| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| test(() => { |
| assert_throws_dom("DATA_CLONE_ERR", () => { |
| window.postMessage(Symbol("Cocoa"), "*"); |
| }); |
| assert_throws_dom("DATA_CLONE_ERR", () => { |
| window.postMessage({0: Symbol("Cocoa")}, "*"); |
| }); |
| assert_throws_dom("DATA_CLONE_ERR", () => { |
| window.postMessage({hello: Symbol("Cocoa")}, "*"); |
| }); |
| assert_throws_dom("DATA_CLONE_ERR", () => { |
| window.postMessage([Symbol("Cocoa")], "*"); |
| }); |
| }, "Tests that posting a message that contains Symbols fails."); |
| </script> |
| </body> |
| </html> |
