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91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
#include <gtest/gtest.h>
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#include <base/system.h>
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TEST(Str, Dist)
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{
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EXPECT_EQ(str_utf8_dist("aaa", "aaa"), 0);
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EXPECT_EQ(str_utf8_dist("123", "123"), 0);
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EXPECT_EQ(str_utf8_dist("", ""), 0);
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EXPECT_EQ(str_utf8_dist("a", "b"), 1);
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EXPECT_EQ(str_utf8_dist("", "aaa"), 3);
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EXPECT_EQ(str_utf8_dist("123", ""), 3);
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EXPECT_EQ(str_utf8_dist("ä", ""), 1);
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EXPECT_EQ(str_utf8_dist("Hëllö", "Hello"), 2);
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// https://en.wikipedia.org/w/index.php?title=Levenshtein_distance&oldid=828480025#Example
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EXPECT_EQ(str_utf8_dist("kitten", "sitting"), 3);
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EXPECT_EQ(str_utf8_dist("flaw", "lawn"), 2);
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EXPECT_EQ(str_utf8_dist("saturday", "sunday"), 3);
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}
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TEST(Str, Utf8Isspace)
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{
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EXPECT_TRUE(str_utf8_isspace(0x200b)); // Zero-width space
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EXPECT_TRUE(str_utf8_isspace(' '));
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EXPECT_FALSE(str_utf8_isspace('a'));
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// Control characters.
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for(char c = 0; c < 0x20; c++)
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{
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EXPECT_TRUE(str_utf8_isspace(c));
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}
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}
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TEST(Str, Utf8SkipWhitespaces)
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{
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EXPECT_STREQ(str_utf8_skip_whitespaces("abc"), "abc");
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EXPECT_STREQ(str_utf8_skip_whitespaces("abc "), "abc ");
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EXPECT_STREQ(str_utf8_skip_whitespaces(" abc"), "abc");
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EXPECT_STREQ(str_utf8_skip_whitespaces("\xe2\x80\x8b abc"), "abc");
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}
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TEST(Str, Utf8TrimRight)
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{
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char A1[] = "abc"; str_utf8_trim_right(A1); EXPECT_STREQ(A1, "abc");
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char A2[] = " abc"; str_utf8_trim_right(A2); EXPECT_STREQ(A2, " abc");
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char A3[] = "abc "; str_utf8_trim_right(A3); EXPECT_STREQ(A3, "abc");
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char A4[] = "abc \xe2\x80\x8b"; str_utf8_trim_right(A4); EXPECT_STREQ(A4, "abc");
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}
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TEST(Str, Utf8CompConfusables)
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{
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EXPECT_TRUE(str_utf8_comp_confusable("abc", "abc") == 0);
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EXPECT_TRUE(str_utf8_comp_confusable("rn", "m") == 0);
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EXPECT_TRUE(str_utf8_comp_confusable("l", "ӏ") == 0); // CYRILLIC SMALL LETTER PALOCHKA
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EXPECT_FALSE(str_utf8_comp_confusable("o", "x") == 0);
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EXPECT_TRUE(str_utf8_comp_confusable("aceiou", "ąçęįǫų") == 0);
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}
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TEST(Str, Startswith)
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{
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EXPECT_TRUE(str_startswith("abcdef", "abc"));
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EXPECT_FALSE(str_startswith("abc", "abcdef"));
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EXPECT_TRUE(str_startswith("xyz", ""));
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EXPECT_FALSE(str_startswith("", "xyz"));
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EXPECT_FALSE(str_startswith("house", "home"));
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EXPECT_FALSE(str_startswith("blackboard", "board"));
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EXPECT_TRUE(str_startswith("поплавать", "по"));
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EXPECT_FALSE(str_startswith("плавать", "по"));
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static const char ABCDEF[] = "abcdef";
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static const char ABC[] = "abc";
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EXPECT_EQ(str_startswith(ABCDEF, ABC) - ABCDEF, str_length(ABC));
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}
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TEST(Str, Endswith)
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{
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EXPECT_TRUE(str_endswith("abcdef", "def"));
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EXPECT_FALSE(str_endswith("def", "abcdef"));
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EXPECT_TRUE(str_endswith("xyz", ""));
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EXPECT_FALSE(str_endswith("", "xyz"));
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EXPECT_FALSE(str_endswith("rhyme", "mine"));
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EXPECT_FALSE(str_endswith("blackboard", "black"));
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EXPECT_TRUE(str_endswith("люди", "юди"));
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EXPECT_FALSE(str_endswith("люди", "любовь"));
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}
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