| <script> |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function log(msg) { |
| document.getElementById("logger").innerHTML += msg + "<br>"; |
| } |
| |
| function loaded() |
| { |
| // Make a 512k character string, which computes as 1mb of payload. |
| var object = "12345678"; |
| for (var i = 0; i < 16; ++i) |
| object += object; |
| |
| log("The total payload is currently 60+mb. Pushing a 1mb object brings that 61+mb."); |
| |
| try { |
| history.pushState(0, 0, object); |
| log("It fit."); |
| } catch (e) { |
| log("Unexpected exception pushing 1mb:" + e); |
| } |
| |
| log("The total payload is currently 61+mb. Replacing the last 1mb with 2mb brings that to 62+mb."); |
| |
| object += object; |
| try { |
| history.replaceState(0, 0, object); |
| log("It fit."); |
| } catch (e) { |
| log("Unexpected exception replacing 1mb with 2mb:" + e); |
| } |
| |
| log("The total payload is currently 62+mb. Replacing the last 2mb with 4mb brings that to 64+mb, and should not fit."); |
| |
| object += object; |
| try { |
| history.replaceState(0, 0, object); |
| log("It fit, but should not have."); |
| } catch (e) { |
| log("Expected exception replacing 2mb with 4mb:" + e); |
| } |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| |
| window.onload = loaded; |
| |
| </script> |
| <body> |
| <div id="logger"></div> |
| </body> |
