test the methods with Unit test

java-strings/src/test/java/com/baeldung/string/MatchWordsUnitTest.java

@@ -0,0 +1,59 @@
+package com.baeldung.string;
+
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class MatchWordsUnitTest {
+
+    private final String[] words = {"hello", "Baeldung"};
+    private final String inputString = "hello there, Baeldung";
+
+    @Test
+    public void givenText_whenCallingStringContains_shouldMatchWords() {
+
+        final boolean result = MatchWords.containsWords(inputString, words);
+
+        assertThat(result).isEqualTo(true);
+    }
+
+    @Test
+    public void givenText_whenCallingJava8_shouldMatchWords() {
+
+        final boolean result = MatchWords.containsWordsJava8(inputString, words);
+
+        assertThat(result).isEqualTo(true);
+    }
+
+    @Test
+    public void givenText_whenCallingPattern_shouldMatchWords() {
+
+        final boolean result = MatchWords.containsWordsPatternMatch(inputString, words);
+
+        assertThat(result).isEqualTo(true);
+    }
+
+    @Test
+    public void givenText_whenCallingAhoCorasick_shouldMatchWords() {
+
+        final boolean result = MatchWords.containsWordsAhoCorasick(inputString, words);
+
+        assertThat(result).isEqualTo(true);
+    }
+
+    @Test
+    public void givenText_whenCallingIndexOf_shouldMatchWords() {
+
+        final boolean result = MatchWords.containsWordsIndexOf(inputString, words);
+
+        assertThat(result).isEqualTo(true);
+    }
+
+    @Test
+    public void givenText_whenCallingArrayList_shouldMatchWords() {
+
+        final boolean result = MatchWords.containsWordsArray(inputString, words);
+
+        assertThat(result).isEqualTo(true);
+    }
+}