BetterReflectionTest\TypesFinder\FindReturnTypeTest::testFindReturnTypeForFunction PHP Метод

    public function testFindReturnTypeForFunction($docBlock, $expectedInstances)
    {
        $docBlock = "/**\n * {$docBlock}\n */";
        $function = $this->createMock(ReflectionFunction::class);
        $function->expects($this->once())->method('getDocComment')->will($this->returnValue($docBlock));
        $function->expects($this->once())->method('getLocatedSource')->will($this->returnValue(new LocatedSource('<?php', null)));
        /* @var ReflectionFunction $function */
        $foundTypes = (new FindReturnType())->__invoke($function);
        $this->assertCount(count($expectedInstances), $foundTypes);
        foreach ($expectedInstances as $i => $expectedInstance) {
            $this->assertInstanceOf($expectedInstance, $foundTypes[$i]);
        }
    }