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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-break/page-break-legacy-shorthands.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-break/page-break-legacy-shorthands.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-break/page-break-legacy-shorthands.html | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-break/page-break-legacy-shorthands.html b/testing/web-platform/tests/css/css-break/page-break-legacy-shorthands.html new file mode 100644 index 0000000000..7eaa18f543 --- /dev/null +++ b/testing/web-platform/tests/css/css-break/page-break-legacy-shorthands.html @@ -0,0 +1,75 @@ +<!doctype html> +<meta charset="utf-8"> +<title>Test for the page-break-* legacy shorthands.</title> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<link rel="author" title="Mozilla" href="https://mozilla.org"> +<link rel="help" href="https://drafts.csswg.org/css-cascade-4/#legacy-shorthand"> +<link rel="help" href="https://drafts.csswg.org/css-break/#page-break-properties"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div></div> +<script> +const NEW_VALUES = ["page", "column"].filter(v => CSS.supports("break-before", v)); +const LEGACY_VALUES = ["always", "auto", "left", "right", "avoid"]; +const LEGACY_MAPPING = { "always": "page" }; +const REVERSE_LEGACY_MAPPING = { "page": "always" }; +const div = document.querySelector("div"); +const cs = getComputedStyle(div); + +test(function() { + for (const property of ["break-before", "break-after"]) { + for (const val of LEGACY_VALUES) { + const mapped_value = LEGACY_MAPPING[val] || val; + + div.style["page-" + property] = val; + + assert_equals(div.style["page-" + property], val); + assert_equals(div.style[property], mapped_value); + assert_equals(cs.getPropertyValue("page-" + property), val); + assert_equals(cs.getPropertyValue(property), mapped_value); + assert_not_equals(div.style.cssText.indexOf(property + ": " + mapped_value + ";"), -1); + assert_equals(div.style.cssText.indexOf("page-" + property), -1, + "Legacy shorthands don't appear in cssText"); + } + } +}, "Legacy values of the shorthands work as expected") + +test(function() { + for (const property of ["break-before", "break-after"]) { + for (const val of NEW_VALUES) { + const mapped_value = REVERSE_LEGACY_MAPPING[val] || ""; + + div.style[property] = val; + + assert_equals(div.style[property], val); + assert_equals(div.style["page-" + property], mapped_value); + assert_equals(cs.getPropertyValue("page-" + property), mapped_value); + assert_equals(cs.getPropertyValue(property), val); + } + } +}, "New values work on the new longhands, but serialize to the empty string in the legacy shorthands"); + +test(function() { + for (const property of ["break-before", "break-after"]) { + for (const val of NEW_VALUES) { + div.style["page-" + property] = ""; + div.style["page-" + property] = val; + assert_equals(div.style["page-" + property], ""); + assert_equals(div.style[property], ""); + assert_equals(cs.getPropertyValue("page-" + property), "auto"); + assert_equals(cs.getPropertyValue(property), "auto"); + } + } +}, "New values of the break longhands don't work on legacy shorthands"); + +// See https://github.com/w3c/csswg-drafts/issues/3332 +test(function() { + for (const property of ["break-before", "break-after"]) { + div.style["page-" + property] = "var(--a)"; + + assert_equals(div.style["page-" + property], "var(--a)"); + assert_equals(div.style[property], ""); + assert_equals(div.style.cssText.indexOf("page-" + property), -1); + } +}, "Legacy shorthands really never appear on cssText, even when there are variable references"); +</script> |