From 5fe5887be7ef034cd10a4b4e7b4e6c7738c36dce Mon Sep 17 00:00:00 2001
From: lor6 <lore.crusoveanu@gmail.com>
Date: Thu, 21 Sep 2017 11:22:04 +0300
Subject: [PATCH] add simpleentry test (#2654)

---
 .../pairs/CoreJavaSimpleEntryUnitTest.java    | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 libraries/src/test/java/com/baeldung/pairs/CoreJavaSimpleEntryUnitTest.java

diff --git a/libraries/src/test/java/com/baeldung/pairs/CoreJavaSimpleEntryUnitTest.java b/libraries/src/test/java/com/baeldung/pairs/CoreJavaSimpleEntryUnitTest.java
new file mode 100644
index 0000000000..ca425339fa
--- /dev/null
+++ b/libraries/src/test/java/com/baeldung/pairs/CoreJavaSimpleEntryUnitTest.java
@@ -0,0 +1,39 @@
+package com.baeldung.pairs;
+
+import static org.junit.Assert.*;
+
+import java.util.AbstractMap;
+
+import org.junit.Test;
+
+public class CoreJavaSimpleEntryUnitTest {
+
+    @Test
+    public void givenSimpleEntry_whenGetValue_thenOk() {
+        AbstractMap.SimpleEntry<Integer, String> entry = new AbstractMap.SimpleEntry<Integer, String>(1, "one");
+        Integer key = entry.getKey();
+        String value = entry.getValue();
+
+        assertEquals(key.intValue(), 1);
+        assertEquals(value, "one");
+    }
+    
+    @Test(expected = UnsupportedOperationException.class)
+    public void givenSimpleImmutableEntry_whenSetValue_thenException() {
+        AbstractMap.SimpleImmutableEntry<Integer, String> entry = new AbstractMap.SimpleImmutableEntry<Integer, String>(1, "one");
+       
+        entry.setValue("two");
+        
+    }
+    
+    @Test
+    public void givenSimpleImmutableEntry_whenGetValue_thenOk() {
+        AbstractMap.SimpleImmutableEntry<Integer, String> entry = new AbstractMap.SimpleImmutableEntry<Integer, String>(1, "one");
+        Integer key = entry.getKey();
+        String value = entry.getValue();
+
+        assertEquals(key.intValue(), 1);
+        assertEquals(value, "one");
+    }
+
+}