| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSSOM - CSSStyleSheet interface</title> |
| <link rel="help" href="https://drafts.csswg.org/cssom/#the-cssstylesheet-interface"> |
| <link rel="help" href="https://drafts.csswg.org/cssom/#legacy-css-style-sheet-members"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style id="my-stylesheet"> |
| body { width: 50%; } |
| #foo { height: 100px; } |
| </style> |
| <style id="empty-stylesheet"></style> |
| |
| <script> |
| var styleSheet, emptyStyleSheet; |
| |
| setup(function() { |
| styleSheet = document.styleSheets[0]; |
| styleSheet.cssRules[0].randomProperty = 1; |
| styleSheet.cssRules[1].randomProperty = 2; |
| emptyStyleSheet = document.styleSheets[1]; |
| }); |
| |
| test(function() { |
| assert_equals(styleSheet, document.getElementById("my-stylesheet").sheet, "CSSStyleSheet and LinkStyle's sheet attribute"); |
| assert_equals(styleSheet.cssRules.length, 2, "CSSStyleSheet cssRules attribute"); |
| assert_equals(styleSheet.cssRules[0].cssText, "body { width: 50%; }", "CSSStyleSheet cssRules attribute"); |
| assert_equals(styleSheet.cssRules[1].cssText, "#foo { height: 100px; }", "CSSStyleSheet cssRules attribute"); |
| assert_equals(styleSheet.cssRules[2], undefined, "CSSStyleSheet cssRules attribute"); |
| |
| assert_equals(emptyStyleSheet, document.getElementById("empty-stylesheet").sheet, "CSSStyleSheet and LinkStyle's sheet attribute"); |
| assert_equals(emptyStyleSheet.cssRules.length, 0, "CSSStyleSheet cssRules attribute"); |
| }, "preconditions"); |
| |
| test(function() { |
| styleSheet.insertRule("#bar { margin: 10px; }", 1); |
| assert_equals(styleSheet.cssRules.length, 3, "CSSStyleSheet cssRules attribute after insertRule function"); |
| assert_equals(styleSheet.cssRules[0].cssText, "body { width: 50%; }", "CSSStyleSheet cssRules attribute"); |
| assert_equals(styleSheet.cssRules[1].cssText, "#bar { margin: 10px; }", "CSSStyleSheet cssRules attribute after insertRule function"); |
| assert_equals(styleSheet.cssRules[2].cssText, "#foo { height: 100px; }", "CSSStyleSheet cssRules attribute after insertRule function"); |
| assert_equals(styleSheet.cssRules[0].randomProperty, 1, "[SameObject] cssRules attribute after insertRule function"); |
| assert_equals(styleSheet.cssRules[2].randomProperty, 2, "[SameObject] cssRules attribute after insertRule function"); |
| }, 'insertRule with #bar selector'); |
| |
| test(function() { |
| assert_throws_js(TypeError, function() { styleSheet.insertRule() }); |
| }, 'insertRule with no argument throws'); |
| |
| test(function() { |
| assert_throws_dom("IndexSizeError", function() { |
| styleSheet.insertRule("#bar { margin: 10px; }", styleSheet.cssRules.length + 1) |
| }); |
| }, 'insertRule with index greater than length throws'); |
| |
| test(function() { |
| styleSheet.deleteRule(1); |
| assert_equals(styleSheet.cssRules.length, 2, "CSSStyleSheet cssRules attribute after deleteRule function"); |
| assert_equals(styleSheet.cssRules[0].cssText, "body { width: 50%; }", "CSSStyleSheet cssRules attribute after deleteRule function"); |
| assert_equals(styleSheet.cssRules[1].cssText, "#foo { height: 100px; }", "CSSStyleSheet cssRules attribute after deleteRule function"); |
| assert_equals(styleSheet.cssRules[2], undefined, "CSSStyleSheet cssRules attribute after deleteRule function"); |
| assert_equals(styleSheet.cssRules[0].randomProperty, 1, "[SameObject] cssRules attribute after deleteRule function"); |
| assert_equals(styleSheet.cssRules[1].randomProperty, 2, "[SameObject] cssRules attribute after deleteRule function"); |
| }, 'deleteRule(1)'); |
| |
| test(function() { |
| assert_throws_js(TypeError, function() { styleSheet.deleteRule() }); |
| }, 'deleteRule with no argument throws'); |
| |
| test(function() { |
| assert_throws_dom("IndexSizeError", function() { emptyStyleSheet.deleteRule(0) }); |
| }, 'deleteRule on empty style sheet throws'); |
| |
| test(function() { |
| styleSheet.removeRule(); |
| assert_equals(styleSheet.cssRules.length, 1, "CSSStyleSheet cssRules attribute after removeRule function"); |
| assert_equals(styleSheet.cssRules[0].cssText, "#foo { height: 100px; }", "CSSStyleSheet cssRules attribute after removeRule function"); |
| }, 'removeRule with no argument removes first rule'); |
| |
| test(function() { |
| assert_throws_dom("IndexSizeError", function() { emptyStyleSheet.removeRule(0) }); |
| }, 'removeRule on empty style sheet throws'); |
| |
| test(function() { |
| assert_equals(styleSheet.addRule("@media all", "#foo { color: red }"), -1); |
| assert_equals(styleSheet.cssRules.length, 2, "CSSStyleSheet cssRules attribute after addRule function"); |
| assert_true(styleSheet.cssRules[1] instanceof CSSMediaRule, "CSSStyleSheet addRule does some silly string concatenation"); |
| }, 'addRule with @media rule'); |
| |
| test(function() { |
| styleSheet.removeRule(1); |
| assert_equals(styleSheet.cssRules.length, 1, "CSSStyleSheet cssRules attribute after removeRule function with index"); |
| assert_equals(styleSheet.cssRules[0].cssText, "#foo { height: 100px; }", "CSSStyleSheet cssRules attribute after deleteRule function with index"); |
| }, 'removeRule(1)'); |
| |
| test(function() { |
| assert_equals(styleSheet.addRule("#foo", "color: red"), -1); |
| assert_equals(styleSheet.cssRules.length, 2, "CSSStyleSheet cssRules attribute after addRule function with simple selector"); |
| assert_equals(styleSheet.cssRules[1].cssText, "#foo { color: red; }", "CSSStyleSheet cssRules attribute after addRule function without index appends to the end"); |
| |
| assert_equals(styleSheet.addRule("#foo", "color: blue", 0), -1); |
| assert_equals(styleSheet.cssRules.length, 3, "CSSStyleSheet cssRules attribute after addRule function with simple selector with index"); |
| assert_equals(styleSheet.cssRules[0].cssText, "#foo { color: blue; }", "addRule function with index performs an insertion"); |
| }, 'addRule with #foo selectors'); |
| |
| test(function() { |
| assert_equals(styleSheet.addRule(), -1); |
| assert_equals(styleSheet.cssRules.length, 4, "CSSStyleSheet cssRules attribute after addRule function without arguments"); |
| assert_equals(styleSheet.cssRules[3].cssText, "undefined { }", "addRule arguments default to undefined"); |
| }, 'addRule with no argument adds "undefined" selector'); |
| |
| test(function() { |
| assert_throws_dom("IndexSizeError", function() { |
| styleSheet.addRule("#foo", "color: red", styleSheet.cssRules.length + 1); |
| }); |
| }, 'addRule with index greater than length throws'); |
| |
| test(function() { |
| assert_equals(styleSheet.cssRules, styleSheet.rules); |
| }, "cssRules and rules are the same object"); |
| |
| test(function() { |
| assert_equals(styleSheet.cssRules, styleSheet.cssRules); |
| }, "cssRules returns the same object twice"); |
| |
| test(function() { |
| assert_equals(styleSheet.rules, styleSheet.rules); |
| }, "rules returns the same object twice"); |
| </script> |
| </head> |
| </html> |