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package org.javacs;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import org.junit.Test;
public class StringSearchTest {
private void testNext(String pat, String text, int index) {
var got = new StringSearch(pat).next(text);
assertThat(got, equalTo(index));
}
private void testNextWord(String pat, String text, int index) {
var got = new StringSearch(pat).nextWord(text);
assertThat(got, equalTo(index));
}
@Test
public void testNext() {
testNext("", "", 0);
testNext("", "abc", 0);
testNext("abc", "", -1);
testNext("abc", "abc", 0);
testNext("d", "abcdefg", 3);
testNext("nan", "banana", 2);
testNext("pan", "anpanman", 2);
testNext("nnaaman", "anpanmanam", -1);
testNext("abcd", "abc", -1);
testNext("abcd", "bcd", -1);
testNext("bcd", "abcd", 1);
testNext("abc", "acca", -1);
testNext("aa", "aaa", 0);
testNext("baa", "aaaaa", -1);
testNext("at that", "which finally halts. at that point", 22);
}
@Test
public void testNextWord() {
testNextWord("", "", 0);
testNextWord("", "abc", -1);
testNextWord("abc", "", -1);
testNextWord("abc", "abc", 0);
testNextWord("d", "abcdefg", -1);
testNextWord("d", "abc d efg", 4);
testNextWord("nan", "banana", -1);
testNextWord("nan", "ba nan a", 3);
testNextWord("abcd", "abc", -1);
testNextWord("abcd", "bcd", -1);
testNextWord("bcd", "abcd", -1);
testNextWord("bcd", "a bcd", 2);
testNextWord("abc", "abc d", 0);
testNextWord("aa", "aaa", -1);
testNextWord("aa", "a aa", 2);
testNextWord("aa", "aa a", 0);
}
}
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