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// Copyright 2015 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 "mandoline/ui/browser/browser.h"
#include "base/run_loop.h"
#include "components/view_manager/public/cpp/view.h"
#include "mandoline/ui/browser/browser_delegate.h"
#include "mojo/application/public/cpp/application_connection.h"
#include "mojo/application/public/cpp/application_delegate.h"
#include "mojo/application/public/cpp/application_impl.h"
#include "mojo/application/public/cpp/application_test_base.h"
namespace mandoline {
class TestBrowser : public Browser {
public:
TestBrowser(mojo::ApplicationImpl* app, BrowserDelegate* delegate)
: Browser(app, delegate) {}
~TestBrowser() override {}
void WaitForOnEmbed() {
if (root_)
return;
embed_run_loop_.reset(new base::RunLoop);
embed_run_loop_->Run();
embed_run_loop_.reset();
}
mojo::View* root() { return root_; }
private:
// Overridden from Browser:
void OnEmbed(mojo::View* root) override {
// Don't call the base class because we don't want to navigate.
CHECK(!root_);
root_ = root;
if (embed_run_loop_)
embed_run_loop_->Quit();
}
// If non-null we're waiting for OnEmbed() using this RunLoop.
scoped_ptr<base::RunLoop> embed_run_loop_;
MOJO_DISALLOW_COPY_AND_ASSIGN(TestBrowser);
};
class BrowserTest : public mojo::test::ApplicationTestBase,
public mojo::ApplicationDelegate,
public BrowserDelegate {
public:
BrowserTest()
: app_(nullptr),
last_closed_connection_(nullptr),
last_browser_closed_(nullptr) {}
// Creates a new Browser object.
TestBrowser* CreateBrowser() {
if (!app_)
return nullptr;
TestBrowser* browser = new TestBrowser(app_, this);
browsers_.insert(browser);
return browser;
}
TestBrowser* WaitForBrowserClosed() {
if (!last_browser_closed_) {
browser_closed_run_loop_.reset(new base::RunLoop);
browser_closed_run_loop_->Run();
browser_closed_run_loop_.reset();
}
TestBrowser* last_browser = last_browser_closed_;
last_browser_closed_ = nullptr;
return last_browser;
}
// Returns the last ApplicationConnection closed.
void* last_closed_connection() {
return last_closed_connection_;
}
// Overridden from ApplicationDelegate:
void Initialize(mojo::ApplicationImpl* app) override {
app_ = app;
}
void OnWillCloseConnection(mojo::ApplicationConnection* connection) override {
// WARNING: DO NOT FOLLOW THIS POINTER. IT WILL BE DESTROYED.
last_closed_connection_ = connection;
}
// ApplicationTestBase:
ApplicationDelegate* GetApplicationDelegate() override { return this; }
// Overridden from BrowserDelegate:
void BrowserClosed(Browser* browser) override {
scoped_ptr<Browser> browser_owner(browser);
TestBrowser* test_browser = static_cast<TestBrowser*>(browser);
DCHECK_GT(browsers_.count(test_browser), 0u);
browsers_.erase(test_browser);
last_browser_closed_ = test_browser;
if (browser_closed_run_loop_) {
browser_owner.reset();
browser_closed_run_loop_->Quit();
}
}
bool InitUIIfNecessary(Browser* browser, mojo::View* root_view) override {
return true;
}
private:
mojo::ApplicationImpl* app_;
void* last_closed_connection_;
std::set<TestBrowser*> browsers_;
TestBrowser* last_browser_closed_;
scoped_ptr<base::RunLoop> browser_closed_run_loop_;
MOJO_DISALLOW_COPY_AND_ASSIGN(BrowserTest);
};
// This test verifies that closing a Browser closes the associated application
// connection with the view manager.
TEST_F(BrowserTest, ClosingBrowserClosesAppConnection) {
Browser* browser = CreateBrowser();
ASSERT_NE(nullptr, browser);
mojo::ApplicationConnection* view_manager_connection =
browser->view_manager_init_.connection();
ASSERT_NE(nullptr, view_manager_connection);
BrowserClosed(browser);
EXPECT_EQ(last_closed_connection(), view_manager_connection);
}
// This test verifies that we can create two Browsers and each Browser has a
// different AppliationConnection and different root view.
TEST_F(BrowserTest, TwoBrowsers) {
TestBrowser* browser1 = CreateBrowser();
mojo::ApplicationConnection* browser1_connection =
browser1->view_manager_init_.connection();
ASSERT_NE(nullptr, browser1);
browser1->WaitForOnEmbed();
TestBrowser* browser2 = CreateBrowser();
mojo::ApplicationConnection* browser2_connection =
browser2->view_manager_init_.connection();
ASSERT_NE(nullptr, browser2);
browser2->WaitForOnEmbed();
// Verify that we have two different connections to the ViewManager.
ASSERT_NE(browser1_connection, browser2_connection);
// Verify that we have two different root nodes.
ASSERT_NE(browser1->root(), browser2->root());
// Deleting the view manager closes the connection.
delete browser1->root()->view_manager();
EXPECT_EQ(browser1, WaitForBrowserClosed());
delete browser2->root()->view_manager();
EXPECT_EQ(browser2, WaitForBrowserClosed());
}
} // namespace mandoline
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