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Diffstat (limited to 'testing/web-platform/tests/css/css-scoping/slotted-invalidation.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-scoping/slotted-invalidation.html | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scoping/slotted-invalidation.html b/testing/web-platform/tests/css/css-scoping/slotted-invalidation.html new file mode 100644 index 0000000000..f8471062e1 --- /dev/null +++ b/testing/web-platform/tests/css/css-scoping/slotted-invalidation.html @@ -0,0 +1,35 @@ +<!doctype html> +<title>CSS Test: Style invalidation for ::slotted()</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org"> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<link rel="help" href="https://drafts.csswg.org/css-scoping/#slotted-pseudo"> +<div id="host"> + <div> + <span></span> + <span></span> + </div> + <div id="slotted"> + <span></span> + <span></span> + </div> + <div> + <span></span> + <span></span> + </div> +</div> +<script> +test(function() { + var root = host.attachShadow({"mode":"open"}); + root.innerHTML = '<style>.outer ::slotted(#slotted) { background-color: red } .outer .inner::slotted(#slotted) { background-color: green }</style><div id="outer"><slot id="inner"></slot></div>'; + + assert_equals(window.getComputedStyle(slotted).backgroundColor, "rgba(0, 0, 0, 0)"); + + root.querySelector("#outer").className = "outer"; + assert_equals(window.getComputedStyle(slotted).backgroundColor, "rgb(255, 0, 0)"); + + root.querySelector("#inner").className = "inner"; + assert_equals(window.getComputedStyle(slotted).backgroundColor, "rgb(0, 128, 0)"); +}) +</script> |