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20 lines
651 B
C++
20 lines
651 B
C++
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#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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