91 lines
3.4 KiB
HTML
91 lines
3.4 KiB
HTML
<!doctype html>
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<title>Serialization of declarations in group rules</title>
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<link rel="author" title="Steinar H. Gunderson" href="mailto:sesse@chromium.org">
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<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7850">
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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 id="test-sheet"></style>
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<script>
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function serialize(cssText) {
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let [ss] = document.styleSheets;
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while (ss.rules.length) {
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ss.removeRule(0)
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}
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ss.insertRule(cssText);
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return ss.rules[0].cssText;
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}
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function assert_unchanged(cssText, description) {
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test(() => {
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assert_equals(serialize(cssText), cssText, description);
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}, description);
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}
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function assert_becomes(cssText, serializedCssText, description) {
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test(() => {
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assert_equals(serialize(cssText), serializedCssText, description);
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}, description);
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}
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assert_unchanged(
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"@media screen {\n div { color: red; background-color: green; }\n}",
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"Declarations are serialized on one line, rules on two."
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)
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assert_becomes(
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"div { @media screen { color: red; background-color: green; } }",
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"div {\n @media screen {\n color: red; background-color: green;\n}\n}",
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"Mixed declarations/rules are on two lines."
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);
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assert_becomes(
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"div {\n @supports selector(&) { color: red; background-color: green; } &:hover { color: navy; } }",
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"div {\n @supports selector(&) {\n color: red; background-color: green;\n}\n &:hover { color: navy; }\n}",
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"Implicit rule is serialized",
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);
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assert_unchanged("div {\n @media screen {\n & { color: red; }\n}\n}", "Implicit rule not removed");
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assert_becomes(
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"div { @media screen { & { color: red; &:hover { } } }",
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"div {\n @media screen {\n & {\n color: red;\n &:hover { }\n}\n}\n}",
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"Implicit + empty hover rule"
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);
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assert_becomes(
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"div { @media screen { &.cls { color: red; } & { color: red; }",
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"div {\n @media screen {\n &.cls { color: red; }\n & { color: red; }\n}\n}",
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"Implicit like rule not in first position"
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);
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assert_becomes(
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"div { @media screen { & { color: red; } & { color: red; }",
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"div {\n @media screen {\n & { color: red; }\n & { color: red; }\n}\n}",
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"Two implicit-like rules"
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);
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assert_becomes(
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"div { @media screen { color: red; & { color: red; }",
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"div {\n @media screen {\n color: red;\n & { color: red; }\n}\n}",
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"Implicit like rule after decls"
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);
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assert_becomes(
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"div { @media screen { color: red; & { color: blue; }",
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"div {\n @media screen {\n color: red;\n & { color: blue; }\n}\n}",
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"Implicit like rule after decls, missing closing braces"
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);
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assert_becomes(
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"div { @media screen { &, p > & { color: blue; }",
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"div {\n @media screen {\n &, p > & { color: blue; }\n}\n}",
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"Implicit like rule with other selectors"
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);
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assert_becomes(
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"div { & { color: red; } }",
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"div {\n & { color: red; }\n}",
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"Implicit-like rule in style rule"
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);
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// Empty rules (confusingly?) serialize different between style rules
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// and conditional group rules.
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assert_unchanged("@media screen {\n}", "Empty conditional rule");
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assert_unchanged("div { }", "Empty style rule");
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assert_unchanged("div {\n @media screen {\n}\n}", "Empty conditional inside style rule");
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assert_unchanged("@media screen {\n div { }\n}", "Empty style inside conditional");
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</script>
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