1 files changed, 93 insertions, 0 deletions
diff --git a/src/jcgp/backend/tests/OutputTests.java b/src/jcgp/backend/tests/OutputTests.java
new file mode 100644
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+++ b/src/jcgp/backend/tests/OutputTests.java
@@ -0,0 +1,93 @@
+package jcgp.backend.tests;
+
+import static org.junit.Assert.assertTrue;
+import jcgp.JCGP.Resources;
+import jcgp.backend.population.Chromosome;
+import jcgp.backend.population.Connection;
+import jcgp.backend.population.Output;
+
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * 
+ * Tests which cover the behaviour specified for an output.
+ * 
+ *  - An output contains a single source Connection, which can be set and got.
+ *  - It should return the value of its source connection.
+ *  - It must be addressable by an index set upon construction only.
+ *  
+ * 
+ * @author Eduardo Pedroni
+ *
+ */
+public class OutputTests {
+
+	private Output output;
+	private static Chromosome chromosome;
+	private static Resources resources;
+	// these are the test values
+	private final int outputValue = 10;
+	private final int outputIndex = 2;
+
+	@BeforeClass
+	public static void setUpBeforeClass() {
+		resources = new Resources();
+		chromosome = new Chromosome(resources);
+	}
+
+	@Before
+	public void setUp() throws Exception {
+		output = new Output(chromosome, outputIndex);
+	}
+
+	@Test
+	public void evaluationsTest() {
+		// set source connection, check that the appropriate value is returned
+		output.setConnection(0, new Connection() {
+
+			@Override
+			public Object getValue() {
+				// test value
+				return outputValue;
+			}
+
+			@Override
+			public String getDescription() {
+				// blank
+				return null;
+			}
+		});
+
+		assertTrue("Incorrect evaluation.", ((Integer) output.calculate()) == outputValue);
+	}
+
+	@Test
+	public void connectionTest() {
+		// set a new connection, check that it is correctly returned
+		Connection newConn = new Connection() {
+
+			@Override
+			public Object getValue() {
+				// blank
+				return 0;
+			}
+
+			@Override
+			public String getDescription() {
+				// blank
+				return null;
+			}
+		};
+		output.setConnection(0, newConn);
+
+		assertTrue("Incorrect connection returned.", output.getSource() == newConn);
+	}
+	
+	@Test
+	public void indexTest() {
+		// check that the index returned is the one passed to the constructor
+		assertTrue("Incorrect index returned.", output.getIndex() == outputIndex);
+	}
+}