1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/mathml/relations/css-styling/visibility-001.html b/testing/web-platform/tests/mathml/relations/css-styling/visibility-001.html
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index 0000000000..56bf7b7da2
--- /dev/null
+++ b/testing/web-platform/tests/mathml/relations/css-styling/visibility-001.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<meta charset="utf-8">
+<title>visibility</title>
+<link rel="help" href="https://w3c.github.io/mathml-core/#css-styling">
+<link rel="help" href="https://w3c.github.io/mathml-core/#text-mtext">
+<link rel="match" href="visibility-001-ref.html"/>
+<meta name="assert" content="Verify that visibility=hidden is used for the text of token elements.">
+</head>
+<body>
+  <p>Test passes if you see a green square.</p>
+  <div style="background: green; color: red; width: 200px; height: 200px;">
+    <math><mi style="visibility: hidden">1</mi></math>
+    <math><mn style="visibility: hidden">2</mn></math>
+    <math><mo style="visibility: hidden">3</mo></math>
+    <math><mtext style="visibility: hidden">4</mtext></math>
+    <math><ms style="visibility: hidden">5</ms></math>
+    <div id="dynamic">
+      <math><mi>1</mi></math>
+      <math><mn>2</mn></math>
+      <math><mo>3</mo></math>
+      <math><mtext>4</mtext></math>
+      <math><ms>5</ms></math>
+    </div>
+  </div>
+  <script>
+    window.addEventListener("load", () => {
+        document.getElementById("dynamic").style.visibility = "hidden";
+        document.documentElement.classList.remove("reftest-wait");
+    });
+  </script>
+</body>
+</html>