Add test from EsotericSoftware#385

Closes EsotericSoftware#385, fixes EsotericSoftware#384
magro · Jun 17, 2016 · 50f7f36 · 50f7f36
1 parent 2de0896
commit 50f7f36
Showing 1 changed file with 30 additions and 3 deletions.
diff --git a/test/com/esotericsoftware/kryo/MapSerializerTest.java b/test/com/esotericsoftware/kryo/MapSerializerTest.java
@@ -15,13 +15,15 @@
  * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
+
 package com.esotericsoftware.kryo;
 
+import java.io.ByteArrayInputStream;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Random;
 import java.util.TreeMap;
@@ -167,6 +169,31 @@ public void testTreeMapWithReferences () {
  map.put("4", 44);
  roundTrip(29, 43, map);
  }
+
+ public void testSerializingMapAfterDeserializingMultipleReferencesToSameMap() throws Exception {
+ Kryo kryo = new Kryo();
+ kryo.getFieldSerializerConfig().setOptimizedGenerics(false);
+ Output output = new Output(4096);
+
+ kryo.writeClassAndObject(output, new HasMultipleReferenceToSameMap());
+ kryo.readClassAndObject(new Input(new ByteArrayInputStream(output.getBuffer())));
+ output.clear();
+
+ Map<Integer, List<String>> mapOfLists = new HashMap<Integer, List<String>>();
+ mapOfLists.put(1, new java.util.ArrayList<String>());
+ kryo.writeClassAndObject(output, mapOfLists);
+
+ @SuppressWarnings("unchecked")
+ Map<Integer, List<String>> deserializedMap =
+ (Map<Integer, List<String>>) kryo.readClassAndObject(new Input(new ByteArrayInputStream(output.getBuffer())));
+ assertEquals(1, deserializedMap.size());
+ }
+
+ @SuppressWarnings("unused")
+ static class HasMultipleReferenceToSameMap {
+ private Map<Integer, String> mapOne = new HashMap<Integer, String>();
+ private Map<Integer, String> mapTwo = this.mapOne;
+ }
 
  static public class HasGenerics {
  public HashMap<String, Integer[]> map = new HashMap();
@@ -195,4 +222,4 @@ public TreeMapSubclass(Comparator<? super K> comparator) {
  super(comparator);
  }
  }
-}
+}