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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "chrome/browser/history/visit_tracker.h"
#include "base/basictypes.h"
#include "testing/gtest/include/gtest/gtest.h"
using history::VisitTracker;
namespace {
struct VisitToTest {
// Identifies the host, we'll cast this to a pointer when querying (the
// tracker isn't allowed to dereference this pointer).
int host;
int32 page_id;
// Used when adding this to the tracker
const char* url;
const history::VisitID visit_id;
// Used when finding the referrer
const char* referrer;
// the correct referring visit ID to compare to the computed one
history::VisitID referring_visit_id;
};
// The tracker uses RenderProcessHost pointers for scoping but never
// dereferences them. We use ints because it's easier. This function converts
// between the two.
void* MakeFakeHost(int id) {
void* host = 0;
memcpy(&host, &id, sizeof(int));
return host;
}
void RunTest(VisitTracker* tracker, VisitToTest* test, int test_count) {
for (int i = 0; i < test_count; i++) {
// Our host pointer is actually just an int, convert it (it will not get
// dereferenced).
void* host = MakeFakeHost(test[i].host);
// Check the referrer for this visit.
history::VisitID ref_visit = tracker->GetLastVisit(
host, test[i].page_id, GURL(test[i].referrer));
EXPECT_EQ(test[i].referring_visit_id, ref_visit);
// Now add this visit.
tracker->AddVisit(host, test[i].page_id, GURL(test[i].url),
test[i].visit_id);
}
}
} // namespace
// A simple test that makes sure we transition between main pages in the
// presence of back/forward.
TEST(VisitTracker, SimpleTransitions) {
VisitToTest test_simple[] = {
// Started here:
{1, 1, "http://www.google.com/", 1, "", 0},
// Clicked a link:
{1, 2, "http://images.google.com/", 2, "http://www.google.com/", 1},
// Went back, then clicked a link:
{1, 3, "http://video.google.com/", 3, "http://www.google.com/", 1},
};
VisitTracker tracker;
RunTest(&tracker, test_simple, arraysize(test_simple));
}
// Test that referrer is properly computed when there are different frame
// navigations happening.
TEST(VisitTracker, Frames) {
VisitToTest test_frames[] = {
// Started here:
{1, 1, "http://foo.com/", 1, "", 0},
// Which had an auto-loaded subframe:
{1, 1, "http://foo.com/ad.html", 2, "http://foo.com/", 1},
// ...and another auto-loaded subframe:
{1, 1, "http://foo.com/ad2.html", 3, "http://foo.com/", 1},
// ...and the user navigated the first subframe to somwhere else
{1, 2, "http://bar.com/", 4, "http://foo.com/ad.html", 2},
// ...and then the second subframe somewhere else
{1, 3, "http://fud.com/", 5, "http://foo.com/ad2.html",3},
// ...and then the main frame somewhere else.
{1, 4, "http://www.google.com/", 6, "http://foo.com/", 1},
};
VisitTracker tracker;
RunTest(&tracker, test_frames, arraysize(test_frames));
}
// Test frame navigation to make sure that the referrer is properly computed
// when there are multiple processes navigating the same pages.
TEST(VisitTracker, MultiProcess) {
VisitToTest test_processes[] = {
// Process 1 and 2 start here:
{1, 1, "http://foo.com/", 1, "", 0},
{2, 1, "http://foo.com/", 2, "", 0},
// They have some subframes:
{1, 1, "http://foo.com/ad.html", 3, "http://foo.com/", 1},
{2, 1, "http://foo.com/ad.html", 4, "http://foo.com/", 2},
// Subframes are navigated:
{1, 2, "http://bar.com/", 5, "http://foo.com/ad.html", 3},
{2, 2, "http://bar.com/", 6, "http://foo.com/ad.html", 4},
// Main frame is navigated:
{1, 3, "http://www.google.com/", 7, "http://foo.com/", 1},
{2, 3, "http://www.google.com/", 8, "http://foo.com/", 2},
};
VisitTracker tracker;
RunTest(&tracker, test_processes, arraysize(test_processes));
}
// Test that processes get removed properly.
TEST(VisitTracker, ProcessRemove) {
// Simple navigation from one process.
VisitToTest part1[] = {
{1, 1, "http://www.google.com/", 1, "", 0},
{1, 2, "http://images.google.com/", 2, "http://www.google.com/", 1},
};
VisitTracker tracker;
RunTest(&tracker, part1, arraysize(part1));
// Say that process has been destroyed.
tracker.NotifyRenderProcessHostDestruction(MakeFakeHost(1));
// Simple navigation from a new process with the same ID, it should not find
// a referrer.
VisitToTest part2[] = {
{1, 1, "http://images.google.com/", 2, "http://www.google.com/", 0},
};
RunTest(&tracker, part2, arraysize(part2));
}
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