Kraken\_Unit\Promise\_Partial\ApiCancelPartial::testApiCancel_ForwardsReason_WithoutChange_WhenOnCancelThrows PHP Method

    public function testApiCancel_ForwardsReason_WithoutChange_WhenOnCancelThrows()
    {
        $deferred = $this->createDeferred();
        $test = $this->getTest();
        $mock1 = $test->createCallableMock();
        $mock1->expects($test->once())->method('__invoke')->will($test->throwException(new Exception('onCancel has thrown exception.')));
        $mock2 = $test->createCallableMock();
        $mock2->expects($test->once())->method('__invoke')->with($test->identicalTo(1));
        $promise1 = $deferred->getPromise();
        $promise2 = $promise1->then($test->expectCallableNever(), $test->expectCallableNever(), $mock1)->then($test->expectCallableNever(), $test->expectCallableNever(), $mock2);
        $promise2->cancel(1);
    }