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import org.junit.jupiter.api.Test;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
class HashSubstringTest {
@Test
void test() {
HashSubstring.Data data = new HashSubstring.Data("aba", "abacaba");
assertEquals(2, HashSubstring.getOccurrences(data).size());
assertEquals(0, HashSubstring.getOccurrences(data).get(0));
assertEquals(4, HashSubstring.getOccurrences(data).get(1));
List<Integer> postions = HashSubstring.rabinKarp("a", "ab");
assertEquals(1, postions.size());
assertEquals(0, postions.get(0));
postions = HashSubstring.rabinKarp("a", "ba");
assertEquals(1, postions.size());
assertEquals(1, postions.get(0));
postions = HashSubstring.rabinKarp("aba", "abacaba");
assertEquals(2, postions.size());
assertEquals(0, postions.get(0));
assertEquals(4, postions.get(1));
}
@Test
void test1() {
HashSubstring.Data data = new HashSubstring.Data("Test", "testTesttesT");
assertEquals(1, HashSubstring.getOccurrences(data).size());
assertEquals(4, HashSubstring.getOccurrences(data).get(0));
List<Integer> postions = HashSubstring.rabinKarp("Test", "testTesttesT");
assertEquals(1, postions.size());
assertEquals(4, postions.get(0));
}
@Test
void test2() {
HashSubstring.Data data = new HashSubstring.Data("aaaaa", "baaaaaaa");
assertEquals(3, HashSubstring.getOccurrences(data).size());
assertEquals(1, HashSubstring.getOccurrences(data).get(0));
assertEquals(2, HashSubstring.getOccurrences(data).get(1));
assertEquals(3, HashSubstring.getOccurrences(data).get(2));
List<Integer> positions = HashSubstring.rabinKarp("aaaaa", "baaaaaaa");
assertEquals(3, positions.size());
assertEquals(1, positions.get(0));
assertEquals(2, positions.get(1));
assertEquals(3, positions.get(2));
}
}
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