| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSS Multi-column Layout: getComputedStyle().columnRuleWidth</title> |
| <link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-width"> |
| <meta name="assert" content="column-rule-width computed value is absolute length."> |
| <meta name="assert" content="column-rule-width computed value is 0 if the column rule style is none or hidden."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/computed-testcommon.js"></script> |
| </head> |
| <body> |
| <div id="target"></div> |
| <style> |
| #target { |
| font-size: 40px; |
| column-rule-style: dotted; |
| } |
| </style> |
| <script> |
| test_computed_value("column-rule-width", "calc(10px + 0.5em)", "30px"); |
| test_computed_value("column-rule-width", "calc(10px - 0.5em)", "0px"); |
| |
| // thin, medium, thick computed values not yet tested |
| |
| test(() => { |
| target.style.columnRuleWidth = '10px'; |
| assert_equals(getComputedStyle(target).columnRuleWidth, '10px'); |
| |
| target.style.columnRuleStyle = 'none'; |
| assert_equals(getComputedStyle(target).columnRuleWidth, '0px'); |
| |
| target.style.columnRuleStyle = 'outset'; |
| assert_equals(getComputedStyle(target).columnRuleWidth, '10px'); |
| |
| target.style.columnRuleStyle = 'hidden'; |
| assert_equals(getComputedStyle(target).columnRuleWidth, '0px'); |
| |
| target.style.columnRuleStyle = ''; |
| }, 'column-rule-width is 0 when column-rule-style is none or hidden'); |
| </script> |
| </body> |
| </html> |
