CallToFunctionStamentWithoutSideEffectsRule - do not report PHPStan t…

…esting functions

src/Rules/Functions/CallToFunctionStamentWithoutSideEffectsRule.php

@@ -55,6 +55,14 @@ public function processNode(Node $node, Scope $scope): array
 				return [];
 			}
 
+			if (in_array($function->getName(), [
+				'PHPStan\\Testing\\assertType',
+				'PHPStan\\Testing\\assertNativeType',
+				'PHPStan\\Testing\\assertVariableCertainty',
+			], true)) {
+				return [];
+			}
+
 			return [
 				RuleErrorBuilder::message(sprintf(
 					'Call to function %s() on a separate line has no effect.',

tests/PHPStan/Rules/Functions/CallToFunctionStamentWithoutSideEffectsRuleTest.php

@@ -21,7 +21,7 @@ public function testRule(): void
 		$this->analyse([__DIR__ . '/data/function-call-statement-no-side-effects.php'], [
 			[
 				'Call to function sprintf() on a separate line has no effect.',
-				11,
+				13,
 			],
 		]);
 	}

tests/PHPStan/Rules/Functions/data/function-call-statement-no-side-effects.php

@@ -2,6 +2,8 @@
 
 namespace FunctionCallStatementNoSideEffects;
 
+use PHPStan\TrinaryLogic;
+
 class Foo
 {
 
@@ -11,4 +13,11 @@ public function doFoo()
 		sprintf('%s', 'test');
 	}
 
+	public function doBar(string $s)
+	{
+		\PHPStan\Testing\assertType('string', $s);
+		\PHPStan\Testing\assertNativeType('string', $s);
+		\PHPStan\Testing\assertVariableCertainty(TrinaryLogic::createYes(), $s);
+	}
+
 }