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+<!DOCTYPE html>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1091883
+-->
+<head>
+  <meta charset="utf-8">
+  <meta name="referrer" content="origin-when-cross-origin">
+  <title>Test for Bug 1091883</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<p><a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1091883">Mozilla Bug 1091883</a></p>
+<h2>Results</h2>
+<pre id="results">Running...</pre>
+
+<script>
+SimpleTest.waitForExplicitFinish();
+
+var origins = [
+  "http://mochi.test:8888", "http://example.com", "http://example.org"];
+var numOrigins = origins.length;
+
+// For each combination of (frame, subframe, target) origins, this test
+// includes a "frame" that includes a "subframe"; and then this test
+// navigates this "subframe" to the "target".  Both the referrer and
+// the triggering principal are this test, i.e., "http://mochi.test:8888".
+// Since the referrer policy is origin-when-cross-origin, we expect to have
+// a full referrer if and only if the target is also "http://mochi.test:8888";
+// in all other cases, the referrer needs to be the origin alone.
+var numTests = numOrigins * numOrigins * numOrigins;
+
+// Helpers to look up the approriate origins for a given test number.
+function getFrameOrigin(i) {
+  return origins[(i / (numOrigins * numOrigins)) | 0];
+}
+function getSubframeOrigin(i) {
+  return origins[((i / numOrigins) | 0) % 3];
+}
+function getTargetOrigin(i) {
+  return origins[i % 3];
+}
+
+// Create the frames, and tell them which subframes to load.
+for (let i = 0; i < numTests; i++) {
+  var frame = document.createElement("iframe");
+  frame.src = getFrameOrigin(i) +
+              "/tests/dom/base/test/file_bug1091883_frame.html#" +
+              getSubframeOrigin(i);
+  document.body.appendChild(frame);
+}
+
+// Navigate all subframes to the target.
+window.onload = function() {
+  for (let i = 0; i < numTests; i++) {
+    frames[i].frames[0].location = getTargetOrigin(i) +
+        "/tests/dom/base/test/file_bug1091883_target.html#" + i;
+  }
+};
+
+// Check referrer messages from the target.
+var results = {};
+function makeResultsKey(i) {
+  return i + ": " + getFrameOrigin(i) + " | " + getSubframeOrigin(i) + " -> " +
+         getTargetOrigin(i);
+}
+window.addEventListener("message", function(event) {
+  var out = event.data.split(" ");
+  var referrer = out[0];
+  var testRun = +out[1];
+  results[makeResultsKey(testRun)] = referrer;
+  if (event.origin == "http://mochi.test:8888") {
+    is(referrer.split("?")[0],
+       "http://mochi.test:8888/tests/dom/base/test/test_bug1091883.html",
+       "must be full referrer");
+  } else {
+    is(referrer, "http://mochi.test:8888/", "must be origin referrer");
+  }
+  if (Object.keys(results).length == numTests) {
+    document.getElementById("results").textContent =
+        JSON.stringify(results, null, 4);
+    SimpleTest.finish();
+  }
+});
+</script>
+
+</body>
+</html>