1 files changed, 64 insertions, 0 deletions
diff --git a/layout/reftests/mathml/displaystyle-3.html b/layout/reftests/mathml/displaystyle-3.html
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index 000000000..680aff6d1
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+++ b/layout/reftests/mathml/displaystyle-3.html
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+<!DOCTYPE html>
+<html class="reftest-wait">
+  <head>
+    <title>displaystyle</title>
+    <meta charset="utf-8"/>
+    <script type="text/javascript">
+      function doTest() {
+        document.getElementById("m1").setAttribute("displaystyle", "true");
+        document.getElementById("m2").setAttribute("displaystyle", "true");
+        document.getElementById("m3").setAttribute("displaystyle", "true");
+        document.getElementById("m4").removeAttribute("displaystyle");
+        document.getElementById("m5").removeAttribute("displaystyle");
+        document.getElementById("m6").removeAttribute("displaystyle");
+        document.documentElement.removeAttribute("class");
+      }
+      window.addEventListener("MozReftestInvalidate", doTest, false);
+    </script>
+  </head>
+  <body>
+
+    <!-- Test dynamic change of displaystyle -->
+    <math id="m1">
+      <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
+      <mfrac><mi>x</mi><mi>y</mi></mfrac>
+    </math>
+    <math>
+      <mstyle id="m2">
+        <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
+        <mfrac><mi>x</mi><mi>y</mi></mfrac>
+      </mstyle>
+    </math>
+    <math>
+      <mtable id="m3">
+        <mtr>
+          <mtd>
+            <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
+            <mfrac><mi>x</mi><mi>y</mi></mfrac>
+          </mtd>
+        </mtr>
+      </mtable>
+    </math>
+    <math id="m4" displaystyle="true">
+      <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
+      <mfrac><mi>x</mi><mi>y</mi></mfrac>
+    </math>
+    <math>
+      <mstyle id="m5" displaystyle="true">
+        <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
+        <mfrac><mi>x</mi><mi>y</mi></mfrac>
+      </mstyle>
+    </math>
+    <math>
+      <mtable id="m6" displaystyle="true">
+        <mtr>
+          <mtd>
+            <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
+            <mfrac><mi>x</mi><mi>y</mi></mfrac>
+          </mtd>
+        </mtr>
+      </mtable>
+    </math>
+
+  </body>
+</html>