| <!DOCTYPE html> |
| <html> |
| <head> |
| <link rel="help" href="https://drafts.csswg.org/css-env-1/"> |
| <title>Test that CSS env vars work with CSS.supports</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| test(() => { |
| assert_true(CSS.supports("background: env(test)")); |
| assert_true(CSS.supports("background", "env(test)")); |
| assert_true(CSS.supports("background", "env(test, 10px)")); |
| assert_true(CSS.supports("background", "foobar(env(test))")); |
| assert_false(CSS.supports("background", "env()")); |
| assert_false(CSS.supports("background", "env(test,)")); |
| }); |
| </script> |
| </body> |
| </html> |
