Add a failing test case for not passing in 3rd param

phpstan · Jun 12, 2021 · af19c52 · af19c52
1 parent 3b132ff
commit af19c52
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Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php b/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php
@@ -560,6 +560,10 @@ public function testArrayFunctionCallbackIsValidated(): void
 				'Parameter #2 $callback of function array_reduce expects callable(string, int|string): string, Closure(string, string): string given.',
 				5,
 			],
+			[
+				'Parameter #2 $callback of function array_reduce expects callable(string|null, int): string, Closure(string, int): string given.',
+				11
+			]
 		]);
 
 		$this->analyse([__DIR__ . '/data/array_map.php'], [

diff --git a/tests/PHPStan/Rules/Functions/data/array_reduce.php b/tests/PHPStan/Rules/Functions/data/array_reduce.php
@@ -5,3 +5,8 @@
 	fn(string $foo, string $current): string => $foo . $current,
 	''
 );
+
+array_reduce(
+	[1,2,3],
+	fn(string $foo, int $current): string => $foo . $current
+);