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43 lines
1.3 KiB
HTML
43 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<title>CSSOM: CSSPageRule tests</title>
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<link rel="help" href="https://drafts.csswg.org/cssom/#the-csspagerule-interface" />
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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@page {}
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</style>
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<script>
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const sheet = document.styleSheets[0];
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const rule = sheet.cssRules[0];
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test(() => {
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assert_true(!!rule);
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assert_equals(rule.type, CSSRule.PAGE_RULE);
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}, "Sanity checks");
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test(() => {
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assert_equals(rule.selectorText, "");
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}, "Page selector is initially the empty string");
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test(() => {
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rule.selectorText = ":left";
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assert_equals(rule.selectorText, ":left");
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}, "Set selectorText to :left pseudo page");
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test(() => {
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rule.selectorText = "named";
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assert_equals(rule.selectorText, "named");
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}, "Set selectorText to named page");
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test(() => {
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rule.selectorText = "named:first";
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assert_equals(rule.selectorText, "named:first");
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}, "Set selectorText to named page with :first pseudo page");
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test(() => {
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assert_equals(rule.parentStyleSheet, sheet);
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sheet.deleteRule(0);
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assert_equals(rule.parentStyleSheet, null);
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rule.selectorText = "pagename";
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}, "Set selectorText to named page after rule was removed");
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</script>
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