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 <vector>
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "extensions/common/extension.h"
   9 #include "extensions/common/extension_set.h"
  10 #include "extensions/common/features/feature.h"
  11 #include "extensions/renderer/script_context.h"
  12 #include "extensions/renderer/script_context_set.h"
  13 #include "gin/public/context_holder.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "third_party/WebKit/public/web/WebLocalFrame.h"
  16 #include "third_party/WebKit/public/web/WebView.h"
  17 #include "v8/include/v8.h"
  18
  19 namespace extensions {
  20
  21 TEST(ScriptContextSetTest, Lifecycle) {
  22   base::MessageLoop loop;
  23
  24   blink::WebView* webview = blink::WebView::create(nullptr);
  25   blink::WebLocalFrame* frame =
  26       blink::WebLocalFrame::create(blink::WebTreeScopeType::Document, nullptr);
  27   webview->setMainFrame(frame);
  28
  29   // Do this after construction of the webview, since it may construct the
  30   // Isolate.
  31   v8::Isolate* isolate = v8::Isolate::GetCurrent();
  32
  33   v8::HandleScope handle_scope(isolate);
  34   v8::Local<v8::Context> v8_context = v8::Context::New(isolate);
  35   v8::Context::Scope context_scope(v8_context);
  36   // ScriptContext relies on gin, it just doesn't look like it from here.
  37   gin::ContextHolder context_holder(isolate);
  38   context_holder.SetContext(v8_context);
  39
  40   ExtensionSet extensions;
  41   ExtensionIdSet active_extensions;
  42   ScriptContextSet context_set(&extensions, &active_extensions);
  43   ScriptContext* context = context_set.Register(
  44       frame, v8_context, 0, 0);  // no extension group or world ID
  45
  46   // Context is valid and resembles correctness.
  47   EXPECT_TRUE(context->is_valid());
  48   EXPECT_EQ(frame, context->web_frame());
  49   EXPECT_EQ(v8_context, context->v8_context());
  50
  51   // Context has been correctly added.
  52   EXPECT_EQ(1u, context_set.size());
  53   EXPECT_EQ(context, context_set.GetByV8Context(v8_context));
  54
  55   // Test context is correctly removed.
  56   context_set.Remove(context);
  57   EXPECT_EQ(0u, context_set.size());
  58   EXPECT_EQ(nullptr, context_set.GetByV8Context(v8_context));
  59
  60   // After removal, the context should be marked for destruction.
  61   EXPECT_FALSE(context->is_valid());
  62
  63   // Run loop to do the actual deletion.
  64   loop.RunUntilIdle();
  65 }
  66
  67 }  // namespace extensions