106 lines
3.1 KiB
HTML
106 lines
3.1 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>View transitions: CSSOM for @view-transition rule</title>
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<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
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<link rel="author" href="mailto:bokan@chromium.org">
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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></style>
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<script>
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function resetStateAndTest(testFunction) {
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const sheet = document.styleSheets[0];
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while (sheet.cssRules.length > 0) sheet.deleteRule(0);
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testFunction();
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}
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test(function () {
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resetStateAndTest(() => {
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document.styleSheets[0].insertRule(`
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@view-transition {
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}
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`);
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let rule = document.styleSheets[0].cssRules[0];
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assert_true(rule instanceof CSSViewTransitionRule);
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assert_equals(rule.type, 0);
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assert_equals(rule.cssText, "@view-transition { }");
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assert_equals(rule.navigation, '');
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});
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}, "CSSViewTransitionRule is correctly parsed and accessible via CSSOM.");
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test(function () {
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resetStateAndTest(() => {
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document.styleSheets[0].insertRule(`
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@view-transition {
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navigation: auto;
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}
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`);
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let rule = document.styleSheets[0].cssRules[0];
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assert_equals(rule.cssText,
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"@view-transition { navigation: auto; }");
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assert_equals(rule.navigation, 'auto');
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});
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}, "`navigation: auto` is correctly parsed.");
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test(function () {
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resetStateAndTest(() => {
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document.styleSheets[0].insertRule(`
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@view-transition {
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navigation: none;
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}
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`);
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let rule = document.styleSheets[0].cssRules[0];
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assert_equals(rule.cssText, "@view-transition { navigation: none; }");
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assert_equals(rule.navigation, 'none');
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});
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}, "`navigation: none` is correctly parsed.");
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test(function () {
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resetStateAndTest(() => {
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assert_throws_dom('SyntaxError', () => {
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document.styleSheets[0].insertRule('@view-transition foo {}');
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}, "Failed to execute 'insertRule' on 'CSSStyleSheet': " +
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"Failed to parse the rule '@view-transition foo {}'");
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assert_equals(document.styleSheets[0].cssRules.length, 0);
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});
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}, "@view-transition fails parsing with a preamble");
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test(function () {
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resetStateAndTest(() => {
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document.styleSheets[0].insertRule(`
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@view-transition {
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navigation: foo;
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}
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`);
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let rule = document.styleSheets[0].cssRules[0];
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assert_equals(rule.cssText, "@view-transition { }");
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});
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}, "Invalid `navigation` value fails to parse.");
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test(function () {
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resetStateAndTest(() => {
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document.styleSheets[0].insertRule(`
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@view-transition {
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navigation: none !important;
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}
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`);
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let rule = document.styleSheets[0].cssRules[0];
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assert_equals(rule.cssText, "@view-transition { }");
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});
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}, "`navigation` with !important flag should fail to parse.");
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test(function () {
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resetStateAndTest(() => {
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document.styleSheets[0].insertRule(`
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@view-transition {
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navigation: none;
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}
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`);
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let rule = document.styleSheets[0].cssRules[0];
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rule.navigation = "auto";
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assert_equals(rule.navigation, "none");
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});
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}, "`navigation` descriptor cannot be set.");
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</script>
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