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
|
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/url_pattern_index/string_splitter.h"
#include <string>
#include <string_view>
#include <vector>
#include "testing/gtest/include/gtest/gtest.h"
namespace url_pattern_index {
namespace {
bool IsTestSeparator(char c) {
return c == ' ' || c == '\t' || c == ',';
}
}
TEST(StringSplitterTest, SplitWithEmptyResult) {
const char* const kStrings[] = {
"", " ", "\t", ",", " \t ", ",,,,", "\t\t\t",
};
for (const char* string : kStrings) {
auto splitter = CreateStringSplitter(string, IsTestSeparator);
// Explicitly verify both operator== and operator!=.
EXPECT_TRUE(splitter.begin() == splitter.end());
EXPECT_FALSE(splitter.begin() != splitter.end());
}
}
TEST(StringSplitterTest, SplitOneWord) {
const char* const kLongStrings[] = {
"word", " word ", " word", "word ", ",word,",
"\tword\t", " word ", "word ", " word", ", word, \t",
};
const char* const kShortStrings[] = {
"w", " w ", " w", "w ", " w ", " w", "w ", ", w, ", "w, \t",
};
const char kLongWord[] = "word";
const char kShortWord[] = "w";
auto expect_word = [](const char* text, const char* word) {
auto splitter = CreateStringSplitter(text, IsTestSeparator);
// Explicitly verify both operator== and operator!=.
EXPECT_TRUE(splitter.begin() != splitter.end());
EXPECT_FALSE(splitter.begin() == splitter.end());
EXPECT_EQ(splitter.end(), ++splitter.begin());
EXPECT_EQ(word, *splitter.begin());
auto iterator = splitter.begin();
EXPECT_EQ(splitter.begin(), iterator++);
EXPECT_EQ(splitter.end(), iterator);
};
for (const char* string : kLongStrings)
expect_word(string, kLongWord);
for (const char* string : kShortStrings)
expect_word(string, kShortWord);
}
TEST(StringSplitterTest, SplitThreeWords) {
const char* const kStrings[] = {
"one two three", " one two three ", " one two, three",
"one,two\t\t three", "one, two, three, ",
};
const std::vector<std::string_view> kResults = {
"one",
"two",
"three",
};
for (const char* string : kStrings) {
auto splitter = CreateStringSplitter(string, IsTestSeparator);
std::vector<std::string_view> tokens(splitter.begin(), splitter.end());
EXPECT_EQ(kResults, tokens);
}
}
} // namespace url_pattern_index
|
