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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/guest_view/browser/guest_view_manager.h"
#include <memory>
#include <utility>
#include "base/macros.h"
#include "components/guest_view/browser/guest_view_manager_delegate.h"
#include "components/guest_view/browser/test_guest_view_manager.h"
#include "content/public/test/test_renderer_host.h"
#include "content/public/test/web_contents_tester.h"
#include "testing/gtest/include/gtest/gtest.h"
using content::WebContents;
using content::WebContentsTester;
namespace guest_view {
namespace {
class GuestViewManagerTest : public content::RenderViewHostTestHarness {
public:
GuestViewManagerTest() {}
~GuestViewManagerTest() override {}
std::unique_ptr<WebContents> CreateWebContents() {
return std::unique_ptr<WebContents>(
WebContentsTester::CreateTestWebContents(browser_context(), nullptr));
}
private:
DISALLOW_COPY_AND_ASSIGN(GuestViewManagerTest);
};
} // namespace
TEST_F(GuestViewManagerTest, AddRemove) {
std::unique_ptr<GuestViewManagerDelegate> delegate(
new GuestViewManagerDelegate());
std::unique_ptr<TestGuestViewManager> manager(
new TestGuestViewManager(browser_context(), std::move(delegate)));
std::unique_ptr<WebContents> web_contents1(CreateWebContents());
std::unique_ptr<WebContents> web_contents2(CreateWebContents());
std::unique_ptr<WebContents> web_contents3(CreateWebContents());
EXPECT_EQ(0, manager->last_instance_id_removed());
EXPECT_TRUE(manager->CanUseGuestInstanceID(1));
EXPECT_TRUE(manager->CanUseGuestInstanceID(2));
EXPECT_TRUE(manager->CanUseGuestInstanceID(3));
manager->AddGuest(1, web_contents1.get());
manager->AddGuest(2, web_contents2.get());
manager->RemoveGuest(2);
// Since we removed 2, it would be an invalid ID.
EXPECT_TRUE(manager->CanUseGuestInstanceID(1));
EXPECT_FALSE(manager->CanUseGuestInstanceID(2));
EXPECT_TRUE(manager->CanUseGuestInstanceID(3));
EXPECT_EQ(0, manager->last_instance_id_removed());
EXPECT_TRUE(manager->CanUseGuestInstanceID(3));
manager->AddGuest(3, web_contents3.get());
manager->RemoveGuest(1);
EXPECT_FALSE(manager->CanUseGuestInstanceID(1));
EXPECT_FALSE(manager->CanUseGuestInstanceID(2));
EXPECT_EQ(2, manager->last_instance_id_removed());
manager->RemoveGuest(3);
EXPECT_EQ(3, manager->last_instance_id_removed());
EXPECT_FALSE(manager->CanUseGuestInstanceID(1));
EXPECT_FALSE(manager->CanUseGuestInstanceID(2));
EXPECT_FALSE(manager->CanUseGuestInstanceID(3));
EXPECT_EQ(0u, manager->GetNumRemovedInstanceIDs());
}
} // namespace guest_view
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