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diff --git a/testing/web-platform/tests/webrtc/datachannel-emptystring.html b/testing/web-platform/tests/webrtc/datachannel-emptystring.html
new file mode 100644
index 000000000..6af436a1d
--- /dev/null
+++ b/testing/web-platform/tests/webrtc/datachannel-emptystring.html
@@ -0,0 +1,108 @@
+<!doctype html>
+<!--
+This test creates a data channel between two local PeerConnection instances
+and ensures that an empty string sent by one is received by the second.
+-->
+
+<html>
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+  <title>RTCPeerConnection Data Channel Empty String Test</title>
+</head>
+<body>
+  <div id="log"></div>
+  <h2>Messages exchanged</h2>
+  <div id="msg"></div>
+
+  <!-- These files are in place when executing on W3C. -->
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script type="text/javascript">
+  var test = async_test('Can send empty strings across a WebRTC data channel.');
+
+  var gFirstConnection = null;
+  var gSecondConnection = null;
+  var sendChannel = null;
+  var receiveChannel = null;
+
+  var onReceiveChannel = function (event) {
+    receiveChannel = event.channel;
+    receiveChannel.onmessage = onReceiveMessage;
+  };
+
+
+  // When the data channel is open, send an empty string message
+  // followed by a message that contains the string "done".
+  var onSendChannelOpen = test.step_func(function (event) {
+    var msgEl = document.getElementById('msg');
+    sendChannel.send('');
+    msgEl.innerHTML += 'Sent: [empty string]<br>';
+    sendChannel.send('done');
+    msgEl.innerHTML += 'Sent: "done"<br>';
+  });
+
+  // Check the messages received on the other side.
+  // There should be an empty string message followed by a message that
+  // contains the string "done".
+  // Pass/Fail the test according to the messages received
+  var emptyMessageReceived = false;
+  var onReceiveMessage = test.step_func(function (event) {
+    var msgEl = document.getElementById('msg');
+    msgEl.innerHTML += 'Received: ' +
+        (event.data ? '"' + event.data + '"' : '[empty string]') + '<br>';
+    if (emptyMessageReceived) {
+      assert_equals(event.data, 'done', 'The "done" message was not received');
+      test.done();
+    }
+    else {
+      assert_equals(event.data, '', 'Empty message not received');
+      emptyMessageReceived = true;
+    }
+  });
+
+  function exchangeIce(pc) {
+     return function(e) {
+       if (e.candidate) {
+          pc.addIceCandidate(e.candidate);
+       }
+     };
+  }
+
+  function exchangeDescription(pc1, pc2) {
+     return function() {
+       return pc1.setRemoteDescription(pc2.localDescription);
+     };
+  }
+
+  test.step(function() {
+    gFirstConnection = new RTCPeerConnection(null);
+
+    gSecondConnection = new RTCPeerConnection(null);
+
+    gFirstConnection.onicecandidate = exchangeIce(gSecondConnection);
+    gSecondConnection.onicecandidate = exchangeIce(gFirstConnection);
+
+    gSecondConnection.ondatachannel = onReceiveChannel;
+
+    // Note the data channel will preserve the order of messages
+    // exchanged over it by default.
+    sendChannel = gFirstConnection.createDataChannel('sendDataChannel');
+    sendChannel.onopen = onSendChannelOpen;
+
+    gFirstConnection.createOffer()
+    .then(gFirstConnection.setLocalDescription.bind(gFirstConnection))
+    .then(exchangeDescription(gSecondConnection, gFirstConnection))
+    .then(function() {
+      return gSecondConnection.createAnswer();
+    })
+    .then(gSecondConnection.setLocalDescription.bind(gSecondConnection))
+    .then(exchangeDescription(gFirstConnection, gSecondConnection))
+    .catch(test.step_func(function(e) {
+      assert_unreached('Error ' + e.name + ': ' + e.message);
+     }));
+  });
+</script>
+
+</body>
+</html>
+