| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Parse, store, and serialize CSS variable references</title> |
| |
| <meta rel="author" title="Kevin Babbitt"> |
| <meta rel="author" title="Greg Whitworth"> |
| <link rel="author" title="Microsoft Corporation" href="http://microsoft.com" /> |
| <link rel="help" href="http://www.w3.org/TR/css-variables-1/#using-variables"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <!-- |
| https://drafts.csswg.org/css-syntax/#error-handling |
| If the stylesheet ends while any rule, declaration, function, string, etc. are still open, everything is automatically closed. |
| --> |
| <style id="variable-reference-left-open"> |
| div |
| { |
| width: var(--prop</style> |
| </head> |
| <body> |
| |
| <script type="text/javascript"> |
| "use strict"; |
| |
| var testcases = [ |
| { cssText: "width: var(--prop);", expectedPropertyValue: "var(--prop)" }, |
| { cssText: "width: var(--prop) !important;", expectedPropertyValue: "var(--prop)" }, |
| { cssText: "width: var(--prop, );", expectedPropertyValue: "var(--prop, )" }, |
| { cssText: "width: var(--prop, 20px);", expectedPropertyValue: "var(--prop, 20px)" }, |
| { cssText: "width: var(--prop, blue);", expectedPropertyValue: "var(--prop, blue)" }, |
| { cssText: "width: var(--prop1, var(--prop2));", expectedPropertyValue: "var(--prop1, var(--prop2))" }, |
| { cssText: "width: var(--prop1, var(--prop2, var(--prop3, auto)));", expectedPropertyValue: "var(--prop1, var(--prop2, var(--prop3, auto)))" }, |
| { cssText: "width: var(--prop1) var(--prop2)", expectedPropertyValue: "var(--prop1) var(--prop2)" }, |
| |
| { cssText: "width: var();", expectedPropertyValue: "" }, |
| { cssText: "width: var(prop);", expectedPropertyValue: "" }, |
| { cssText: "width: var(-prop);", expectedPropertyValue: "" }, |
| { cssText: "width: var(--prop,);", expectedPropertyValue: "" }, |
| { cssText: "width: var(--prop 20px);", expectedPropertyValue: "" }, |
| { cssText: "width: var(--prop, var(prop));", expectedPropertyValue: "" }, |
| { cssText: "width: var(--prop, var(-prop));", expectedPropertyValue: "" }, |
| { cssText: "width: var(20px);", expectedPropertyValue: "" }, |
| { cssText: "width: var(var(--prop));", expectedPropertyValue: "" }, |
| ]; |
| |
| testcases.forEach(function (testcase) { |
| test( function () { |
| var div = document.createElement("div"); |
| document.body.appendChild(div); |
| div.style.cssText = testcase.cssText; |
| var actualPropertyValue = div.style.getPropertyValue("width").trim(); |
| assert_equals(actualPropertyValue, testcase.expectedPropertyValue); |
| document.body.removeChild(div); |
| }, testcase.cssText); |
| }); |
| |
| test( function() { |
| var actualPropertyValue = document.getElementById("variable-reference-left-open").sheet.cssRules[0].style.getPropertyValue("width").trim(); |
| assert_equals(actualPropertyValue, "var(--prop"); |
| }, "Variable reference left open at end of stylesheet"); |
| </script> |
| |
| </body> |
| </html> |