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
|
//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/misc.h"
#include "td/utils/Slice.h"
#include "td/utils/tests.h"
REGISTER_TESTS(string_cleaning);
using namespace td;
TEST(StringCleaning, clean_name) {
ASSERT_EQ("@mention", clean_name("@mention", 1000000));
ASSERT_EQ("@mention", clean_name(" @mention ", 1000000));
ASSERT_EQ("@MENTION", clean_name("@MENTION", 1000000));
ASSERT_EQ("ЛШТШФУМ", clean_name("ЛШТШФУМ", 1000000));
ASSERT_EQ("....", clean_name("....", 1000000));
ASSERT_EQ(". ASD ..", clean_name(". ASD ..", 1000000));
ASSERT_EQ(". ASD", clean_name(". ASD ..", 10));
ASSERT_EQ(". ASD", clean_name(".\n\n\nASD\n\n\n..", 10));
ASSERT_EQ("", clean_name("\n\n\n\n\n\n", 1000000));
ASSERT_EQ("", clean_name("\xC2\xA0\xC2\xA0\xC2\xA0\xC2\xA0\xC2\xA0\n\n\n\n\n\n \n\xC2\xA0 \xC2\xA0 \n", 100000));
ASSERT_EQ("abc", clean_name("\xC2\xA0\xC2\xA0"
"abc\xC2\xA0\xC2\xA0\xC2\xA0\xC2\xA0",
1000000));
};
TEST(StringCleaning, clean_username) {
ASSERT_EQ("@mention", clean_username("@mention"));
ASSERT_EQ("@mention", clean_username(" @mention "));
ASSERT_EQ("@mention", clean_username("@MENTION"));
ASSERT_EQ("ЛШТШФУМ", clean_username("ЛШТШФУМ"));
ASSERT_EQ("", clean_username("...."));
ASSERT_EQ("asd", clean_username(". ASD .."));
};
static void check_clean_input_string(string str, string expected, bool expected_result) {
auto result = clean_input_string(str);
ASSERT_EQ(expected_result, result);
if (result) {
ASSERT_EQ(expected, str);
}
}
TEST(StringCleaning, clean_input_string) {
check_clean_input_string("/abc", "/abc", true);
check_clean_input_string(string(50000, 'a'), string(34996, 'a'), true);
check_clean_input_string("\xff", "", false);
check_clean_input_string("\xc0\x80", "", false);
check_clean_input_string("\xd0", "", false);
check_clean_input_string("\xe0\xaf", "", false);
check_clean_input_string("\xf0\xa6", "", false);
check_clean_input_string("\xf0\xa6\x88", "", false);
check_clean_input_string("\xf4\x8f\xbf\xbf", "\xf4\x8f\xbf\xbf", true);
check_clean_input_string("\xf4\x8f\xbf\xc0", "", false);
check_clean_input_string("\r\r\r\r\r\r\r", "", true);
check_clean_input_string("\r\n\r\n\r\n\r\n\r\n\r\n\r", "\n\n\n\n\n\n", true);
check_clean_input_string(Slice("\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14"
"\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21")
.str(),
" \x0a \x21", true);
check_clean_input_string(
"\xe2\x80\xa7\xe2\x80\xa8\xe2\x80\xa9\xe2\x80\xaa\xe2\x80\xab\xe2\x80\xac\xe2\x80\xad\xe2\x80\xae\xe2\x80\xaf",
"\xe2\x80\xa7\xe2\x80\xaf", true);
check_clean_input_string("\xcc\xb3\xcc\xbf\xcc\x8a", "", true);
}
static void check_strip_empty_characters(string str, size_t max_length, string expected) {
ASSERT_EQ(expected, strip_empty_characters(str, max_length));
}
TEST(StringCleaning, strip_empty_characters) {
check_strip_empty_characters("/abc", 4, "/abc");
check_strip_empty_characters("/abc", 3, "/ab");
check_strip_empty_characters("/abc", 0, "");
check_strip_empty_characters("/abc", 10000000, "/abc");
string spaces =
u8"\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u200B\u202F\u205F\u3000\uFEFF"
u8"\uFFFC\uFFFC";
string spaces_replace = " ";
string empty = "\xE2\x80\x8C\xE2\x80\x8D\xE2\x80\xAE\xC2\xA0\xC2\xA0";
check_strip_empty_characters(spaces, 1000000, "");
check_strip_empty_characters(empty, 1000000, "");
check_strip_empty_characters(empty + "a", 1000000, empty + "a");
check_strip_empty_characters(spaces + empty + spaces + "abc" + spaces, 1000000, empty + spaces_replace + "abc");
check_strip_empty_characters(spaces + spaces + empty + spaces + spaces + empty + empty, 1000000,
empty + spaces_replace + spaces_replace + empty + empty);
check_strip_empty_characters("\r\r\r\r\r\r\r", 1000000, "");
check_strip_empty_characters("\r\n\r\n\r\n\r\n\r\n\r\n\r", 1000000, "");
check_strip_empty_characters(Slice(" \t\r\n\0\va\v\0\n\r\t ").str(), 1000000, "a");
check_strip_empty_characters(
Slice("\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14"
"\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21")
.str(),
1000000,
"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14"
"\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21");
check_strip_empty_characters("\xcc\xb3\xcc\xbf\xcc\x8a", 2, "\xcc\xb3\xcc\xbf");
check_strip_empty_characters(
"\xe2\x80\xa7\xe2\x80\xa8\xe2\x80\xa9\xe2\x80\xaa\xe2\x80\xab\xe2\x80\xac\xe2\x80\xad\xe2\x80\xae", 3,
"\xe2\x80\xa7\xe2\x80\xa8\xe2\x80\xa9");
}
|
