Add JUnit test BoyerMooreTest.java

Author: PauLopNun

src/test/java/com/thealgorithms/searches/BoyerMooreTest.java

@@ -0,0 +1,55 @@
+package com.thealgorithms.searches;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+
+public class BoyerMooreTest {
+
+    @Test
+    public void testPatternFound() {
+        BoyerMoore bm = new BoyerMoore("ABCDABD");
+        String text = "ABC ABCDAB ABCDABCDABDE";
+        int index = bm.search(text);
+        assertEquals(15, index);
+    }
+
+    @Test
+    public void testPatternNotFound() {
+        BoyerMoore bm = new BoyerMoore("XYZ");
+        String text = "ABC ABCDAB ABCDABCDABDE";
+        int index = bm.search(text);
+        assertEquals(-1, index);
+    }
+
+    @Test
+    public void testPatternAtBeginning() {
+        BoyerMoore bm = new BoyerMoore("ABC");
+        String text = "ABCDEF";
+        int index = bm.search(text);
+        assertEquals(0, index);
+    }
+
+    @Test
+    public void testPatternAtEnd() {
+        BoyerMoore bm = new BoyerMoore("CDE");
+        String text = "ABCDEFGCDE";
+        int index = bm.search(text);
+        assertEquals(2, index); 
+    }   
+
+
+    @Test
+    public void testEmptyPattern() {
+        BoyerMoore bm = new BoyerMoore("");
+        String text = "Hello world";
+        int index = bm.search(text);
+        assertEquals(0, index); 
+    }
+
+    @Test
+    public void testStaticSearchMethod() {
+    int index = BoyerMoore.search("ABCDEFGCDE", "CDE");
+    assertEquals(2, index); 
+    }
+
+}