LibWeb: Validate operator count when parsing a calculation

Previously, we would allow calc values such as `calc(min(1 2))`, which
would be simplified to `calc(3)` because we assumed that numbers not
separated by an operator represented a sum. We now validate that the
number of operators we see is as we would expect before collecting
these values into a sum node.
This commit is contained in:
Tim Ledbetter
2025-06-30 14:07:30 +01:00
committed by Sam Atkins
parent 43778e9493
commit 78b6032940
Notes: github-actions[bot] 2025-07-02 09:14:07 +00:00
14 changed files with 646 additions and 12 deletions

View File

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<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-values-4/#comp-func">
<link rel="help" href="https://drafts.csswg.org/css-values-4/#time">
<link rel="help" href="https://drafts.csswg.org/css-values-4/#calc-type-checking">
<link rel="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../support/parsing-testcommon.js"></script>
<script>
function test_invalid_time(value) {
test_invalid_value('transition-delay', value);
}
// Syntax checking
test_invalid_time('min()');
test_invalid_time('min( )');
test_invalid_time('min(,)');
test_invalid_time('min(1mt)');
test_invalid_time('min(1s, )');
test_invalid_time('min(, 1s)');
test_invalid_time('min(1s + )');
test_invalid_time('min(1s - )');
test_invalid_time('min(1s * )');
test_invalid_time('min(1s / )');
test_invalid_time('min(1s 2s)');
test_invalid_time('min(1s, , 2s)');
test_invalid_time('max()');
test_invalid_time('max( )');
test_invalid_time('max(,)');
test_invalid_time('max(1dag)');
test_invalid_time('max(1s, )');
test_invalid_time('max(, 1s)');
test_invalid_time('max(1s + )');
test_invalid_time('max(1s - )');
test_invalid_time('max(1s * )');
test_invalid_time('max(1s / )');
test_invalid_time('max(1s 2s)');
test_invalid_time('max(1s, , 2s)');
// Type checking
test_invalid_time('min(0)');
test_invalid_time('min(0%)');
test_invalid_time('min(0px)');
test_invalid_time('min(0deg)');
test_invalid_time('min(0Hz)');
test_invalid_time('min(0dpi)');
test_invalid_time('min(0fr)');
test_invalid_time('min(1s, 0)');
test_invalid_time('min(1s, 0%)');
test_invalid_time('min(1s, 0px)');
test_invalid_time('min(1s, 0deg)');
test_invalid_time('min(1s, 0Hz)');
test_invalid_time('min(1s, 0dpi)');
test_invalid_time('min(1s, 0fr)');
test_invalid_time('max(0)');
test_invalid_time('max(0%)');
test_invalid_time('max(0px)');
test_invalid_time('max(0deg)');
test_invalid_time('max(0Hz)');
test_invalid_time('max(0dpi)');
test_invalid_time('max(0fr)');
test_invalid_time('max(1s, 0)');
test_invalid_time('max(1s, 0%)');
test_invalid_time('max(1s, 0px)');
test_invalid_time('max(1s, 0deg)');
test_invalid_time('max(1s, 0Hz)');
test_invalid_time('max(1s, 0dpi)');
test_invalid_time('max(1s, 0fr)');
</script>