1 files changed, 48 insertions, 0 deletions
diff --git a/dom/xslt/tests/mochitest/test_metaRefresh.html b/dom/xslt/tests/mochitest/test_metaRefresh.html
new file mode 100644
index 0000000000..21338bed82
--- /dev/null
+++ b/dom/xslt/tests/mochitest/test_metaRefresh.html
@@ -0,0 +1,48 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title><!-- TODO: insert title here --></title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
+  <script>
+    SimpleTest.waitForExplicitFinish();
+    SimpleTest.requestFlakyTimeout("Use a timeout to check that a load doesn't happen.");
+
+    async function runTest() {
+      function refreshed(frame) {
+        return new Promise((resolve) => {
+          frame.addEventListener("load", () => {
+            let timeout = setTimeout(() => {
+              resolve(false);
+            }, 5000);
+            frame.addEventListener("load", () => {
+              clearTimeout(timeout);
+              resolve(true);
+            }, { once: true });
+          }, { once: true });
+        });
+      }
+
+      let frame = document.getElementById("frame");
+      let result = refreshed(frame);
+      frame.src = "file_metaRefresh.xml";
+      is(await result, true, "Meta refresh should work in iframe document created by XSLT.");
+
+      let sandBoxedFrame = document.getElementById("sandBoxedFrame");
+      result = refreshed(sandBoxedFrame);
+      sandBoxedFrame.src = "file_metaRefresh.xml";
+      is(await result, false, "Meta refresh shouldn't work in sandboxed iframe document created by XSLT.");
+
+      SimpleTest.finish();
+    }
+  </script>
+</head>
+<body onload="runTest();">
+<p id="display"></p>
+<iframe id="frame"></iframe>
+<iframe sandbox="allow-same-origin" id="sandBoxedFrame"></iframe>
+<div id="content" style="display: none"></div>
+<pre id="test"></pre>
+</body>
+</html>