From 1ad20d060a8fcaff87cd88841c8439963cb8c552 Mon Sep 17 00:00:00 2001
From: gordinskiy <dmitriy.gordinskiy94@gmail.com>
Date: Sat, 23 Sep 2023 19:32:53 +0200
Subject: [PATCH] Add support for enums in error message

---
 src/Assert.php       |  4 ++++
 tests/AssertTest.php | 23 +++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/src/Assert.php b/src/Assert.php
index b962e3e..f02b8c9 100644
--- a/src/Assert.php
+++ b/src/Assert.php
@@ -2087,6 +2087,10 @@ protected static function valueToString($value)
                 return \get_class($value).': '.self::valueToString($value->format('c'));
             }
 
+            if (\function_exists('enum_exists') && \enum_exists(\get_class($value))) {
+                return \get_class($value).'::'.$value->name;
+            }
+
             return \get_class($value);
         }
 
diff --git a/tests/AssertTest.php b/tests/AssertTest.php
index ef9b6be..70639f1 100644
--- a/tests/AssertTest.php
+++ b/tests/AssertTest.php
@@ -833,6 +833,20 @@ public function testResourceOfTypeCustomMessage(): void
 
         Assert::resource(null, 'curl', 'I want a resource of type %2$s. Got: %s');
     }
+
+    public function testEnumAssertionErrorMessage(): void
+    {
+        if (version_compare(PHP_VERSION, ENUM_INTRODUCTION_VERSION, '<')) {
+            $this->expectNotToPerformAssertions();
+
+            return;
+        }
+
+        $this->expectException('\InvalidArgumentException');
+        $this->expectExceptionMessage('Expected null. Got: Webmozart\Assert\Tests\TestEnum::CaseName');
+
+        Assert::null(TestEnum::CaseName, 'Expected null. Got: %s');
+    }
 }
 
 /**
@@ -855,3 +869,12 @@ public function __toString()
         return $this->value;
     }
 }
+
+const ENUM_INTRODUCTION_VERSION = '8.1.0';
+
+if (version_compare(PHP_VERSION, ENUM_INTRODUCTION_VERSION, '>=')) {
+    enum TestEnum
+    {
+        case CaseName;
+    }
+}