test constant array return from delegated method

Author: staabm

tests/Rules/PHPUnit/DataProviderDataRuleTest.php

@@ -110,6 +110,14 @@ public function testRule(): void
 				'Parameter $input of method DataProviderDataTest\NamedArgsInProvider::testFoo() expects string, false given.',
 				255,
 			],
+			[
+				'Parameter #2 $input of method DataProviderDataTest\YieldFromExpr::testFoo() expects string, int given.',
+				275,
+			],
+			[
+				'Parameter #2 $input of method DataProviderDataTest\YieldFromExpr::testFoo() expects string, true given.',
+				277,
+			],
 		]);
 	}
 

tests/Rules/PHPUnit/data/data-provider-data.php

@@ -255,3 +255,41 @@ public function aProvider(): array
 		return $arr;
 	}
 }
+
+
+class YieldFromExpr extends TestCase
+{
+
+	/** @dataProvider aProvider */
+	public function testFoo(string $expectedResult, string $input): void
+	{
+	}
+
+	public function aProvider(): iterable
+	{
+		yield [
+			'Hello World',
+			" Hello World \n",
+		];
+
+		yield from $this->moreData();
+
+		yield [
+			'Hello World',
+			true,
+		];
+	}
+
+	/**
+	 * @return array{array{'Hello World', 123}}
+	 */
+	private function moreData(): array
+	{
+		return [
+			[
+				'Hello World',
+				123,
+			]
+		];
+	}
+}