diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/css-syntax/anb-serialization.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-syntax/anb-serialization.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-syntax/anb-serialization.html | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-syntax/anb-serialization.html b/testing/web-platform/tests/css/css-syntax/anb-serialization.html new file mode 100644 index 0000000000..787700cebf --- /dev/null +++ b/testing/web-platform/tests/css/css-syntax/anb-serialization.html @@ -0,0 +1,62 @@ +<!doctype html> +<title>An+B Serialization</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<style> + +foo { color: blue; } + +</style> + +<meta name="author" title="Tab Atkins-Bittner"> +<link rel=help href="https://drafts.csswg.org/css-syntax/#serializing-anb"> + +<script> + +function roundtripANB(str) { + const rule = document.styleSheets[0].cssRules[0]; + rule.selectorText = "foo"; + rule.selectorText = `:nth-child(${str})`; + // Check for parse error. + if(rule.selectorText == "foo") return "parse error"; + return rule.selectorText.slice(11, -1); +} +function testANB(input, expected) { + test(()=>{ + assert_equals(roundtripANB(input), expected); + }, `"${input}" becomes "${expected}"`); +} + +/* A is 0, or omitted */ +testANB("1", "1"); +testANB("+1", "1"); +testANB("-1", "-1"); +testANB("0n + 0", "0"); +testANB("0n + 1", "1"); +testANB("0n - 1", "-1"); + +/* A is 1 */ +testANB("1n", "n"); +testANB("1n - 0", "n"); +testANB("1n + 1", "n+1"); +testANB("1n - 1", "n-1"); + +/* A is -1 */ +testANB("-1n", "-n"); +testANB("-1n - 0", "-n"); +testANB("-1n + 1", "-n+1"); +testANB("-1n - 1", "-n-1"); + +/* A is implied via + or - */ +testANB("+n+1", "n+1"); +testANB("-n-1", "-n-1"); + +/* B is 0 */ +testANB("n + 0", "n"); +testANB("n - 0", "n"); + +/* A & B both nonzero */ +testANB("2n + 2", "2n+2"); +testANB("-2n - 2", "-2n-2"); + +</script> |