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_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
const char a[2] = {-128, 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);
EXPECT_TRUE(str_utf8_comp_nocase_num("ÖlÜ", "ölüa", 3) == 0);
EXPECT_TRUE(str_utf8_comp_nocase_num("ÖlÜ", "ölüa", 4) != 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));
}
2018-08-19 10:12:11 +00:00
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");
}