| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <link rel="author" title="Mozilla" href="https://mozilla.org"> |
| <link rel="help" href="https://drafts.csswg.org/cssom/#the-cssstyledeclaration-interface"> |
| <title>CSSPageDescriptors properties tests</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| @page { |
| size: a3; |
| page-orientation: rotate-right; |
| margin: 1em 24px 2in 101.5mm; |
| } |
| @page { |
| size: jis-b5 landscape; |
| } |
| @page { |
| size: 216mm; |
| } |
| </style> |
| </head> |
| <body> |
| <div id="target"></div> |
| <script> |
| 'use strict'; |
| |
| let element = document.getElementById("target"); |
| let computedStyle = window.getComputedStyle(element); |
| let style = element.style; |
| let styleSheet = document.styleSheets[0]; |
| let marginNames = ["left", "right", "top", "bottom"]; |
| let pageDescriptors = ["margin", "page-orientation", "size"]; |
| marginNames.forEach(function(n){ |
| pageDescriptors.push("margin-" + n); |
| pageDescriptors.push("margin" + n[0].toUpperCase() + n.slice(1)); |
| }); |
| |
| test(t => { |
| // Check that size isn't exposed on all CSS style declarations. |
| assert_equals(computedStyle.size, undefined, |
| "computed style should not have size property"); |
| assert_equals(computedStyle.getPropertyValue("size"), "", |
| "computed style getPropertyValue(\"size\") should be empty"); |
| |
| assert_equals(style.size, undefined, |
| "style should not have size property"); |
| assert_equals(style.getPropertyValue("size"), "", |
| "style getPropertyValue(\"size\") should be empty"); |
| for(const val of ["initial", "auto", "100px"]){ |
| style.setProperty("size", val); |
| assert_false(CSS.supports("size", val)); |
| assert_equals(style.size, undefined, |
| "style should not have size property after assigning size=" + val); |
| assert_equals(style.getPropertyValue("size"), "", |
| "style getPropertyValue(\"size\") should be empty after assigning size=" + val); |
| } |
| pageDescriptors.forEach(function(prop){ |
| assert_own_property(styleSheet.cssRules[0].style.__proto__, prop, |
| "CSSPageDescriptors should have property " + prop); |
| }); |
| assert_equals(styleSheet.cssRules[0].style.size, "a3"); |
| assert_equals(styleSheet.cssRules[0].style.pageOrientation, "rotate-right"); |
| assert_equals(styleSheet.cssRules[0].style.getPropertyValue("page-orientation"), "rotate-right", |
| 'Value of page-orientation should match pageOrientation from CSS'); |
| assert_equals(styleSheet.cssRules[1].style.size, "jis-b5 landscape"); |
| assert_equals(styleSheet.cssRules[2].style.size, "216mm"); |
| |
| // Ensure we can set the size property to a valid value. |
| styleSheet.cssRules[2].style.size = "portrait"; |
| assert_equals(styleSheet.cssRules[2].style.size, "portrait", |
| 'Should have been able to set size property to "portrait" on CSSPageDescriptors'); |
| // Ensure we cannot set the size property to an invalid property. |
| styleSheet.cssRules[2].style.size = "notarealsize"; |
| assert_equals(styleSheet.cssRules[2].style.size, "portrait", |
| 'Should not have been able to set size property to "notarealsize" on CSSPageDescriptors'); |
| |
| // Ensure we can set the orientation property to a valid value. |
| styleSheet.cssRules[2].style.pageOrientation = "rotate-left"; |
| assert_equals(styleSheet.cssRules[2].style.pageOrientation, "rotate-left", |
| 'Should have been able to set pageOrientation property to "rotate-left" on CSSPageDescriptors'); |
| assert_equals(styleSheet.cssRules[2].style.getPropertyValue("page-orientation"), "rotate-left", |
| 'Value of page-orientation should match pageOrientation after setting from script'); |
| // Ensure we cannot set the orientation property to an invalid property. |
| styleSheet.cssRules[2].style.pageOrientation = "schmotate-schmeft"; |
| assert_equals(styleSheet.cssRules[2].style.pageOrientation, "rotate-left", |
| 'Should not have been able to set pageOrientation property to "schmotate-schmeft" on CSSPageDescriptors'); |
| |
| // Ensure we cannot set invalid page properties. |
| styleSheet.cssRules[2].style.setProperty("float", "left"); |
| assert_equals(styleSheet.cssRules[2].style.cssFloat, undefined); |
| |
| assert_equals(styleSheet.cssRules[0].style.marginLeft, "101.5mm"); |
| assert_equals(styleSheet.cssRules[0].style.marginRight, "24px"); |
| assert_equals(styleSheet.cssRules[0].style.marginTop, "1em"); |
| assert_equals(styleSheet.cssRules[0].style.marginBottom, "2in"); |
| marginNames.forEach(function(name){ |
| let name1 = "margin-" + name; |
| let name2 = "margin" + name[0].toUpperCase() + name.slice(1); |
| assert_equals(styleSheet.cssRules[0].style[name1], |
| styleSheet.cssRules[0].style[name2], |
| "CSSPageDescriptors " + name1 + " and " + name2 + " should be the same."); |
| // Attempt setting through each name and ensure it is represented in the other. |
| styleSheet.cssRules[0].style[name1] = "99px"; |
| assert_equals(styleSheet.cssRules[0].style[name1], "99px", |
| "Should have been able to set " + name1 + " property on CSSPageDescriptors"); |
| assert_equals(styleSheet.cssRules[0].style[name2], "99px", |
| "Setting " + name1 + " on CSSPageDescriptors should also set " + name2); |
| styleSheet.cssRules[0].style[name2] = "216px"; |
| assert_equals(styleSheet.cssRules[0].style[name2], "216px", |
| "Should have been able to set " + name2 + " property on CSSPageDescriptors"); |
| assert_equals(styleSheet.cssRules[0].style[name1], "216px", |
| "Setting " + name2 + " on CSSPageDescriptors should also set " + name1); |
| }); |
| }); |
| </script> |
| </body> |
| </html> |
