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-rw-r--r--testing/web-platform/tests/css/compositing/isolation/blend-isolation.html31
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diff --git a/testing/web-platform/tests/css/compositing/isolation/blend-isolation.html b/testing/web-platform/tests/css/compositing/isolation/blend-isolation.html
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+<!DOCTYPE html>
+<html>
+<head>
+ <title>CSS Compositing and Blending: isolation applied to a group containing blending</title>
+ <link rel="author" title="cabanier" href="mailto:cabanier@adobe.com">
+ <link rel="help" href="http://www.w3.org/TR/compositing-1/#isolation">
+ <meta name="assert" content="Isolation on a group with blending">
+<style>
+.a {
+ background-color: rgb(0,255,0);
+}
+#b {
+ width: 200px;
+ height: 210px;
+}
+.c {
+ width: 100px;
+ height: 100px;
+ mix-blend-mode: difference;
+}
+#d {
+ isolation: isolate;
+}
+</style>
+<p>Test passes if you see a solid green rectangle</p>
+<div id="b" class="a">
+ <div id="d">
+ <div class="a c"></div>
+ </div>
+</div>
+</html>