| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <p>This test verifies that the stack property able to be deleted and written to by the developer.</p> |
| |
| <pre id="console"></pre> |
| |
| |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| function log(s) |
| { |
| document.getElementById("console").appendChild(document.createTextNode(s + "\n")); |
| } |
| |
| var e = new Error("hello"); |
| var stack = e.stack; |
| log("Creating new Error e"); |
| shouldBeTrue(' typeof(e.stack) == "string"'); |
| |
| delete(e.stack); |
| log("Deleting the stack property should make it undefined.") |
| shouldBeUndefined('e.stack'); |
| |
| log("Writing to the stack property."); |
| e.stack = "Brand new stack!"; |
| shouldBeTrue('e.stack == "Brand new stack!"'); |
| |
| successfullyParsed = true; |
| </script> |
| </body> |
