ddnet/src/test/str.cpp

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#include <gtest/gtest.h>
#include <base/system.h>
TEST(Str, Dist)
{
EXPECT_EQ(str_utf8_dist("aaa", "aaa"), 0);
EXPECT_EQ(str_utf8_dist("123", "123"), 0);
EXPECT_EQ(str_utf8_dist("", ""), 0);
EXPECT_EQ(str_utf8_dist("a", "b"), 1);
EXPECT_EQ(str_utf8_dist("", "aaa"), 3);
EXPECT_EQ(str_utf8_dist("123", ""), 3);
EXPECT_EQ(str_utf8_dist("ä", ""), 1);
EXPECT_EQ(str_utf8_dist("Hëllö", "Hello"), 2);
// https://en.wikipedia.org/w/index.php?title=Levenshtein_distance&oldid=828480025#Example
EXPECT_EQ(str_utf8_dist("kitten", "sitting"), 3);
EXPECT_EQ(str_utf8_dist("flaw", "lawn"), 2);
EXPECT_EQ(str_utf8_dist("saturday", "sunday"), 3);
}
TEST(Str, Utf8Isspace)
{
EXPECT_TRUE(str_utf8_isspace(0x200b)); // Zero-width space
EXPECT_TRUE(str_utf8_isspace(' '));
EXPECT_FALSE(str_utf8_isspace('a'));
// Control characters.
for(char c = 0; c < 0x20; c++)
{
EXPECT_TRUE(str_utf8_isspace(c));
}
}
TEST(Str, Utf8SkipWhitespaces)
{
EXPECT_STREQ(str_utf8_skip_whitespaces("abc"), "abc");
EXPECT_STREQ(str_utf8_skip_whitespaces("abc "), "abc ");
EXPECT_STREQ(str_utf8_skip_whitespaces(" abc"), "abc");
EXPECT_STREQ(str_utf8_skip_whitespaces("\xe2\x80\x8b abc"), "abc");
}
TEST(Str, Utf8TrimRight)
{
char A1[] = "abc";
str_utf8_trim_right(A1);
EXPECT_STREQ(A1, "abc");
char A2[] = " abc";
str_utf8_trim_right(A2);
EXPECT_STREQ(A2, " abc");
char A3[] = "abc ";
str_utf8_trim_right(A3);
EXPECT_STREQ(A3, "abc");
char A4[] = "abc \xe2\x80\x8b";
str_utf8_trim_right(A4);
EXPECT_STREQ(A4, "abc");
}
TEST(Str, Utf8CompConfusables)
{
EXPECT_TRUE(str_utf8_comp_confusable("abc", "abc") == 0);
EXPECT_TRUE(str_utf8_comp_confusable("rn", "m") == 0);
EXPECT_TRUE(str_utf8_comp_confusable("l", "ӏ") == 0); // CYRILLIC SMALL LETTER PALOCHKA
EXPECT_TRUE(str_utf8_comp_confusable("i", "¡") == 0); // INVERTED EXCLAMATION MARK
EXPECT_FALSE(str_utf8_comp_confusable("o", "x") == 0);
EXPECT_TRUE(str_utf8_comp_confusable("aceiou", "ąçęįǫų") == 0);
}
TEST(Str, Utf8ToLower)
{
EXPECT_TRUE(str_utf8_tolower('A') == 'a');
EXPECT_TRUE(str_utf8_tolower('z') == 'z');
EXPECT_TRUE(str_utf8_tolower(192) == 224); // À -> à
EXPECT_TRUE(str_utf8_tolower(7882) == 7883); // Ị -> ị
EXPECT_TRUE(str_utf8_comp_nocase("ÖlÜ", "ölü") == 0);
EXPECT_TRUE(str_utf8_comp_nocase("ÜlÖ", "ölü") > 0); // ü > ö
EXPECT_TRUE(str_utf8_comp_nocase("ÖlÜ", "ölüa") < 0); // NULL < a
EXPECT_TRUE(str_utf8_comp_nocase("ölüa", "ÖlÜ") > 0); // a < NULL
#if(CHAR_MIN < 0)
const char a[2] = {CHAR_MIN, 0};
const char b[2] = {0, 0};
EXPECT_TRUE(str_utf8_comp_nocase(a, b) > 0);
EXPECT_TRUE(str_utf8_comp_nocase(b, a) < 0);
#endif
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EXPECT_TRUE(str_utf8_comp_nocase_num("ÖlÜ", "ölüa", 5) == 0);
EXPECT_TRUE(str_utf8_comp_nocase_num("ÖlÜ", "ölüa", 6) != 0);
EXPECT_TRUE(str_utf8_comp_nocase_num("a", "z", 0) == 0);
EXPECT_TRUE(str_utf8_comp_nocase_num("a", "z", 1) != 0);
const char str[] = "ÄÖÜ";
EXPECT_TRUE(str_utf8_find_nocase(str, "ä") == str);
EXPECT_TRUE(str_utf8_find_nocase(str, "ö") == str + 2);
EXPECT_TRUE(str_utf8_find_nocase(str, "ü") == str + 4);
EXPECT_TRUE(str_utf8_find_nocase(str, "z") == NULL);
}
TEST(Str, Startswith)
{
EXPECT_TRUE(str_startswith("abcdef", "abc"));
EXPECT_FALSE(str_startswith("abc", "abcdef"));
EXPECT_TRUE(str_startswith("xyz", ""));
EXPECT_FALSE(str_startswith("", "xyz"));
EXPECT_FALSE(str_startswith("house", "home"));
EXPECT_FALSE(str_startswith("blackboard", "board"));
EXPECT_TRUE(str_startswith("поплавать", "по"));
EXPECT_FALSE(str_startswith("плавать", "по"));
static const char ABCDEFG[] = "abcdefg";
static const char ABC[] = "abc";
EXPECT_EQ(str_startswith(ABCDEFG, ABC) - ABCDEFG, str_length(ABC));
}
TEST(Str, Endswith)
{
EXPECT_TRUE(str_endswith("abcdef", "def"));
EXPECT_FALSE(str_endswith("def", "abcdef"));
EXPECT_TRUE(str_endswith("xyz", ""));
EXPECT_FALSE(str_endswith("", "xyz"));
EXPECT_FALSE(str_endswith("rhyme", "mine"));
EXPECT_FALSE(str_endswith("blackboard", "black"));
EXPECT_TRUE(str_endswith("люди", "юди"));
EXPECT_FALSE(str_endswith("люди", "любовь"));
static const char ABCDEFG[] = "abcdefg";
static const char DEFG[] = "defg";
EXPECT_EQ(str_endswith(ABCDEFG, DEFG) - ABCDEFG,
str_length(ABCDEFG) - str_length(DEFG));
}
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TEST(Str, HexDecode)
{
char aOut[5] = {'a', 'b', 'c', 'd', 0};
EXPECT_EQ(str_hex_decode(aOut, 0, ""), 0);
EXPECT_STREQ(aOut, "abcd");
EXPECT_EQ(str_hex_decode(aOut, 0, " "), 2);
EXPECT_STREQ(aOut, "abcd");
EXPECT_EQ(str_hex_decode(aOut, 1, "1"), 2);
EXPECT_STREQ(aOut + 1, "bcd");
EXPECT_EQ(str_hex_decode(aOut, 1, "41"), 0);
EXPECT_STREQ(aOut, "Abcd");
EXPECT_EQ(str_hex_decode(aOut, 1, "4x"), 1);
EXPECT_STREQ(aOut + 1, "bcd");
EXPECT_EQ(str_hex_decode(aOut, 1, "x1"), 1);
EXPECT_STREQ(aOut + 1, "bcd");
EXPECT_EQ(str_hex_decode(aOut, 1, "411"), 2);
EXPECT_STREQ(aOut + 1, "bcd");
EXPECT_EQ(str_hex_decode(aOut, 4, "41424344"), 0);
EXPECT_STREQ(aOut, "ABCD");
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}
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TEST(Str, Tokenize)
{
char aTest[] = "GER,RUS,ZAF,BRA,CAN";
const char *aOut[] = {"GER", "RUS", "ZAF", "BRA", "CAN"};
char aBuf[4];
int n = 0;
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for(const char *tok = aTest; (tok = str_next_token(tok, ",", aBuf, sizeof(aBuf)));)
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EXPECT_STREQ(aOut[n++], aBuf);
char aTest2[] = "";
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EXPECT_EQ(str_next_token(aTest2, ",", aBuf, sizeof(aBuf)), nullptr);
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char aTest3[] = "+b";
str_next_token(aTest3, "+", aBuf, sizeof(aBuf));
EXPECT_STREQ(aBuf, "b");
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}
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TEST(Str, InList)
{
char aTest[] = "GER,RUS,ZAF,BRA,CAN";
EXPECT_TRUE(str_in_list(aTest, ",", "GER"));
EXPECT_TRUE(str_in_list(aTest, ",", "RUS"));
EXPECT_TRUE(str_in_list(aTest, ",", "ZAF"));
EXPECT_TRUE(str_in_list(aTest, ",", "BRA"));
EXPECT_TRUE(str_in_list(aTest, ",", "CAN"));
EXPECT_FALSE(str_in_list(aTest, ",", "CHN"));
EXPECT_FALSE(str_in_list(aTest, ",", "R,R"));
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EXPECT_FALSE(str_in_list("abc,xyz", ",", "abcdef"));
EXPECT_FALSE(str_in_list("", ",", ""));
EXPECT_FALSE(str_in_list("", ",", "xyz"));
EXPECT_TRUE(str_in_list("FOO,,BAR", ",", ""));
EXPECT_TRUE(str_in_list("abc,,def", ",", "def"));
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}
TEST(Str, StrFormat)
{
char aBuf[4];
EXPECT_EQ(str_format(aBuf, 4, "%d:", 9), 2);
EXPECT_STREQ(aBuf, "9:");
EXPECT_EQ(str_format(aBuf, 4, "%d: ", 9), 3);
EXPECT_STREQ(aBuf, "9: ");
EXPECT_EQ(str_format(aBuf, 4, "%d: ", 99), 3);
EXPECT_STREQ(aBuf, "99:");
}
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TEST(Str, StrCopyNum)
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{
const char *foo = "Foobaré";
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char aBuf[64];
str_utf8_truncate(aBuf, 3, foo, 1);
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EXPECT_STREQ(aBuf, "F");
str_utf8_truncate(aBuf, 3, foo, 2);
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EXPECT_STREQ(aBuf, "Fo");
str_utf8_truncate(aBuf, 3, foo, 3);
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EXPECT_STREQ(aBuf, "Fo");
str_utf8_truncate(aBuf, sizeof(aBuf), foo, 6);
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EXPECT_STREQ(aBuf, "Foobar");
str_utf8_truncate(aBuf, sizeof(aBuf), foo, 7);
EXPECT_STREQ(aBuf, "Foobaré");
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str_utf8_truncate(aBuf, sizeof(aBuf), foo, 0);
EXPECT_STREQ(aBuf, "");
char aBuf2[8];
str_utf8_truncate(aBuf2, sizeof(aBuf2), foo, 7);
EXPECT_STREQ(aBuf2, "Foobar");
char aBuf3[9];
str_utf8_truncate(aBuf3, sizeof(aBuf3), foo, 7);
EXPECT_STREQ(aBuf3, "Foobaré");
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}
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TEST(Str, StrCopyUtf8)
{
const char *foo = "DDNet最好了";
char aBuf[64];
str_utf8_copy(aBuf, foo, 7);
EXPECT_STREQ(aBuf, "DDNet");
str_utf8_copy(aBuf, foo, 8);
EXPECT_STREQ(aBuf, "DDNet");
str_utf8_copy(aBuf, foo, 9);
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EXPECT_STREQ(aBuf, "DDNet最");
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str_utf8_copy(aBuf, foo, 10);
EXPECT_STREQ(aBuf, "DDNet最");
str_utf8_copy(aBuf, foo, 11);
EXPECT_STREQ(aBuf, "DDNet最");
str_utf8_copy(aBuf, foo, 12);
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EXPECT_STREQ(aBuf, "DDNet最好");
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str_utf8_copy(aBuf, foo, 13);
EXPECT_STREQ(aBuf, "DDNet最好");
str_utf8_copy(aBuf, foo, 14);
EXPECT_STREQ(aBuf, "DDNet最好");
str_utf8_copy(aBuf, foo, 15);
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EXPECT_STREQ(aBuf, "DDNet最好了");
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str_utf8_copy(aBuf, foo, 16);
EXPECT_STREQ(aBuf, "DDNet最好了");
}
TEST(Str, StrTime)
{
char aBuf[32] = "foobar";
EXPECT_EQ(str_time(123456, TIME_DAYS, aBuf, 0), -1);
EXPECT_STREQ(aBuf, "foobar");
EXPECT_EQ(str_time(123456, TIME_MINS_CENTISECS + 1, aBuf, sizeof(aBuf)), -1);
EXPECT_STREQ(aBuf, "");
EXPECT_EQ(str_time(-123456, TIME_MINS_CENTISECS, aBuf, sizeof(aBuf)), 8);
EXPECT_STREQ(aBuf, "00:00.00");
EXPECT_EQ(str_time(INT64_MAX, TIME_DAYS, aBuf, sizeof(aBuf)), 23);
EXPECT_STREQ(aBuf, "1067519911673d 00:09:18");
EXPECT_EQ(str_time(123456, TIME_DAYS, aBuf, sizeof(aBuf)), 5);
EXPECT_STREQ(aBuf, "20:34");
EXPECT_EQ(str_time(1234567, TIME_DAYS, aBuf, sizeof(aBuf)), 8);
EXPECT_STREQ(aBuf, "03:25:45");
EXPECT_EQ(str_time(12345678, TIME_DAYS, aBuf, sizeof(aBuf)), 11);
EXPECT_STREQ(aBuf, "1d 10:17:36");
EXPECT_EQ(str_time(123456, TIME_HOURS, aBuf, sizeof(aBuf)), 5);
EXPECT_STREQ(aBuf, "20:34");
EXPECT_EQ(str_time(1234567, TIME_HOURS, aBuf, sizeof(aBuf)), 8);
EXPECT_STREQ(aBuf, "03:25:45");
EXPECT_EQ(str_time(12345678, TIME_HOURS, aBuf, sizeof(aBuf)), 8);
EXPECT_STREQ(aBuf, "34:17:36");
EXPECT_EQ(str_time(123456, TIME_MINS, aBuf, sizeof(aBuf)), 5);
EXPECT_STREQ(aBuf, "20:34");
EXPECT_EQ(str_time(1234567, TIME_MINS, aBuf, sizeof(aBuf)), 6);
EXPECT_STREQ(aBuf, "205:45");
EXPECT_EQ(str_time(12345678, TIME_MINS, aBuf, sizeof(aBuf)), 7);
EXPECT_STREQ(aBuf, "2057:36");
EXPECT_EQ(str_time(123456, TIME_HOURS_CENTISECS, aBuf, sizeof(aBuf)), 8);
EXPECT_STREQ(aBuf, "20:34.56");
EXPECT_EQ(str_time(1234567, TIME_HOURS_CENTISECS, aBuf, sizeof(aBuf)), 11);
EXPECT_STREQ(aBuf, "03:25:45.67");
EXPECT_EQ(str_time(12345678, TIME_HOURS_CENTISECS, aBuf, sizeof(aBuf)), 11);
EXPECT_STREQ(aBuf, "34:17:36.78");
EXPECT_EQ(str_time(123456, TIME_MINS_CENTISECS, aBuf, sizeof(aBuf)), 8);
EXPECT_STREQ(aBuf, "20:34.56");
EXPECT_EQ(str_time(1234567, TIME_MINS_CENTISECS, aBuf, sizeof(aBuf)), 9);
EXPECT_STREQ(aBuf, "205:45.67");
EXPECT_EQ(str_time(12345678, TIME_MINS_CENTISECS, aBuf, sizeof(aBuf)), 10);
EXPECT_STREQ(aBuf, "2057:36.78");
}
TEST(Str, StrTimeFloat)
{
char aBuf[64];
EXPECT_EQ(str_time_float(123456.78, TIME_DAYS, aBuf, sizeof(aBuf)), 11);
EXPECT_STREQ(aBuf, "1d 10:17:36");
EXPECT_EQ(str_time_float(12.16, TIME_HOURS_CENTISECS, aBuf, sizeof(aBuf)), 8);
EXPECT_STREQ(aBuf, "00:12.16");
}