chrome/renderer/extensions/chrome_v8_context_set_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/message_loop.h"
   6 #include "chrome/common/extensions/extension.h"
   7 #include "chrome/common/extensions/features/feature.h"
   8 #include "chrome/renderer/extensions/chrome_v8_context.h"
   9 #include "chrome/renderer/extensions/chrome_v8_context_set.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
  12 #include "v8/include/v8.h"
  13
  14 namespace extensions {
  15
  16 TEST(ChromeV8ContextSet, Lifecycle) {
  17   base::MessageLoop loop;
  18
  19   ChromeV8ContextSet context_set;
  20
  21   v8::HandleScope handle_scope;
  22   v8::Handle<v8::Context> v8_context(
  23       v8::Context::New(v8::Isolate::GetCurrent()));
  24
  25   // Dirty hack, but we don't actually need the frame, and this is easier than
  26   // creating a whole webview.
  27   WebKit::WebFrame* frame = reinterpret_cast<WebKit::WebFrame*>(1);
  28   const Extension* extension = NULL;
  29   ChromeV8Context* context = new ChromeV8Context(
  30       v8_context,
  31       frame,
  32       extension,
  33       Feature::BLESSED_EXTENSION_CONTEXT);
  34
  35   context_set.Add(context);
  36   EXPECT_EQ(1u, context_set.GetAll().count(context));
  37   EXPECT_EQ(context, context_set.GetByV8Context(context->v8_context()));
  38
  39   // Adding the same item multiple times should be OK and deduped.
  40   context_set.Add(context);
  41   EXPECT_EQ(1u, context_set.GetAll().count(context));
  42
  43   // GetAll() returns a copy so removing from one should not remove from others.
  44   ChromeV8ContextSet::ContextSet set_copy = context_set.GetAll();
  45   EXPECT_EQ(1u, set_copy.count(context));
  46
  47   context_set.Remove(context);
  48   EXPECT_EQ(0, context_set.size());
  49   EXPECT_FALSE(context_set.GetByV8Context(context->v8_context()));
  50   EXPECT_EQ(1u, set_copy.size());
  51
  52   // After removal, the context should be marked for destruction.
  53   EXPECT_FALSE(context->web_frame());
  54
  55   // Run loop to do the actual deletion.
  56   loop.RunUntilIdle();
  57 }
  58
  59 }  // namespace extensions