qa: add test for inherited conditional templated return types

Signed-off-by: Maximilian Bösing <[email protected]>
vimeo · Sep 10, 2023 · 3dc0051 · 3dc0051
1 parent f782767
commit 3dc0051
Showing 1 changed file with 66 additions and 0 deletions.
diff --git a/tests/Template/ConditionalReturnTypeTest.php b/tests/Template/ConditionalReturnTypeTest.php
@@ -885,6 +885,72 @@ function getSomethingElse()
                 'ignored_issues' => [],
                 'php_version' => '7.2',
             ],
+            'ineritedConditionalTemplatedReturnType' => [
+                'code' => '<?php
+                    /** @template InstanceType */
+                    interface ContainerInterface
+                    {
+                        /**
+                         * @template TRequestedInstance extends InstanceType
+                         * @param class-string<TRequestedInstance>|string $name
+                         * @return ($name is class-string ? TRequestedInstance : InstanceType)
+                         */
+                        public function build(string $name): mixed;
+                    }
+
+                    /**
+                     * @template InstanceType
+                     * @template-implements ContainerInterface<InstanceType>
+                     */
+                    abstract class MixedContainer implements ContainerInterface
+                    {
+                        /** @param InstanceType $instance */
+                        public function __construct(private readonly mixed $instance)
+                        {}
+
+                        public function build(string $name): mixed
+                        {
+                            return $this->instance;
+                        }
+                    }
+
+                    /**
+                     * @template InstanceType of object
+                     * @template-extends MixedContainer<InstanceType>
+                     */
+                    abstract class ObjectContainer extends MixedContainer
+                    {
+                        public function build(string $name): object
+                        {
+                            return parent::build($name);
+                        }
+                    }
+
+                    /** @template-extends ObjectContainer<stdClass> */
+                    final class SpecificObjectContainer extends ObjectContainer
+                    {
+                    }
+
+                    final class SpecificObject extends stdClass {}
+
+                    $container = new SpecificObjectContainer(new stdClass());
+                    $object = $container->build(SpecificObject::class);
+                    $nonSpecificObject = $container->build("whatever");
+
+                    /** @var ObjectContainer<object> $container */
+                    $container = null;
+                    $justObject = $container->build("whatever");
+                    $specificObject = $container->build(stdClass::class);
+                ',
+                'assertions' => [
+                    '$object' => 'SpecificObject',
+                    '$nonSpecificObject' => 'stdClass',
+                    '$justObject' => 'object',
+                    '$specificObject' => 'stdClass',
+                ],
+                'ignored_issues' => [],
+                'php_version' => '8.1',
+            ],
         ];
     }
 }