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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
// 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 "components/url_matcher/substring_set_matcher.h"
#include <set>
#include <string>
#include <vector>
#include "testing/gtest/include/gtest/gtest.h"
namespace url_matcher {
namespace {
void TestOnePattern(const std::string& test_string,
const std::string& pattern,
bool is_match) {
std::string test =
"TestOnePattern(" + test_string + ", " + pattern + ", " +
(is_match ? "1" : "0") + ")";
std::vector<const StringPattern*> patterns;
StringPattern substring_pattern(pattern, 1);
patterns.push_back(&substring_pattern);
SubstringSetMatcher matcher;
matcher.RegisterPatterns(patterns);
std::set<int> matches;
matcher.Match(test_string, &matches);
size_t expected_matches = (is_match ? 1 : 0);
EXPECT_EQ(expected_matches, matches.size()) << test;
EXPECT_EQ(is_match, matches.find(1) != matches.end()) << test;
}
void TestTwoPatterns(const std::string& test_string,
const std::string& pattern_1,
const std::string& pattern_2,
bool is_match_1,
bool is_match_2) {
std::string test =
"TestTwoPatterns(" + test_string + ", " + pattern_1 + ", " + pattern_2 +
", " + (is_match_1 ? "1" : "0") + ", " + (is_match_2 ? "1" : "0") + ")";
StringPattern substring_pattern_1(pattern_1, 1);
StringPattern substring_pattern_2(pattern_2, 2);
// In order to make sure that the order in which patterns are registered
// does not make any difference we try both permutations.
for (int permutation = 0; permutation < 2; ++permutation) {
std::vector<const StringPattern*> patterns;
if (permutation == 0) {
patterns.push_back(&substring_pattern_1);
patterns.push_back(&substring_pattern_2);
} else {
patterns.push_back(&substring_pattern_2);
patterns.push_back(&substring_pattern_1);
}
SubstringSetMatcher matcher;
matcher.RegisterPatterns(patterns);
std::set<int> matches;
matcher.Match(test_string, &matches);
size_t expected_matches = (is_match_1 ? 1 : 0) + (is_match_2 ? 1 : 0);
EXPECT_EQ(expected_matches, matches.size()) << test;
EXPECT_EQ(is_match_1, matches.find(1) != matches.end()) << test;
EXPECT_EQ(is_match_2, matches.find(2) != matches.end()) << test;
}
}
} // namespace
TEST(SubstringSetMatcherTest, TestMatcher) {
// Test overlapping patterns
// String abcde
// Pattern 1 bc
// Pattern 2 cd
TestTwoPatterns("abcde", "bc", "cd", true, true);
// Test subpatterns - part 1
// String abcde
// Pattern 1 bc
// Pattern 2 b
TestTwoPatterns("abcde", "bc", "b", true, true);
// Test subpatterns - part 2
// String abcde
// Pattern 1 bc
// Pattern 2 c
TestTwoPatterns("abcde", "bc", "c", true, true);
// Test identical matches
// String abcde
// Pattern 1 abcde
TestOnePattern("abcde", "abcde", true);
// Test multiple matches
// String aaaaa
// Pattern 1 a
TestOnePattern("abcde", "a", true);
// Test matches at beginning and end
// String abcde
// Pattern 1 ab
// Pattern 2 de
TestTwoPatterns("abcde", "ab", "de", true, true);
// Test duplicate patterns with different IDs
// String abcde
// Pattern 1 bc
// Pattern 2 bc
TestTwoPatterns("abcde", "bc", "bc", true, true);
// Test non-match
// String abcde
// Pattern 1 fg
TestOnePattern("abcde", "fg", false);
// Test empty pattern and too long pattern
// String abcde
// Pattern 1
// Pattern 2 abcdef
TestTwoPatterns("abcde", std::string(), "abcdef", true, false);
}
TEST(SubstringSetMatcherTest, RegisterAndRemove) {
SubstringSetMatcher matcher;
StringPattern pattern_1("a", 1);
StringPattern pattern_2("b", 2);
StringPattern pattern_3("c", 3);
std::vector<const StringPattern*> patterns;
patterns.push_back(&pattern_1);
matcher.RegisterPatterns(patterns);
patterns.clear();
patterns.push_back(&pattern_2);
patterns.push_back(&pattern_3);
matcher.RegisterPatterns(patterns);
std::set<int> matches;
matcher.Match("abd", &matches);
EXPECT_EQ(2u, matches.size());
EXPECT_TRUE(matches.end() != matches.find(1));
EXPECT_TRUE(matches.end() != matches.find(2));
patterns.clear();
patterns.push_back(&pattern_2);
matcher.UnregisterPatterns(patterns);
matches.clear();
matcher.Match("abd", &matches);
EXPECT_EQ(1u, matches.size());
EXPECT_TRUE(matches.end() != matches.find(1));
EXPECT_TRUE(matches.end() == matches.find(2));
patterns.clear();
patterns.push_back(&pattern_1);
patterns.push_back(&pattern_3);
matcher.UnregisterPatterns(patterns);
EXPECT_TRUE(matcher.IsEmpty());
}
TEST(SubstringSetMatcherTest, TestEmptyMatcher) {
SubstringSetMatcher matcher;
std::set<int> matches;
matcher.Match("abd", &matches);
EXPECT_TRUE(matches.empty());
}
} // namespace url_matcher
|
