Actually run on Phpunit 12

composer.json

@@ -29,7 +29,7 @@
         "friendsofphp/php-cs-fixer": "^3.40",
         "phpspec/phpspec": "^6.0 || ^7.0",
         "phpstan/phpstan": "^2.1.13",
-        "phpunit/phpunit": "^8.0 || ^9.0 || ^10.0"
+        "phpunit/phpunit": "^8.0 || ^9.0 || ^10.0 || ^11.0 || ^12.0"
     },
 
     "autoload": {

phpstan-baseline.neon

@@ -59,9 +59,3 @@ parameters:
 			identifier: argument.type
 			count: 1
 			path: src/Prophecy/Prophecy/MethodProphecy.php
-
-		-
-			message: '#^Cannot access offset mixed on mixed\.$#'
-			identifier: offsetAccess.nonOffsetAccessible
-			count: 1
-			path: src/Prophecy/Util/ExportUtil.php

src/Prophecy/Util/ExportUtil.php

@@ -147,7 +147,6 @@ protected static function recursiveExport(&$value, $indentation, $processed = nu
                 return 'Array &'.$key;
             }
 
-            \assert(\is_array($value));
             $array  = $value;
             $key    = $processed->add($value);
             $values = '';
@@ -172,11 +171,9 @@ protected static function recursiveExport(&$value, $indentation, $processed = nu
             $class = get_class($value);
 
             if ($processed->contains($value)) {
-                \assert(\is_object($value));
                 return sprintf('%s#%d Object', $class, spl_object_id($value));
             }
 
-            \assert(\is_object($value));
             $processed->add($value);
             $values = '';
             $array  = self::toArray($value);
@@ -193,7 +190,6 @@ protected static function recursiveExport(&$value, $indentation, $processed = nu
 
                 $values = "\n".$values.$whitespace;
             }
-            \assert(\is_object($value));
 
             return sprintf('%s#%d Object (%s)', $class, spl_object_id($value), $values);
         }

tests/Argument/Token/ExactValueTokenTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Prophecy\Argument\Token;
 
+use PHPUnit\Framework\Attributes\Test;
 use PHPUnit\Framework\TestCase;
 use Prophecy\Argument\Token\ExactValueToken;
 
@@ -12,6 +13,7 @@ class ExactValueTokenTest extends TestCase
      * @see https://github.com/phpspec/prophecy/issues/268
      * @see https://stackoverflow.com/a/19097159/2424814
      */
+    #[Test]
     public function does_not_trigger_nesting_error()
     {
         $child1 = new ChildClass('A', new ParentClass());
@@ -24,6 +26,7 @@ public function does_not_trigger_nesting_error()
     /**
      * @test
      */
+    #[Test]
     public function scores_10_for_objects_with_same_fields()
     {
         $child1 = new ChildClass('A', new ParentClass());
@@ -36,6 +39,7 @@ public function scores_10_for_objects_with_same_fields()
     /**
      * @test
      */
+    #[Test]
     public function scores_10_for_matching_callables()
     {
         $callable = function () {};
@@ -47,6 +51,7 @@ public function scores_10_for_matching_callables()
     /**
      * @test
      */
+    #[Test]
     public function scores_false_for_object_and_string()
     {
         $child1 = new ChildClass('A', new ParentClass());
@@ -58,6 +63,7 @@ public function scores_false_for_object_and_string()
     /**
      * @test
      */
+    #[Test]
     public function scores_false_for_object_and_int()
     {
         $child1 = new ChildClass('A', new ParentClass());
@@ -69,6 +75,7 @@ public function scores_false_for_object_and_int()
     /**
      * @test
      */
+    #[Test]
     public function scores_false_for_object_and_stdclass()
     {
         $child1 = new ChildClass('A', new ParentClass());
@@ -80,6 +87,7 @@ public function scores_false_for_object_and_stdclass()
     /**
      * @test
      */
+    #[Test]
     public function scores_false_for_object_and_null()
     {
         $child1 = new ChildClass('A', new ParentClass());

tests/Comparator/FactoryProviderTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Prophecy\Comparator;
 
+use PHPUnit\Framework\Attributes\Test;
 use Prophecy\Comparator\ClosureComparator;
 use Prophecy\Comparator\FactoryProvider;
 use PHPUnit\Framework\TestCase;
@@ -11,6 +12,7 @@ class FactoryProviderTest extends TestCase
     /**
      * @test
      */
+    #[Test]
     function it_should_have_ClosureComparator_registered()
     {
         $comparator = FactoryProvider::getInstance()->getComparatorFor(function () {}, function () {});

tests/Doubler/ClassPatch/MagicCallPatchTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Prophecy\Doubler\ClassPatch;
 
+use PHPUnit\Framework\Attributes\Test;
 use PHPUnit\Framework\TestCase;
 use Prophecy\Doubler\ClassPatch\MagicCallPatch;
 use Prophecy\Doubler\Generator\ClassMirror;
@@ -13,6 +14,7 @@ class MagicCallPatchTest extends TestCase
     /**
      * @test
      */
+    #[Test]
     public function it_supports_classes_with_invalid_tags()
     {
         $class = new \ReflectionClass('Fixtures\Prophecy\WithPhpdocClass');
@@ -32,6 +34,7 @@ public function it_supports_classes_with_invalid_tags()
     /**
      * @test
      */
+    #[Test]
     public function it_supports_arguments_for_magic_methods()
     {
         $class = new \ReflectionClass('Fixtures\Prophecy\WithPhpdocClass');