1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chained_back_navigation_tracker.h"
#include "base/test/bind.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/navigation_simulator.h"
#include "net/dns/mock_host_resolver.h"
namespace chrome {
class ChainedBackNavigationTrackerBrowserTest : public InProcessBrowserTest {
public:
ChainedBackNavigationTrackerBrowserTest() = default;
ChainedBackNavigationTrackerBrowserTest(
const ChainedBackNavigationTrackerBrowserTest&) = delete;
ChainedBackNavigationTrackerBrowserTest& operator=(
const ChainedBackNavigationTrackerBrowserTest&) = delete;
~ChainedBackNavigationTrackerBrowserTest() override = default;
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
}
protected:
content::WebContents* web_contents() const {
return browser()->tab_strip_model()->GetActiveWebContents();
}
const uint32_t min_navigation_cnt_ =
ChainedBackNavigationTracker::kMinimumChainedBackNavigationLength;
const int64_t max_navigation_interval_ = ChainedBackNavigationTracker::
kMaxChainedBackNavigationIntervalInMilliseconds;
};
IN_PROC_BROWSER_TEST_F(ChainedBackNavigationTrackerBrowserTest,
SubframeBackNavigationIsCountedAsChained) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a1 = embedded_test_server()->GetURL("a1.com", "/title1.html");
GURL url_a2 = embedded_test_server()->GetURL("a2.com", "/title1.html");
GURL url_b = embedded_test_server()->GetURL("b.com", "/title1.html");
GURL url_c = embedded_test_server()->GetURL("c.com", "/title1.html");
ASSERT_TRUE(content::NavigateToURL(web_contents(), url_a1));
ASSERT_TRUE(content::NavigateToURL(web_contents(), url_a2));
ChainedBackNavigationTracker::CreateForWebContents(web_contents());
ChainedBackNavigationTracker* tracker =
ChainedBackNavigationTracker::FromWebContents(web_contents());
ASSERT_TRUE(tracker);
// The main frame back navigation should increment the count by 1.
ASSERT_TRUE(content::HistoryGoBack(web_contents()));
ASSERT_EQ(url_a1, web_contents()->GetLastCommittedURL());
ASSERT_EQ(1u, tracker->chained_back_navigation_count_);
// Create a subframe and append it to the document.
ASSERT_TRUE(
ExecJs(web_contents(),
content::JsReplace("let frame = document.createElement('iframe');"
"frame.src = $1;"
"document.body.appendChild(frame);",
url_b)));
ASSERT_TRUE(content::WaitForLoadStop(web_contents()));
content::RenderFrameHost* subframe_host =
ChildFrameAt(web_contents()->GetPrimaryMainFrame(), 0);
// Navigate the subframe away, the chained back navigation count should be
// reset to 0.
ASSERT_TRUE(content::ExecJs(
subframe_host, content::JsReplace("window.location.href = $1;", url_c)));
ASSERT_TRUE(content::WaitForLoadStop(web_contents()));
ASSERT_EQ(0u, tracker->chained_back_navigation_count_);
// The sub frame back navigation should increment the count by 1.
ASSERT_TRUE(content::HistoryGoBack(web_contents()));
ASSERT_EQ(1u, tracker->chained_back_navigation_count_);
}
IN_PROC_BROWSER_TEST_F(ChainedBackNavigationTrackerBrowserTest,
RendererInitiatedBackNavigationIsNotCountedAsChained) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a = embedded_test_server()->GetURL("a.com", "/title1.html");
GURL url_b = embedded_test_server()->GetURL("b.com", "/title1.html");
GURL url_c = embedded_test_server()->GetURL("c.com", "/title1.html");
GURL url_d = embedded_test_server()->GetURL("d.com", "/title1.html");
ASSERT_TRUE(content::NavigateToURL(web_contents(), url_a));
ASSERT_TRUE(content::NavigateToURL(web_contents(), url_b));
ASSERT_TRUE(content::NavigateToURL(web_contents(), url_c));
ASSERT_TRUE(content::NavigateToURL(web_contents(), url_d));
ChainedBackNavigationTracker::CreateForWebContents(web_contents());
ChainedBackNavigationTracker* tracker =
ChainedBackNavigationTracker::FromWebContents(web_contents());
ASSERT_TRUE(tracker);
// No back navigation is performed yet, the chain length should not be
// updated.
ASSERT_EQ(0u, tracker->chained_back_navigation_count_);
// The back navigation is renderer initiated, it should not increment the
// chain length.
ASSERT_TRUE(content::ExecJs(web_contents(), "window.history.back();"));
ASSERT_TRUE(content::WaitForLoadStop(web_contents()));
ASSERT_EQ(url_c, web_contents()->GetLastCommittedURL());
ASSERT_EQ(0u, tracker->chained_back_navigation_count_);
// The back navigation is browser initiated, it should increment the chain
// length.
ASSERT_TRUE(content::HistoryGoBack(web_contents()));
ASSERT_EQ(url_b, web_contents()->GetLastCommittedURL());
ASSERT_EQ(1u, tracker->chained_back_navigation_count_);
// The back navigation is renderer initiated, it should reset the chain
// length.
ASSERT_TRUE(content::ExecJs(web_contents(), "window.history.back();"));
ASSERT_TRUE(content::WaitForLoadStop(web_contents()));
ASSERT_EQ(url_a, web_contents()->GetLastCommittedURL());
ASSERT_EQ(0u, tracker->chained_back_navigation_count_);
}
} // namespace chrome
|
