| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| // Unhandled rejections must be permitted due to the expected unhandled |
| // reections described below. |
| setup({ |
| allow_uncaught_exception: true |
| }); |
| // Running put several times is necessary to trigger the crash, but running too |
| // many times causes the test to timeout on windows. |
| let putRunsLeft = 64; |
| // fillStackAndRun() doesn't not cause a stack overflow in this test. This is |
| // probably because put() takes two arguments. |
| function fillStackThenCallPut(foo, request, response) { |
| try { |
| fillStackThenCallPut(foo, request, response); |
| } finally { |
| // This runs thousands of times, causing the console to spew "Uncaught |
| // (in promise) TypeError: Response body is already used" messages, but |
| // it's harmless. The rejection cannot be handled because the call |
| // stack is full. |
| if (putRunsLeft > 0) { |
| --putRunsLeft; |
| foo.put(request, response); |
| } |
| } |
| } |
| |
| promise_test(async t => { |
| const request = new Request('/'); |
| const response = new Response('foo'); |
| const foo = await caches.open('foo'); |
| t.add_cleanup(() => caches.delete('foo')); |
| await foo.put(request, response); |
| assert_throws_js( |
| RangeError, () => fillStackThenCallPut(foo, request, response), |
| 'fillStackThenCallPut should throw'); |
| }, 'stack overflow in IsLocked() should not crash the browser'); |
| </script> |
