From 3e7dd4bf234772285f698eade7179846a7565bee Mon Sep 17 00:00:00 2001
From: Alessandro Lai <alessandro.lai85@gmail.com>
Date: Wed, 24 Jan 2024 18:16:38 +0100
Subject: [PATCH 1/2] Add regression test for #568

---
 .../Generator/ClassCodeGeneratorSpec.php      | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php b/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php
index 50fb1704c..dad9423b1 100644
--- a/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php
+++ b/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php
@@ -422,6 +422,46 @@ function it_generates_read_only_class_if_parent_class_is_read_only(ClassNode $cl
 readonly class CustomClass extends \ReadOnlyClass implements \Prophecy\Doubler\Generator\MirroredInterface {
 
 
+}
+}
+PHP;
+        $expected = strtr($expected, array("\r\n" => "\n", "\r" => "\n"));
+        $code->shouldBe($expected);
+    }
+
+    function it_generates_correct_code_if_argument_default_value_is_an_object(
+        ClassNode $class,
+        MethodNode $method,
+        ArgumentNode $argument
+    ) {
+        $class->getParentClass()->willReturn('ClassWithArgument');
+        $class->getInterfaces()->willReturn(array('Prophecy\Doubler\Generator\MirroredInterface'));
+        $class->getProperties()->willReturn(array());
+        $class->getMethods()->willReturn(array($method));
+        $class->isReadOnly()->willReturn(false);
+
+        $method->getName()->willReturn('foo');
+        $method->getVisibility()->willReturn('public');
+        $method->isStatic()->willReturn(false);
+        $method->getArguments()->willReturn([$argument]);
+        $method->getReturnTypeNode()->willReturn(new ReturnTypeNode());
+        $method->returnsReference()->willReturn(false);
+        $method->getCode()->willReturn('');
+
+        $argument->getTypeNode()->willReturn(new ArgumentTypeNode(\DateTimeInterface::class));
+        $argument->getName()->willReturn('arg');
+        $argument->isPassedByReference()->willReturn(false);
+        $argument->isVariadic()->willReturn(false);
+        $argument->isOptional()->willReturn(true);
+        $argument->getDefault()->willReturn(new \DateTime());
+
+        $code = $this->generate('CustomClass', $class);
+        $expected =<<<'PHP'
+namespace  {
+class CustomClass extends \ClassWithArgument implements \Prophecy\Doubler\Generator\MirroredInterface {
+public function foo(\DateTimeInterface $arg = NULL) {
+
+}
 }
 }
 PHP;

From 7d6edbe71db7d50cc473b4f2a13d059a6593a711 Mon Sep 17 00:00:00 2001
From: Alessandro Lai <alessandro.lai85@gmail.com>
Date: Wed, 24 Jan 2024 18:19:52 +0100
Subject: [PATCH 2/2] Fallback to null when argument default value is an object

---
 spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php | 4 +++-
 src/Prophecy/Doubler/Generator/ClassCodeGenerator.php      | 7 ++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php b/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php
index dad9423b1..46c68cfde 100644
--- a/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php
+++ b/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php
@@ -459,9 +459,11 @@ function it_generates_correct_code_if_argument_default_value_is_an_object(
         $expected =<<<'PHP'
 namespace  {
 class CustomClass extends \ClassWithArgument implements \Prophecy\Doubler\Generator\MirroredInterface {
-public function foo(\DateTimeInterface $arg = NULL) {
+
+public  function foo(\DateTimeInterface $arg = NULL) {
 
 }
+
 }
 }
 PHP;
diff --git a/src/Prophecy/Doubler/Generator/ClassCodeGenerator.php b/src/Prophecy/Doubler/Generator/ClassCodeGenerator.php
index 2d30a3f2e..489117b5f 100644
--- a/src/Prophecy/Doubler/Generator/ClassCodeGenerator.php
+++ b/src/Prophecy/Doubler/Generator/ClassCodeGenerator.php
@@ -110,7 +110,12 @@ private function generateArguments(array $arguments): array
             $php .= '$'.$argument->getName();
 
             if ($argument->isOptional() && !$argument->isVariadic()) {
-                $php .= ' = '.var_export($argument->getDefault(), true);
+                $default = $argument->getDefault();
+                if (is_object($argument->getDefault())) {
+                    $default = null;
+                }
+
+                $php .= ' = '.var_export($default, true);
             }
 
             return $php;