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118 lines (111 loc) · 5.56 KB
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<!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>