false, false)
+        );
+
+        $input = [];
+
+        /** @var ClassDocBlockTypedArrayStub $result */
+        $result = $mapper->map($input, ClassDocBlockTypedArrayStub::class);
+
+        $this->assertSame([], $result->getObjectArray());
+    }
+
     public function testMapWhenClassTypedPropertyGivenWithNullValue_shouldSetToNull()
     {
         $mapper = $this->getMapper();

test/Unit/MapperTest.php

@@ -6,7 +6,7 @@
 class ClassDocBlockTypedArrayStub
 {
     /** @var \Emul\ArrayToClassMapper\Test\Unit\Stub\ScalarTypedStub[] */
-    private array $objectArray;
+    private $objectArray = [];
 
     public function getObjectArray(): array
     {