WPILib Reorganization

This is a major restructuring of the WPILib repository to simply build
procedures and remove the remnants of Maven from everything except the
eclipse plugins. Gradle files have been largely simplified or rewritten,
taking advantage of splitting up parts of the build into separate build
files for ease of reading.

The eclipse plugins are now in a separate project, as is ntcore. All
dependencies are resolved via Maven dependencies, with the
Jenkins-maintained WPILib repo. Project structures have also been
simplified: we no longer have separate subprojects inside wpilibc and
wpilibj. Where possible, these changes hav been done with git renames,
to make sure we still have full history for all repositories. Other
unrelated subprojects have also been broken out: OutlineViewer is now a
separate project.

Change-Id: Ib4e2a6e1a2f66427a14f16612b0e0d69ed661878

wpilibjIntegrationTests/src/main/java/edu/wpi/first/wpilibj/EncoderTest.java

@@ -0,0 +1,162 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2008-2014. All Rights Reserved. */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project. */
+/*----------------------------------------------------------------------------*/
+package edu.wpi.first.wpilibj;
+
+import static org.junit.Assert.assertTrue;
+
+import java.util.Collection;
+import java.util.logging.Logger;
+
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import edu.wpi.first.wpilibj.fixtures.FakeEncoderFixture;
+import edu.wpi.first.wpilibj.test.AbstractComsSetup;
+import edu.wpi.first.wpilibj.test.TestBench;
+
+
+/**
+ * Test to see if the FPGA properly recognizes a mock Encoder input
+ *$
+ * @author Jonathan Leitschuh
+ *
+ */
+@RunWith(Parameterized.class)
+public class EncoderTest extends AbstractComsSetup {
+  private static final Logger logger = Logger.getLogger(EncoderTest.class.getName());
+  private static FakeEncoderFixture encoder = null;
+
+  private final boolean flip; // Does this test need to flip the inputs
+  private final int inputA;
+  private final int inputB;
+  private final int outputA;
+  private final int outputB;
+
+  @Override
+  protected Logger getClassLogger() {
+    return logger;
+  }
+
+  /**
+   * Test data generator. This method is called the the JUnit parameterized test
+   * runner and returns a Collection of Arrays. For each Array in the
+   * Collection, each array element corresponds to a parameter in the
+   * constructor.
+   */
+  @Parameters
+  public static Collection<Integer[]> generateData() {
+    return TestBench.getInstance().getEncoderDIOCrossConnectCollection();
+  }
+
+  /**
+   * Constructs a parameterized Encoder Test
+   *$
+   * @param inputA The port number for inputA
+   * @param outputA The port number for outputA
+   * @param inputB The port number for inputB
+   * @param outputB The port number for outputB
+   * @param flip whether or not these set of values require the encoder to be
+   *        reversed (0 or 1)
+   */
+  public EncoderTest(int inputA, int outputA, int inputB, int outputB, int flip) {
+    this.inputA = inputA;
+    this.inputB = inputB;
+    this.outputA = outputA;
+    this.outputB = outputB;
+
+    // If the encoder from a previous test is allocated then we must free its
+    // members
+    if (encoder != null)
+      encoder.teardown();
+    this.flip = flip == 0;
+    encoder = new FakeEncoderFixture(inputA, outputA, inputB, outputB);
+  }
+
+  /**
+   * @throws java.lang.Exception
+   */
+  @AfterClass
+  public static void tearDownAfterClass() throws Exception {
+    encoder.teardown();
+    encoder = null;
+  }
+
+  /**
+   * Sets up the test and verifies that the test was reset to the default state
+   *$
+   * @throws java.lang.Exception
+   */
+  @Before
+  public void setUp() throws Exception {
+    encoder.setup();
+    testDefaultState();
+  }
+
+  /**
+   * @throws java.lang.Exception
+   */
+  @After
+  public void tearDown() throws Exception {
+    encoder.reset();
+  }
+
+  /**
+   * Tests to see if Encoders initialize to zero
+   */
+  @Test
+  public void testDefaultState() {
+    int value = encoder.getEncoder().get();
+    assertTrue(errorMessage(0, value), value == 0);
+  }
+
+  /**
+   * Tests to see if Encoders can count up sucsessfully
+   */
+  @Test
+  public void testCountUp() {
+    int goal = 100;
+    encoder.getFakeEncoderSource().setCount(goal);
+    encoder.getFakeEncoderSource().setForward(flip);
+    encoder.getFakeEncoderSource().execute();
+    int value = encoder.getEncoder().get();
+    assertTrue(errorMessage(goal, value), value == goal);
+
+  }
+
+  /**
+   * Tests to see if Encoders can count down sucsessfully
+   */
+  @Test
+  public void testCountDown() {
+    int goal = -100;
+    encoder.getFakeEncoderSource().setCount(goal); // Goal has to be positive
+    encoder.getFakeEncoderSource().setForward(!flip);
+    encoder.getFakeEncoderSource().execute();
+    int value = encoder.getEncoder().get();
+    assertTrue(errorMessage(goal, value), value == goal);
+
+  }
+
+  /**
+   * Creates a simple message with the error that was encounterd for the
+   * Encoders
+   *$
+   * @param goal The goal that was trying to be reached
+   * @param trueValue The actual value that was reached by the test
+   * @return A fully constructed message with data about where and why the the
+   *         test failed
+   */
+  private String errorMessage(int goal, int trueValue) {
+    return "Encoder ({In,Out}): {" + inputA + ", " + outputA + "},{" + inputB + ", " + outputB
+        + "} Returned: " + trueValue + ", Wanted: " + goal;
+  }
+}