| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <style>div{}</style> |
| <style>div{}</style> |
| <script> |
| var sheet1 = document.styleSheets[0]; |
| var sheet2 = document.styleSheets[1]; |
| |
| test(() => { |
| sheet1.ownerNode.remove(); |
| assert_equals(sheet1.cssRules.length, 1, "sheet1 should have length 1."); |
| assert_equals(sheet2.cssRules.length, 1, "sheet2 should have length 1."); |
| }, "Precondition: both sheets should have length 1 after sheet1 is detached."); |
| |
| test(() => { |
| sheet2.insertRule("span{}", 0); |
| assert_equals(sheet2.cssRules.length, 2, "sheet2 should have length 2 after insertRule."); |
| assert_equals(sheet1.cssRules.length, 1, "sheet1 should still have length 1."); |
| }, "Check cssRules length after insertRule."); |
| </script> |
