diff --git a/java-strings-3/src/test/java/com/baeldung/string/equalsIgnoreCase/StringEqualsIgnoreCaseUnitTest.java b/java-strings-3/src/test/java/com/baeldung/string/equalsIgnoreCase/StringEqualsIgnoreCaseUnitTest.java
new file mode 100644
index 0000000000..5aab63db94
--- /dev/null
+++ b/java-strings-3/src/test/java/com/baeldung/string/equalsIgnoreCase/StringEqualsIgnoreCaseUnitTest.java
@@ -0,0 +1,26 @@
+package com.baeldung.string.equalsIgnoreCase;
+
+import org.apache.commons.lang3.StringUtils;
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class StringEqualsIgnoreCaseUnitTest {
+    private String string1 = "equals ignore case";
+    private String string2 = "EQUALS IGNORE CASE";
+
+    @Test
+    public void givenEqualStringsWithDifferentCase_whenUsingEqualsIgnoreCase_ThenTheyAreEqual() {
+        assertThat(string1.equalsIgnoreCase(string2)).isTrue();
+    }
+
+    @Test
+    public void givenEqualStringsWithDifferentCase_whenUsingApacheCommonsEqualsIgnoreCase_ThenTheyAreEqual() {
+        assertThat(StringUtils.equalsIgnoreCase(string1, string2)).isTrue();
+    }
+
+    @Test
+    public void givenAStringAndNullValue_whenUsingApacheCommonsEqualsIgnoreCase_ThenTheyAreNotEqual() {
+        assertThat(StringUtils.equalsIgnoreCase(string1, null)).isFalse();
+    }
+}