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// Copyright 2013 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 "content/browser/renderer_host/render_process_host_impl.h"
#include "content/common/child_process_messages.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/test_notification_tracker.h"
#include "content/shell/browser/shell.h"
#include "content/test/content_browser_test.h"
#include "content/test/content_browser_test_utils.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
namespace content {
namespace {
int RenderProcessHostCount() {
content::RenderProcessHost::iterator hosts =
content::RenderProcessHost::AllHostsIterator();
int count = 0;
while (!hosts.IsAtEnd()) {
if (hosts.GetCurrentValue()->HasConnection())
count++;
hosts.Advance();
}
return count;
}
class RenderProcessHostTest : public ContentBrowserTest {};
// Sometimes the renderer process's ShutdownRequest (corresponding to the
// ViewMsg_WasSwappedOut from a previous navigation) doesn't arrive until after
// the browser process decides to re-use the renderer for a new purpose. This
// test makes sure the browser doesn't let the renderer die in that case. See
// http://crbug.com/87176.
IN_PROC_BROWSER_TEST_F(RenderProcessHostTest,
ShutdownRequestFromActiveTabIgnored) {
ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
GURL test_url = embedded_test_server()->GetURL("/simple_page.html");
NavigateToURL(shell(), test_url);
RenderProcessHost* rph =
shell()->web_contents()->GetRenderViewHost()->GetProcess();
TestNotificationTracker termination_watcher;
termination_watcher.ListenFor(NOTIFICATION_RENDERER_PROCESS_CLOSED,
Source<RenderProcessHost>(rph));
ChildProcessHostMsg_ShutdownRequest msg;
rph->OnMessageReceived(msg);
// If the RPH sends a mistaken ChildProcessMsg_Shutdown, the renderer process
// will take some time to die. Wait for a second tab to load in order to give
// that time to happen.
NavigateToURL(CreateBrowser(), test_url);
EXPECT_EQ(0U, termination_watcher.size());
}
IN_PROC_BROWSER_TEST_F(RenderProcessHostTest,
GuestsAreNotSuitableHosts) {
// Set max renderers to 1 to force running out of processes.
content::RenderProcessHost::SetMaxRendererProcessCount(1);
ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
GURL test_url = embedded_test_server()->GetURL("/simple_page.html");
NavigateToURL(shell(), test_url);
RenderProcessHost* rph =
shell()->web_contents()->GetRenderViewHost()->GetProcess();
// Make it believe it's a guest.
reinterpret_cast<RenderProcessHostImpl*>(rph)->SetIsGuestForTesting(true);
EXPECT_EQ(1, RenderProcessHostCount());
// Navigate to a different page.
GURL::Replacements replace_host;
std::string host_str("localhost"); // Must stay in scope with replace_host.
replace_host.SetHostStr(host_str);
GURL another_url = embedded_test_server()->GetURL("/simple_page.html");
another_url = another_url.ReplaceComponents(replace_host);
NavigateToURL(CreateBrowser(), another_url);
// Expect that we got another process (the guest renderer was not reused).
EXPECT_EQ(2, RenderProcessHostCount());
}
} // namespace
} // namespace content
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