added test

Co-Authored-By: Michal Špaček <[email protected]>
Co-Authored-By: Ruud Kamphuis <[email protected]>

Author: 3 people

Diff for: tests/PHPStan/Analyser/InstanceMethodsParameterScopeTest.php

@@ -0,0 +1,58 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Analyser;
+
+use PhpParser\Node;
+use PhpParser\Node\Name\FullyQualified;
+use PHPStan\Analyser\Scope;
+use PHPStan\Rules\Rule;
+use PHPStan\Rules\RuleError;
+use PHPStan\Rules\RuleErrorBuilder;
+use PHPStan\Testing\RuleTestCase;
+
+class InstanceMethodsParameterScopeTest extends RuleTestCase
+{
+
+	protected function getRule(): Rule
+	{
+		return new class implements Rule
+		{
+			public function getNodeType(): string
+			{
+				return FullyQualified::class;
+			}
+
+			/**
+			 * @param FullyQualified $node
+			 * @param Scope $scope
+			 * @return list<RuleError>
+			 */
+			public function processNode(Node $node, Scope $scope): array
+			{
+				return [
+					RuleErrorBuilder::message(sprintf('Name %s found in method %s', $node->toString(), $scope->getFunction()?->getName() ?? 'null'))->build(),
+				];
+			}
+		};
+	}
+
+	protected function shouldNarrowMethodScopeFromConstructor(): bool
+	{
+		return true;
+	}
+
+	public function testRule(): void
+	{
+		$this->analyse([__DIR__ . '/data/instance-methods-parameter-scope.php'], [
+			[
+				'Name DateTime found in method null',
+				12,
+			],
+			[
+				'Name Baz\Waldo found in method null',
+				16,
+			],
+		]);
+	}
+
+}

Diff for: tests/PHPStan/Analyser/data/instance-methods-parameter-scope.php

@@ -0,0 +1,19 @@
+<?php
+declare(strict_types = 1);
+
+namespace InstanceMethodsParameterScopeTest;
+
+class HelloWorld
+{
+	public function __construct()
+	{
+	}
+
+	public function foo(\DateTime $d): void
+	{
+	}
+
+	public function bar(\Baz\Waldo $d): void
+	{
+	}
+}