| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <link rel="stylesheet alternate" href="data:text/css,p { color:green }" title="prefer"> |
| <link rel="stylesheet alternate" href="data:text/css,p { color:red }" title="notpreferred"> |
| <link id="l1" rel="stylesheet" title="notpreferred"> |
| <link id="l2" rel="stylesheet" href title="notpreferred"> |
| <link id="l3" rel="stylesheet" href="" title="notpreferred"> |
| <link id="l4" rel="icon" href="data:text/css," title="notpreferred"> |
| <link id="l5" rel="stylesheet" href="data:text/css,"> |
| <p id="p1">This text should be green</p> |
| <script> |
| test(() => { |
| assert_equals(getComputedStyle(p1).color, "rgb(0, 0, 0)"); |
| }, "Check that #p1 is initially black."); |
| |
| test(() => { |
| l1.setAttribute("title", "prefer"); |
| assert_equals(getComputedStyle(p1).color, "rgb(0, 0, 0)"); |
| }, "Do not set preferred set when href missing."); |
| |
| test(() => { |
| l2.setAttribute("title", "prefer"); |
| assert_equals(getComputedStyle(p1).color, "rgb(0, 0, 0)"); |
| }, "Do not set preferred set when href has no value."); |
| |
| test(() => { |
| l3.setAttribute("title", "prefer"); |
| assert_equals(getComputedStyle(p1).color, "rgb(0, 0, 0)"); |
| }, "Do not set preferred set when href has empty value."); |
| |
| test(() => { |
| l4.setAttribute("title", "prefer"); |
| assert_equals(getComputedStyle(p1).color, "rgb(0, 0, 0)"); |
| }, "Do not set preferred set for rel=icon."); |
| |
| test(() => { |
| l5.setAttribute("title", "prefer"); |
| assert_equals(getComputedStyle(p1).color, "rgb(0, 128, 0)"); |
| }, "Setting the title attribute set the preferred set."); |
| </script> |
