From 62fd8f897806c02a6593fe0b1598f852849e1a0f Mon Sep 17 00:00:00 2001
From: eugenp <hanriseldon@gmail.com>
Date: Tue, 24 Dec 2013 16:59:03 +0200
Subject: [PATCH] minor java collections work

---
 .../src/test/java/org/baeldung/java/CoreJavaUnitTest.java  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/core-java/src/test/java/org/baeldung/java/CoreJavaUnitTest.java b/core-java/src/test/java/org/baeldung/java/CoreJavaUnitTest.java
index b2aff87aae..fb6e39f768 100644
--- a/core-java/src/test/java/org/baeldung/java/CoreJavaUnitTest.java
+++ b/core-java/src/test/java/org/baeldung/java/CoreJavaUnitTest.java
@@ -35,6 +35,13 @@ public class CoreJavaUnitTest {
         unmodifiableList.add("four");
     }
 
+    @Test(expected = UnsupportedOperationException.class)
+    public final void givenUsingGuavaBuilder_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
+        final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
+        final ImmutableList<Object> unmodifiableList = ImmutableList.builder().addAll(list).build();
+        unmodifiableList.add("four");
+    }
+
     @Test(expected = UnsupportedOperationException.class)
     public final void givenUsingCommonsCollections_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
         final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));