| <!DOCTYPE html> |
| <title>Tests the 'blocking' IDL attribute on link, script and style elements</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| // Tests that the 'blocking' attribute follows the IDL: |
| // [SameObject, PutForwards=value] readonly attribute DOMTokenList blocking; |
| |
| test(() => { |
| const link = document.createElement('link'); |
| assert_true(link.blocking.supports('render')); |
| assert_false(link.blocking.supports('asdf')); |
| }, "Supported tokens of the 'blocking' IDL attribute of the link element"); |
| |
| test(() => { |
| const link = document.createElement('link'); |
| link.blocking = 'asdf'; |
| assert_equals(link.blocking.value, 'asdf'); |
| }, "Setting the 'blocking' IDL attribute of the link element"); |
| |
| test(() => { |
| const script = document.createElement('script'); |
| assert_true(script.blocking.supports('render')); |
| assert_false(script.blocking.supports('asdf')); |
| }, "Supported tokens of the 'blocking' IDL attribute of the script element"); |
| |
| test(() => { |
| const script = document.createElement('script'); |
| script.blocking = 'asdf'; |
| assert_equals(script.blocking.value, 'asdf'); |
| }, "Setting the 'blocking' IDL attribute of the script element"); |
| |
| test(() => { |
| const style = document.createElement('style'); |
| assert_true(style.blocking.supports('render')); |
| assert_false(style.blocking.supports('asdf')); |
| }, "Supported tokens of the 'blocking' IDL attribute of the style element"); |
| |
| test(() => { |
| const style = document.createElement('style'); |
| style.blocking = 'asdf'; |
| assert_equals(style.blocking.value, 'asdf'); |
| }, "Setting the 'blocking' IDL attribute of the style element"); |
| </script> |
