| <!doctype html> |
| <title>CSS Variables Test: Exponential blowup doesn't crash</title> |
| <meta charset="UTF-8"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> |
| <link rel="author" href="https://mozilla.org" title="Mozilla"> |
| <link rel="help" href="https://drafts.csswg.org/css-variables/"> |
| <script> |
| let css = ` |
| --v0: "Something really really really long"; |
| `; |
| for (let i = 0; i < 31; ++i) |
| css += `--v${i + 1}: var(--v${i}) var(--v${i});`; |
| let s = document.createElement("style"); |
| s.innerHTML = ` |
| :root { ${css}; } |
| :root::before { content: var(--v31); } |
| `; |
| document.head.appendChild(s); |
| </script> |
| PASS if doesn't crash |
| <script> |
| test(function() { |
| getComputedStyle(document.documentElement, "::before").content; |
| assert_true(true, "Didn't crash"); |
| }); |
| </script> |
