From 591e3507fb2f5ffa2019a0e805729599696d6911 Mon Sep 17 00:00:00 2001
From: Grzegorz Piwowarek <gpw@touk.pl>
Date: Sat, 30 Jul 2016 12:08:27 +0200
Subject: [PATCH] Add additional tests

---
 .../com/baeldung/immutable/ValueObject.java   |  2 ++
 .../baeldung/immutable/auxiliary/Person.java  | 13 ++++++++
 .../immutable/ImmutablePersonTest.java        |  1 +
 .../ImmutablePersonAuxiliaryTest.java         | 33 +++++++++++++++++++
 4 files changed, 49 insertions(+)
 create mode 100644 immutables/src/main/java/com/baeldung/immutable/auxiliary/Person.java
 create mode 100644 immutables/src/test/java/com/baeldung/immutable/auxiliary/ImmutablePersonAuxiliaryTest.java

diff --git a/immutables/src/main/java/com/baeldung/immutable/ValueObject.java b/immutables/src/main/java/com/baeldung/immutable/ValueObject.java
index b598a9d12d..475c6bf7b1 100644
--- a/immutables/src/main/java/com/baeldung/immutable/ValueObject.java
+++ b/immutables/src/main/java/com/baeldung/immutable/ValueObject.java
@@ -2,5 +2,7 @@ package com.baeldung.immutable;
 
 public class ValueObject {
     public ValueObject() {
+
+
     }
 }
diff --git a/immutables/src/main/java/com/baeldung/immutable/auxiliary/Person.java b/immutables/src/main/java/com/baeldung/immutable/auxiliary/Person.java
new file mode 100644
index 0000000000..78fe28c50c
--- /dev/null
+++ b/immutables/src/main/java/com/baeldung/immutable/auxiliary/Person.java
@@ -0,0 +1,13 @@
+package com.baeldung.immutable.auxiliary;
+
+
+import org.immutables.value.Value;
+
+@Value.Immutable
+public abstract class Person {
+    abstract String getName();
+    abstract Integer getAge();
+
+    @Value.Auxiliary
+    abstract String getAuxiliaryField();
+}
\ No newline at end of file
diff --git a/immutables/src/test/java/com/baeldung/immutable/ImmutablePersonTest.java b/immutables/src/test/java/com/baeldung/immutable/ImmutablePersonTest.java
index 8c53569836..aabdb4300a 100644
--- a/immutables/src/test/java/com/baeldung/immutable/ImmutablePersonTest.java
+++ b/immutables/src/test/java/com/baeldung/immutable/ImmutablePersonTest.java
@@ -17,6 +17,7 @@ public class ImmutablePersonTest {
 
         assertThat(john)
           .isNotSameAs(john43);
+
         assertThat(john.getAge())
           .isEqualTo(42);
     }
diff --git a/immutables/src/test/java/com/baeldung/immutable/auxiliary/ImmutablePersonAuxiliaryTest.java b/immutables/src/test/java/com/baeldung/immutable/auxiliary/ImmutablePersonAuxiliaryTest.java
new file mode 100644
index 0000000000..a81eeb3a3a
--- /dev/null
+++ b/immutables/src/test/java/com/baeldung/immutable/auxiliary/ImmutablePersonAuxiliaryTest.java
@@ -0,0 +1,33 @@
+package com.baeldung.immutable.auxiliary;
+
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class ImmutablePersonAuxiliaryTest {
+
+    @Test
+    public void whenComparing_shouldIgnore() throws Exception {
+        final com.baeldung.immutable.auxiliary.ImmutablePerson john1 = com.baeldung.immutable.auxiliary.ImmutablePerson.builder()
+          .name("John")
+          .age(42)
+          .auxiliaryField("Value1")
+          .build();
+
+        final com.baeldung.immutable.auxiliary.ImmutablePerson john2 = com.baeldung.immutable.auxiliary.ImmutablePerson.builder()
+          .name("John")
+          .age(42)
+          .auxiliaryField("Value2")
+          .build();
+
+
+        assertThat(john1.equals(john2))
+          .isTrue();
+
+        assertThat(john1.toString())
+          .isEqualTo(john2.toString());
+
+        assertThat(john1.hashCode())
+          .isEqualTo(john2.hashCode());
+    }
+}
\ No newline at end of file