pseudo-elements-invalid.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-view-transitions/parsing/pseudo-elements-invalid.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>Test pseudo elements parsing of invalid selectors</title>

<link rel="author" href="https://github.com/nt1m">

<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/css/support/parsing-testcommon.js"></script>

<script>

const functionPseudoElements = [

    "::view-transition-group",

    "::view-transition-image-pair",

    "::view-transition-old",

    "::view-transition-new",

];

function test_invalid_selector_combinations(pseudo) {

    test_invalid_selector(`${pseudo}.a`);

    test_invalid_selector(`${pseudo} div`);

    test_invalid_selector(`${pseudo}:hover`);

    test_invalid_selector(`:not(${pseudo})`);

    test_invalid_selector(`:has(${pseudo})`);

test_invalid_selector_combinations("::view-transition");

test_invalid_selector("::view-transition(*)");

test_invalid_selector("::view-transition(valid)");

test_invalid_selector("::view-transition(root)");

for (const fn of functionPseudoElements) {

    for (const validArgument of ["*", "valid", "root"]) {

        test_invalid_selector_combinations(`${fn}(${validArgument})`);

    // Test function without argument.

    test_invalid_selector(fn);

    test_invalid_selector_combinations(fn);

    // Test function with empty argument.

    test_invalid_selector(`${fn}()`);

    test_invalid_selector_combinations(`${fn}()`);

    // Test function with keywords excluded from <custom-ident>.

    test_invalid_selector(`${fn}(default)`);

    test_invalid_selector_combinations(`${fn}(default)`);

    test_invalid_selector(`${fn}(unset)`);

    test_invalid_selector_combinations(`${fn}(unset)`);

    test_invalid_selector(`${fn}(initial)`);

    test_invalid_selector_combinations(`${fn}(initial)`);

    test_invalid_selector(`${fn}(inherit)`);

    test_invalid_selector_combinations(`${fn}(inherit)`);

    test_invalid_selector(`${fn}(revert)`);

    test_invalid_selector_combinations(`${fn}(revert)`);

    test_invalid_selector(`${fn}(revert-layer)`);

    test_invalid_selector_combinations(`${fn}(revert-layer)`);

    // Test function with multiple arguments.

    test_invalid_selector(`${fn}(foo, bar)`);

    test_invalid_selector_combinations(`${fn}(foo, bar)`);

    test_invalid_selector(`${fn}(foo bar)`);

    test_invalid_selector_combinations(`${fn}(foo bar)`);

  // Test function with selector arguments.

    test_invalid_selector(`${fn}(#bar)`);

    test_invalid_selector_combinations(`${fn}(#bar)`);

</script>