Java/src/test/java/com/thealgorithms/strings/HorspoolSearchTest.java at master · TheAlgorithms/Java · GitHub

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packagecom.thealgorithms.strings;

importstaticorg.junit.jupiter.api.Assertions.assertEquals;
importstaticorg.junit.jupiter.api.Assertions.assertThrows;

importorg.junit.jupiter.api.Test;

classHorspoolSearchTest {

@Test
voidtestFindFirstMatch() {
intindex = HorspoolSearch.findFirst("World", "Hello World");
assertEquals(6, index);
 }

@Test
voidtestFindFirstNotMatch() {
intindex = HorspoolSearch.findFirst("hell", "Hello World");
assertEquals(-1, index);
 }

@Test
voidtestFindFirstPatternLongerText() {
intindex = HorspoolSearch.findFirst("Hello World!!!", "Hello World");
assertEquals(-1, index);
 }

@Test
voidtestFindFirstPatternEmpty() {
intindex = HorspoolSearch.findFirst("", "Hello World");
assertEquals(-1, index);
 }

@Test
voidtestFindFirstTextEmpty() {
intindex = HorspoolSearch.findFirst("Hello", "");
assertEquals(-1, index);
 }

@Test
voidtestFindFirstPatternAndTextEmpty() {
intindex = HorspoolSearch.findFirst("", "");
assertEquals(-1, index);
 }

@Test
voidtestFindFirstSpecialCharacter() {
intindex = HorspoolSearch.findFirst("$3**", "Hello $3**$ World");
assertEquals(6, index);
 }

@Test
voidtestFindFirstInsensitiveMatch() {
intindex = HorspoolSearch.findFirstInsensitive("hello", "Hello World");
assertEquals(0, index);
 }

@Test
voidtestFindFirstInsensitiveNotMatch() {
intindex = HorspoolSearch.findFirstInsensitive("helo", "Hello World");
assertEquals(-1, index);
 }

@Test
voidtestGetLastComparisons() {
HorspoolSearch.findFirst("World", "Hello World");
intlastSearchNumber = HorspoolSearch.getLastComparisons();
assertEquals(7, lastSearchNumber);
 }

@Test
voidtestGetLastComparisonsNotMatch() {
HorspoolSearch.findFirst("Word", "Hello World");
intlastSearchNumber = HorspoolSearch.getLastComparisons();
assertEquals(3, lastSearchNumber);
 }

@Test
voidtestFindFirstPatternNull() {
assertThrows(NullPointerException.class, () -> HorspoolSearch.findFirst(null, "Hello World"));
 }

@Test
voidtestFindFirstTextNull() {
assertThrows(NullPointerException.class, () -> HorspoolSearch.findFirst("Hello", null));
 }
}