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diff --git a/test/cuchaz/enigma/TestJarIndexConstructorReferences.java b/test/cuchaz/enigma/TestJarIndexConstructorReferences.java
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+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma;
+
+import static cuchaz.enigma.EntryFactory.newBehaviorReferenceByConstructor;
+import static cuchaz.enigma.EntryFactory.newBehaviorReferenceByMethod;
+import static cuchaz.enigma.EntryFactory.newClass;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.containsInAnyOrder;
+import static org.hamcrest.Matchers.empty;
+import static org.hamcrest.Matchers.is;
+
+import java.util.jar.JarFile;
+
+import org.junit.Test;
+
+import cuchaz.enigma.analysis.JarIndex;
+import cuchaz.enigma.mapping.BehaviorEntry;
+import cuchaz.enigma.mapping.ClassEntry;
+import cuchaz.enigma.mapping.ConstructorEntry;
+
+public class TestJarIndexConstructorReferences
+{
+        private JarIndex m_index;
+        
+        private ClassEntry m_baseClass = new ClassEntry( "none/a" );
+        private ClassEntry m_subClass = new ClassEntry( "none/c" );
+        private ClassEntry m_subsubClass = new ClassEntry( "none/d" );
+        private ClassEntry m_callerClass = new ClassEntry( "none/b" );
+        
+        public TestJarIndexConstructorReferences( )
+        throws Exception
+        {
+                m_index = new JarIndex();
+                m_index.indexJar( new JarFile( "build/libs/testConstructors.obf.jar" ), false );
+        }
+        
+        @Test
+        public void obfEntries( )
+        {
+                assertThat( m_index.getObfClassEntries(), containsInAnyOrder(
+                        newClass( "cuchaz/enigma/inputs/Keep" ),
+                        m_baseClass,
+                        m_subClass,
+                        m_subsubClass,
+                        m_callerClass
+                ) );
+        }
+        
+        @Test
+        @SuppressWarnings( "unchecked" )
+        public void baseDefault( )
+        {
+                BehaviorEntry source = new ConstructorEntry( m_baseClass, "()V" );
+                assertThat( m_index.getBehaviorReferences( source ), containsInAnyOrder(
+                        newBehaviorReferenceByMethod( source, m_callerClass.getName(), "a", "()V" ),
+                        newBehaviorReferenceByConstructor( source, m_subClass.getName(), "()V" ),
+                        newBehaviorReferenceByConstructor( source, m_subClass.getName(), "(III)V" )
+                ) );
+        }
+        
+        @Test
+        @SuppressWarnings( "unchecked" )
+        public void baseInt( )
+        {
+                BehaviorEntry source = new ConstructorEntry( m_baseClass, "(I)V" );
+                assertThat( m_index.getBehaviorReferences( source ), containsInAnyOrder(
+                        newBehaviorReferenceByMethod( source, m_callerClass.getName(), "b", "()V" )
+                ) );
+        }
+
+        @Test
+        @SuppressWarnings( "unchecked" )
+        public void subDefault( )
+        {
+                BehaviorEntry source = new ConstructorEntry( m_subClass, "()V" );
+                assertThat( m_index.getBehaviorReferences( source ), containsInAnyOrder(
+                        newBehaviorReferenceByMethod( source, m_callerClass.getName(), "c", "()V" ),
+                        newBehaviorReferenceByConstructor( source, m_subClass.getName(), "(I)V" )
+                ) );
+        }
+
+        @Test
+        @SuppressWarnings( "unchecked" )
+        public void subInt( )
+        {
+                BehaviorEntry source = new ConstructorEntry( m_subClass, "(I)V" );
+                assertThat( m_index.getBehaviorReferences( source ), containsInAnyOrder(
+                        newBehaviorReferenceByMethod( source, m_callerClass.getName(), "d", "()V" ),
+                        newBehaviorReferenceByConstructor( source, m_subClass.getName(), "(II)V" ),
+                        newBehaviorReferenceByConstructor( source, m_subsubClass.getName(), "(I)V" )
+                ) );
+        }
+
+        @Test
+        @SuppressWarnings( "unchecked" )
+        public void subIntInt( )
+        {
+                BehaviorEntry source = new ConstructorEntry( m_subClass, "(II)V" );
+                assertThat( m_index.getBehaviorReferences( source ), containsInAnyOrder(
+                        newBehaviorReferenceByMethod( source, m_callerClass.getName(), "e", "()V" )
+                ) );
+        }
+
+        @Test
+        public void subIntIntInt( )
+        {
+                BehaviorEntry source = new ConstructorEntry( m_subClass, "(III)V" );
+                assertThat( m_index.getBehaviorReferences( source ), is( empty() ) );
+        }
+
+        @Test
+        @SuppressWarnings( "unchecked" )
+        public void subsubInt( )
+        {
+                BehaviorEntry source = new ConstructorEntry( m_subsubClass, "(I)V" );
+                assertThat( m_index.getBehaviorReferences( source ), containsInAnyOrder(
+                        newBehaviorReferenceByMethod( source, m_callerClass.getName(), "f", "()V" )
+                ) );
+        }
+}