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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Paged Media: parsing invalid @page selectors</title>
<link rel="author" title="Mozilla" href="https://mozilla.org"/>
<link rel="help" href="https://drafts.csswg.org/css-page/#page-selectors"/>
<meta name="assert" content="Test that @page selectors are parsed correctly.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
@page 1 {
size: 1in;
}
@page -3 {
size: 2in;
}
@page --a {
size: 3in;
}
@page 7cm {
size: 4in;
}
@page 0.17 {
size: 5in;
}
@page a, 123 {
size: 6in;
}
</style>
<script>
const invalidSelectorTexts = [
"1",
"-3",
"--a",
"7cm",
"0.17",
"a, 123",
];
let styleSheets = document.styleSheets;
for (let sheet of styleSheets) {
for (let rule of sheet.cssRules) {
test(function(){
assert_not_equals(rule.type, CSSRule.PAGE_RULE,
"no @page rule should have been parsed");
}, "rule with invalid selector ['" + rule.selectorText + "']");
}
}
let ruleIndex = styleSheets[0].insertRule("@page{}");
let rule = styleSheets[0].cssRules[ruleIndex];
test(function() {
assert_equals(rule.selectorText, "", "Initial selector text should have been empty");
assert_equals(rule.type, CSSRule.PAGE_RULE, "unexpected rule type (not @page)");
}, "adding a blank @page rule");
for (let selectorText of invalidSelectorTexts){
test(function() {
// Clear the selector first
rule.selectorText = "";
rule.selectorText = selectorText;
assert_equals(rule.selectorText, "",
"should not be able to assign an invalid selector");
}, "assigning invalid selector text ['" + selectorText + "']");
}
</script>
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