src/third_party/trace-viewer/trace_viewer/tracing/trace_model/object_snapshot_test.html

   1 <!DOCTYPE html>
   2 <!--
   3 Copyright (c) 2013 The Chromium Authors. All rights reserved.
   4 Use of this source code is governed by a BSD-style license that can be
   5 found in the LICENSE file.
   6 -->
   7
   8 <link rel="import" href="/tracing/trace_model/object_instance.html">
   9 <link rel="import" href="/tracing/trace_model/object_snapshot.html">
  10
  11 <script>
  12 'use strict';
  13
  14 tvcm.unittest.testSuite(function() {
  15   test('snapshotTypeRegistry', function() {
  16     function MySnapshot() {
  17       tracing.trace_model.ObjectSnapshot.apply(this, arguments);
  18       this.myFoo = this.args.foo;
  19     }
  20
  21     MySnapshot.prototype = {
  22       __proto__: tracing.trace_model.ObjectSnapshot.prototype
  23     };
  24
  25     var instance = new tracing.trace_model.ObjectInstance(
  26         {}, '0x1000', 'cat', 'MySnapshot', 10);
  27     try {
  28       tracing.trace_model.ObjectSnapshot.register('MySnapshot', MySnapshot);
  29       var snapshot = instance.addSnapshot(15, {foo: 'bar'});
  30       assertTrue(snapshot instanceof MySnapshot);
  31       assertEquals('bar', snapshot.myFoo);
  32     } finally {
  33       tracing.trace_model.ObjectSnapshot.unregister('MySnapshot');
  34     }
  35   });
  36 });
  37 </script>
  38