| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/helper.sub.js"></script> |
| |
| <meta http-equiv="Content-Security-Policy" content="require-trusted-types"> |
| </head> |
| <body> |
| <script> |
| // TrustedURL assignments do not throw. |
| async_test(t => { |
| createHTML_policy(window) |
| .then(t.step_func_done(p => { |
| let html = p.createHTML(INPUTS.HTML); |
| document.write(html); |
| assert_equals(document.body.innerText, RESULTS.HTML); |
| })); |
| }, "document.write with html assigned via policy (successful URL transformation)."); |
| |
| // String assignments throw. |
| test(t => { |
| assert_throws(new TypeError(), _ => { |
| document.write('A string'); |
| }); |
| }, "`document.write(string)` throws"); |
| |
| // Null assignment throws. |
| test(t => { |
| assert_throws(new TypeError(), _ => { |
| document.write(null); |
| }); |
| }, "`document.write(null)` throws"); |
| </script> |
