Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/tests/ppapi_test_example/ppapi_test_example.js

Index: ppapi/native_client/tests/ppapi_test_example/ppapi_test_example.js
===================================================================
--- ppapi/native_client/tests/ppapi_test_example/ppapi_test_example.js	(revision 0)
+++ ppapi/native_client/tests/ppapi_test_example/ppapi_test_example.js	(revision 0)
@@ -0,0 +1,41 @@
+// Copyright (c) 2011 The Native Client Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function setupTests(tester, plugin) {
+  // TODO(tester): replace with your tests.
+
+  // Below are sample test cases demonstrating postMessage as the test
+  // driving mechanism.
+
+  tester.addAsyncTest('Example::Simple', function(status) {
+    var messageListener = status.wrap(function(message) {
+      status.log('Received message: ' + message.data);
+      plugin.removeEventListener('message', messageListener, false);
+      status.assertEqual(message.data, 'TestSimple:PASSED');
+      status.pass();
+    });
+
+    plugin.addEventListener("message", messageListener, false);
+    plugin.postMessage("TestSimple");
+  });
+
+  tester.addAsyncTest('Example::Callback', function(status) {
+    var gotPassed = false;
+    var messageListener = status.wrap(function(message) {
+      status.log('Received message: ' + message.data);
+      plugin.removeEventListener('message', messageListener, false);
+      if (!gotPassed) {
+        status.assertEqual(message.data, 'TestCallback:PASSED');
+        gotPassed = true;
+        plugin.addEventListener("message", messageListener, false);
+      } else {
+        status.assertEqual(message.data, 'Callback');
+        status.pass();
+      }
+    });
+
+    plugin.addEventListener("message", messageListener, false);
+    plugin.postMessage("TestCallback");
+  });
+}