| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Test for leaks caused by reference cycles that pass through PaymentResponse</title> |
| <script src="/js-test-resources/ui-helper.js"></script> |
| <script src="/resources/payment-request.js"></script> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| async function checkForNodeLeaks(testFunction, underlyingClass) |
| { |
| // Bump this number as high as we need to, to get reproducible results. |
| const repetitions = 80; |
| |
| GCController.collect(); |
| const beforeCount = internals.numberOfLiveNodes(); |
| for (var i = 0; i < repetitions; ++i) |
| await testFunction(); |
| GCController.collect(); |
| const leaks = internals.numberOfLiveNodes() - beforeCount; |
| |
| if (leaks == repetitions) |
| return "leaked"; |
| if (leaks < repetitions / 10) |
| return "did not leak"; |
| return "leaked an unexpected number of nodes: " + leaks + " leaks in " + repetitions + " runs"; |
| } |
| |
| async function createPaymentResponseDetailsCycle() |
| { |
| const applePay = { |
| supportedMethods: "https://apple.com/apple-pay", |
| data: { |
| version: 2, |
| merchantIdentifier: '', |
| merchantCapabilities: ['supports3DS'], |
| supportedNetworks: ['visa', 'masterCard'], |
| countryCode: 'US', |
| }, |
| }; |
| |
| const details = { |
| total: { |
| label: "Total", |
| amount: { |
| currency: "USD", |
| value: "1.00", |
| }, |
| }, |
| }; |
| |
| const paymentRequest = new PaymentRequest([applePay], details); |
| await activateThen(async () => { |
| const acceptPromise = paymentRequest.show(); |
| internals.mockPaymentCoordinator.acceptPayment(); |
| const paymentResponse = await acceptPromise; |
| |
| const leakDetectionNode = document.createTextNode(""); |
| const details = paymentResponse.details; |
| leakDetectionNode.details = details; |
| details.leakDetectionNode = leakDetectionNode; |
| |
| paymentResponse.complete("success"); |
| }); |
| } |
| |
| promise_test(async t => { |
| const result = await checkForNodeLeaks(createPaymentResponseDetailsCycle); |
| assert_equals(result, 'did not leak'); |
| }, "PaymentResponse should not leak when there is a reference cycle due to the details attribute"); |
| |
| </script> |
