| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.csswg.org/mediaqueries-5/#forced-colors" /> |
| <script type="text/javascript" src="/resources/testharness.js"></script> |
| <script type="text/javascript" src="/resources/testharnessreport.js"></script> |
| |
| <script type="text/javascript" src="resources/matchmedia-utils.js"></script> |
| <script> |
| query_should_be_css_parseable("(forced-colors)"); |
| query_should_be_css_parseable("(forced-colors: none)"); |
| query_should_be_css_parseable("(forced-colors: active)"); |
| |
| query_should_not_be_css_parseable("(forced-colors: 0)"); |
| query_should_not_be_css_parseable("(forced-colors: no-preference)"); |
| query_should_not_be_css_parseable("(forced-colors: 10px)"); |
| query_should_not_be_css_parseable("(forced-colors: active 0)"); |
| query_should_not_be_css_parseable("(forced-colors: none active)"); |
| query_should_not_be_css_parseable("(forced-colors: active/none)"); |
| |
| query_should_be_js_parseable("(forced-colors)"); |
| query_should_be_js_parseable("(forced-colors: none)"); |
| query_should_be_js_parseable("(forced-colors: active)"); |
| |
| query_should_not_be_js_parseable("(forced-colors: 0)"); |
| query_should_not_be_js_parseable("(forced-colors: no-preference)"); |
| query_should_not_be_js_parseable("(forced-colors: 10px)"); |
| query_should_not_be_js_parseable("(forced-colors: active 0)"); |
| query_should_not_be_js_parseable("(forced-colors: none active)"); |
| query_should_not_be_js_parseable("(forced-colors: active/none)"); |
| |
| test(() => { |
| let booleanContext = window.matchMedia("(forced-colors)"); |
| let none = window.matchMedia("(forced-colors: none)"); |
| assert_equals(booleanContext.matches, !none.matches); |
| }, "Check that none evaluates to false in the boolean context"); |
| </script> |
