Allow enum cases to reference constants

Fixes #8242
vimeo · Nov 10, 2022 · 290b65f · 290b65f
1 parent 410c7bb
commit 290b65f
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php b/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php
@@ -1371,7 +1371,7 @@ private function visitEnumDeclaration(
                 $stmt->expr,
                 $this->aliases,
                 $this->file_scanner,
-                null, // enum case value expressions cannot reference constants
+                $storage->constants, // enum case value expressions cannot reference constants
                 $fq_classlike_name
             );
 

diff --git a/tests/EnumTest.php b/tests/EnumTest.php
@@ -440,6 +440,22 @@ function foo(): Code|null
                 'ignored_issues' => [],
                 'php_version' => '8.1',
             ],
+            'constantAsACaseValueOfABackedEnum' => [
+                'code' => '<?php
+                    enum Test: string
+                    {
+                        public const ENUM_VALUE = "forty two";
+
+                        case TheAnswer = self::ENUM_VALUE;
+                    }
+                    $a = Test::TheAnswer->value;
+                ',
+                'assertions' => [
+                    '$a===' => "'forty two'",
+                ],
+                'ignored_issues' => [],
+                'php_version' => '8.1',
+            ],
         ];
     }