import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/network/tests/test_network_basics.html

@@ -0,0 +1,38 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test for Network API</title>
+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<p id="display"></p>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Network Information API **/
+function test() {
+  ok('connection' in navigator, "navigator.connection should exist");
+
+  ok(navigator.connection, "navigator.connection returns an object");
+
+  ok(navigator.connection instanceof EventTarget,
+     "navigator.connection is a EventTarget object");
+
+  ok('type' in navigator.connection,
+     "type should be a Connection attribute");
+  is(navigator.connection.type, "none",
+     "By default connection.type equals to none");
+
+  SimpleTest.finish();
+}
+
+SimpleTest.waitForExplicitFinish();
+SpecialPowers.pushPrefEnv({'set': [["dom.netinfo.enabled", true]]}, test);
+
+</script>
+</pre>
+</body>
+</html>