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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/css/selectors/only-child.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/selectors/only-child.html')
| -rw-r--r-- | testing/web-platform/tests/css/selectors/only-child.html | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/selectors/only-child.html b/testing/web-platform/tests/css/selectors/only-child.html new file mode 100644 index 0000000000..590c07ba2b --- /dev/null +++ b/testing/web-platform/tests/css/selectors/only-child.html @@ -0,0 +1,61 @@ +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>CSS Selectors :only-child</title> +<link rel="help" href="https://drafts.csswg.org/selectors-4/#the-only-child-pseudo"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<!-- + See also child-indexed-pseudo-class.html. +--> +<body> + +<div> + <div id="target1">Whitespace nodes should be ignored.</div> +</div> + +<div> + <div id="target2">A comment node should be ignored.</div> + <!-- --> +</div> + +<div> + <div id="target3">Non-whitespace text node should be ignored.</div> + . +</div> + +<div> + <blockquote></blockquote> + <div id="target4" data-expected="false">There is another child element.</div> +</div> + +<div> + <div id="target5"></div> +</div> + +<script> +for (let i = 1; i <= 4; ++i) { + let target = document.querySelector(`#target${i}`); + test(() => { + if (target.dataset.expected == 'false') + assert_false(target.matches(':only-child')); + else + assert_true(target.matches(':only-child')); + }, target.textContent); +} + +test(() => { + const target = document.querySelector('#target5'); + assert_true(target.matches(':only-child')); + + const another = target.parentNode.appendChild(document.createElement('div')); + assert_false(target.matches(':only-child')); + assert_false(another.matches(':only-child')); + + another.remove(); + assert_true(target.matches(':only-child')); +}, 'Dynamic addition and removal'); + +</script> + |