extensions/renderer/script_context_set_unittest.cc

   1 // Copyright 2014 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/message_loop.h"
   6 #include "extensions/common/extension.h"
   7 #include "extensions/common/features/feature.h"
   8 #include "extensions/renderer/script_context.h"
   9 #include "extensions/renderer/script_context_set.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "third_party/WebKit/public/web/WebFrame.h"
  12 #include "v8/include/v8.h"
  13
  14 namespace extensions {
  15
  16 TEST(ScriptContextSet, Lifecycle) {
  17   base::MessageLoop loop;
  18
  19   ScriptContextSet context_set;
  20
  21   v8::Isolate* isolate = v8::Isolate::GetCurrent();
  22   v8::HandleScope handle_scope(isolate);
  23   v8::Handle<v8::Context> v8_context(v8::Context::New(isolate));
  24
  25   // Dirty hack, but we don't actually need the frame, and this is easier than
  26   // creating a whole webview.
  27   blink::WebFrame* frame = reinterpret_cast<blink::WebFrame*>(1);
  28   const Extension* extension = NULL;
  29   ScriptContext* context = new ScriptContext(
  30       v8_context, frame, extension, Feature::BLESSED_EXTENSION_CONTEXT);
  31
  32   context_set.Add(context);
  33   EXPECT_EQ(1u, context_set.GetAll().count(context));
  34   EXPECT_EQ(context, context_set.GetByV8Context(context->v8_context()));
  35
  36   // Adding the same item multiple times should be OK and deduped.
  37   context_set.Add(context);
  38   EXPECT_EQ(1u, context_set.GetAll().count(context));
  39
  40   // GetAll() returns a copy so removing from one should not remove from others.
  41   ScriptContextSet::ContextSet set_copy = context_set.GetAll();
  42   EXPECT_EQ(1u, set_copy.count(context));
  43
  44   context_set.Remove(context);
  45   EXPECT_EQ(0, context_set.size());
  46   EXPECT_FALSE(context_set.GetByV8Context(context->v8_context()));
  47   EXPECT_EQ(1u, set_copy.size());
  48
  49   // After removal, the context should be marked for destruction.
  50   EXPECT_FALSE(context->web_frame());
  51
  52   // Run loop to do the actual deletion.
  53   loop.RunUntilIdle();
  54 }
  55
  56 }  // namespace extensions