refactored integration tests

src/main/java/de/neemann/digital/core/memory/DataField.java

@@ -114,7 +114,7 @@ public class DataField {
      * @param addr the address
      * @return the value
      */
-    public long getData(int addr) {
+    public long getDataWord(int addr) {
         if (addr >= data.length)
             return 0;
         else

src/main/java/de/neemann/digital/core/memory/LookUpTable.java

@@ -74,7 +74,7 @@ public class LookUpTable extends Node implements Element {
 
     @Override
     public void writeOutputs() throws NodeException {
-        output.setValue(data.getData(addr));
+        output.setValue(data.getDataWord(addr));
     }
 
 }

src/main/java/de/neemann/digital/core/memory/RAMDualPort.java

@@ -105,7 +105,7 @@ public class RAMDualPort extends Node implements Element, RAMInterface {
     @Override
     public void writeOutputs() throws NodeException {
         if (ld) {
-            output.set(memory.getData(addr), false);
+            output.set(memory.getDataWord(addr), false);
         } else {
             output.setHighZ(true);
         }

src/main/java/de/neemann/digital/core/memory/ROM.java

@@ -87,7 +87,7 @@ public class ROM extends Node implements Element {
 
     @Override
     public void writeOutputs() throws NodeException {
-        output.set(data.getData(addr), !sel);
+        output.set(data.getDataWord(addr), !sel);
     }
 
     /**

src/main/java/de/neemann/digital/gui/components/DataEditor.java

@@ -144,7 +144,7 @@ public class DataEditor extends JDialog {
             if (columnIndex == 0) {
                 return new MyLong((long) rowIndex * cols);
             }
-            return new MyLong(dataField.getData(rowIndex * cols + (columnIndex - 1)));
+            return new MyLong(dataField.getDataWord(rowIndex * cols + (columnIndex - 1)));
         }
 
         @Override

src/test/java/de/neemann/digital/core/memory/DataFieldTest.java

@@ -13,27 +13,27 @@ public class DataFieldTest extends TestCase {
         DataField data = new DataField(100, 8);
         data.setData(9, 1);
         data = data.getMinimized();
-        assertEquals(1, data.getData(9));
+        assertEquals(1, data.getDataWord(9));
         data = data.getMinimized();
-        assertEquals(1, data.getData(9));
+        assertEquals(1, data.getDataWord(9));
     }
 
     public void testGrow() throws Exception {
         DataField data = new DataField(100, 8);
         data.setData(9, 1);
         data = data.getMinimized();
-        assertEquals(1, data.getData(9));
+        assertEquals(1, data.getDataWord(9));
         data.setData(30, 1);
-        assertEquals(1, data.getData(30));
+        assertEquals(1, data.getDataWord(30));
     }
 
     public void testLoad() throws Exception {
         String data = "v2.0 raw\n0\n10\nAA\nFF";
         DataField df = new DataField(new StringReader(data));
         assertEquals(4, df.size());
-        assertEquals(0x00, df.getData(0));
-        assertEquals(0x10, df.getData(1));
-        assertEquals(0xAA, df.getData(2));
-        assertEquals(0xFF, df.getData(3));
+        assertEquals(0x00, df.getDataWord(0));
+        assertEquals(0x10, df.getDataWord(1));
+        assertEquals(0xAA, df.getDataWord(2));
+        assertEquals(0xFF, df.getDataWord(3));
     }
 }

src/test/java/de/neemann/digital/integration/TestProcessor.java

@@ -1,61 +0,0 @@
-package de.neemann.digital.integration;
-
-import de.neemann.digital.core.Model;
-import de.neemann.digital.core.NodeException;
-import de.neemann.digital.core.memory.DataField;
-import de.neemann.digital.core.memory.RAMSinglePort;
-import de.neemann.digital.draw.elements.Circuit;
-import de.neemann.digital.draw.elements.PinException;
-import de.neemann.digital.draw.library.ElementLibrary;
-import de.neemann.digital.draw.model.ModelDescription;
-import de.neemann.digital.draw.shapes.ShapeFactory;
-import de.neemann.digital.gui.LibrarySelector;
-import junit.framework.TestCase;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-
-/**
- * @author hneemann
- */
-public class TestProcessor extends TestCase {
-
-    private Model createModel(String file) throws IOException, PinException, NodeException {
-        File filename = new File(Resources.getRoot(), file);
-        ElementLibrary library = new ElementLibrary();
-        ShapeFactory shapeFactory = new ShapeFactory(library);
-        Circuit circuit = Circuit.loadCircuit(filename, shapeFactory);
-        LibrarySelector librarySelector = new LibrarySelector(library, shapeFactory, null);
-        librarySelector.setFilePath(filename.getParentFile());
-
-        ModelDescription md = new ModelDescription(circuit, library);
-        Model model = md.createModel();
-        model.init(true);
-
-        assertTrue(model.isFastRunModel());
-        return model;
-    }
-
-    /**
-     * Loads a simulated processor, which has already stored machine program that calculates the 15th
-     * fibonacci number with a simple recursive algorithm. The result (610) is stored in the first RAM word.
-     *
-     * @throws IOException   IOException
-     * @throws NodeException NodeException
-     * @throws PinException  PinException
-     */
-    public void testFibonacci() throws IOException, NodeException, PinException {
-        Model model = createModel("dig/processor/Processor_fibonacci.dig");
-
-        assertEquals(98644, model.runToBreak()); // checks the number of cycles needed to calculate 610
-
-        List<RAMSinglePort> ramList = model.findNode(RAMSinglePort.class);
-        assertEquals(1, ramList.size());
-
-        DataField ram = ramList.get(0).getMemory(); // the rams content
-        assertEquals(610, ram.getData(0));
-    }
-
-
-}

src/test/java/de/neemann/digital/integration/TestRunToBreak.java

@@ -1,34 +1,45 @@
 package de.neemann.digital.integration;
 
-import de.neemann.digital.core.Model;
 import de.neemann.digital.core.NodeException;
-import de.neemann.digital.draw.elements.Circuit;
+import de.neemann.digital.core.memory.RAMSinglePort;
+import de.neemann.digital.core.memory.Register;
 import de.neemann.digital.draw.elements.PinException;
-import de.neemann.digital.draw.library.ElementLibrary;
-import de.neemann.digital.draw.model.ModelDescription;
-import de.neemann.digital.draw.shapes.ShapeFactory;
 import junit.framework.TestCase;
 
-import java.io.File;
 import java.io.IOException;
 
 /**
  * @author hneemann
  */
 public class TestRunToBreak extends TestCase {
-    private ElementLibrary library = new ElementLibrary();
 
     public void testRunToBreak() throws IOException, NodeException, PinException {
-        File filename = new File(Resources.getRoot(), "dig/runToBreak.dig");
-        Circuit circuit = Circuit.loadCircuit(filename, new ShapeFactory(new ElementLibrary()));
+        new ToBreakRunner("dig/runToBreak.dig")
+                .runToBreak(511);
+    }
 
-        ModelDescription md = new ModelDescription(circuit, library);
-        Model model = md.createModel();
-        model.init(true);
+    public void testCounterSplitter() throws IOException, NodeException, PinException {
+        Register r = new ToBreakRunner("dig/CounterSplitter.dig")
+                .runToBreak(2047)
+                .getSingleNode(Register.class);
 
-        assertTrue(model.isFastRunModel());
-        int halfClocks = model.runToBreak();
-        assertEquals(511, halfClocks);
+        assertEquals(0x3ff, r.getOutputs()[0].getValue());
+    }
+
+    /**
+     * Loads a simulated processor, which has already stored a machine program that calculates the 15th
+     * fibonacci number with a simple recursive algorithm. The result (610) is stored in the first RAM word.
+     *
+     * @throws IOException   IOException
+     * @throws NodeException NodeException
+     * @throws PinException  PinException
+     */
+    public void testFibonacci() throws IOException, NodeException, PinException {
+        RAMSinglePort ram = new ToBreakRunner("dig/processor/Processor_fibonacci.dig")
+                .runToBreak(98644)
+                .getSingleNode(RAMSinglePort.class);
+
+        assertEquals(610, ram.getMemory().getDataWord(0));
     }
 
 }

src/test/java/de/neemann/digital/integration/ToBreakRunner.java

@@ -0,0 +1,52 @@
+package de.neemann.digital.integration;
+
+import de.neemann.digital.core.Model;
+import de.neemann.digital.core.Node;
+import de.neemann.digital.core.NodeException;
+import de.neemann.digital.draw.elements.Circuit;
+import de.neemann.digital.draw.elements.PinException;
+import de.neemann.digital.draw.library.ElementLibrary;
+import de.neemann.digital.draw.model.ModelDescription;
+import de.neemann.digital.draw.shapes.ShapeFactory;
+import de.neemann.digital.gui.LibrarySelector;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * @author hneemann
+ */
+public class ToBreakRunner {
+
+    private final Model model;
+
+    public ToBreakRunner(String file) throws IOException, PinException, NodeException {
+        File filename = new File(Resources.getRoot(), file);
+        ElementLibrary library = new ElementLibrary();
+        ShapeFactory shapeFactory = new ShapeFactory(library);
+        Circuit circuit = Circuit.loadCircuit(filename, shapeFactory);
+        LibrarySelector librarySelector = new LibrarySelector(library, shapeFactory, null);
+        librarySelector.setFilePath(filename.getParentFile());
+
+        ModelDescription md = new ModelDescription(circuit, library);
+        model = md.createModel();
+        model.init(true);
+
+        assertTrue(model.isFastRunModel());
+    }
+
+    public ToBreakRunner runToBreak(int steps) throws NodeException {
+        assertEquals(steps, model.runToBreak());
+        return this;
+    }
+
+    public <T extends Node> T getSingleNode(Class<T> clazz) {
+        List<T> nodes = model.findNode(clazz);
+        assertEquals(1, nodes.size());
+        return nodes.get(0);
+    }
+}

src/test/resources/dig/CounterSplitter.dig

@@ -0,0 +1,203 @@
+<?xml version="1.0" encoding="utf-8"?>
+<circuit>
+    <version>1</version>
+    <visualElements>
+        <visualElement>
+            <elementName>Clock</elementName>
+            <elementAttributes/>
+            <pos x="120" y="180"/>
+            <rotate>0</rotate>
+        </visualElement>
+        <visualElement>
+            <elementName>Counter</elementName>
+            <elementAttributes>
+                <entry>
+                    <string>Bits</string>
+                    <int>5</int>
+                </entry>
+            </elementAttributes>
+            <pos x="180" y="180"/>
+            <rotate>0</rotate>
+        </visualElement>
+        <visualElement>
+            <elementName>Const</elementName>
+            <elementAttributes>
+                <entry>
+                    <string>Value</string>
+                    <int>0</int>
+                </entry>
+            </elementAttributes>
+            <pos x="160" y="200"/>
+            <rotate>0</rotate>
+        </visualElement>
+        <visualElement>
+            <elementName>Counter</elementName>
+            <elementAttributes>
+                <entry>
+                    <string>Bits</string>
+                    <int>5</int>
+                </entry>
+            </elementAttributes>
+            <pos x="180" y="280"/>
+            <rotate>0</rotate>
+        </visualElement>
+        <visualElement>
+            <elementName>Splitter</elementName>
+            <elementAttributes>
+                <entry>
+                    <string>Input Splitting</string>
+                    <string>5,5</string>
+                </entry>
+                <entry>
+                    <string>Output Splitting</string>
+                    <string>10</string>
+                </entry>
+            </elementAttributes>
+            <pos x="320" y="180"/>
+            <rotate>0</rotate>
+        </visualElement>
+        <visualElement>
+            <elementName>Break</elementName>
+            <elementAttributes/>
+            <pos x="320" y="300"/>
+            <rotate>0</rotate>
+        </visualElement>
+        <visualElement>
+            <elementName>Register</elementName>
+            <elementAttributes>
+                <entry>
+                    <string>Bits</string>
+                    <int>10</int>
+                </entry>
+            </elementAttributes>
+            <pos x="400" y="180"/>
+            <rotate>0</rotate>
+        </visualElement>
+        <visualElement>
+            <elementName>Out</elementName>
+            <elementAttributes>
+                <entry>
+                    <string>Bits</string>
+                    <int>10</int>
+                </entry>
+            </elementAttributes>
+            <pos x="480" y="200"/>
+            <rotate>0</rotate>
+        </visualElement>
+        <visualElement>
+            <elementName>Const</elementName>
+            <elementAttributes>
+                <entry>
+                    <string>Value</string>
+                    <int>0</int>
+                </entry>
+            </elementAttributes>
+            <pos x="160" y="300"/>
+            <rotate>0</rotate>
+        </visualElement>
+        <visualElement>
+            <elementName>Not</elementName>
+            <elementAttributes/>
+            <pos x="320" y="220"/>
+            <rotate>0</rotate>
+        </visualElement>
+    </visualElements>
+    <wires>
+        <wire>
+            <p1 x="120" y="180"/>
+            <p2 x="160" y="180"/>
+        </wire>
+        <wire>
+            <p1 x="240" y="180"/>
+            <p2 x="320" y="180"/>
+        </wire>
+        <wire>
+            <p1 x="340" y="180"/>
+            <p2 x="400" y="180"/>
+        </wire>
+        <wire>
+            <p1 x="160" y="180"/>
+            <p2 x="180" y="180"/>
+        </wire>
+        <wire>
+            <p1 x="160" y="260"/>
+            <p2 x="260" y="260"/>
+        </wire>
+        <wire>
+            <p1 x="240" y="200"/>
+            <p2 x="260" y="200"/>
+        </wire>
+        <wire>
+            <p1 x="280" y="200"/>
+            <p2 x="320" y="200"/>
+        </wire>
+        <wire>
+            <p1 x="460" y="200"/>
+            <p2 x="480" y="200"/>
+        </wire>
+        <wire>
+            <p1 x="160" y="200"/>
+            <p2 x="180" y="200"/>
+        </wire>
+        <wire>
+            <p1 x="380" y="200"/>
+            <p2 x="400" y="200"/>
+        </wire>
+        <wire>
+            <p1 x="160" y="280"/>
+            <p2 x="180" y="280"/>
+        </wire>
+        <wire>
+            <p1 x="240" y="280"/>
+            <p2 x="280" y="280"/>
+        </wire>
+        <wire>
+            <p1 x="240" y="300"/>
+            <p2 x="300" y="300"/>
+        </wire>
+        <wire>
+            <p1 x="160" y="300"/>
+            <p2 x="180" y="300"/>
+        </wire>
+        <wire>
+            <p1 x="300" y="300"/>
+            <p2 x="320" y="300"/>
+        </wire>
+        <wire>
+            <p1 x="360" y="220"/>
+            <p2 x="400" y="220"/>
+        </wire>
+        <wire>
+            <p1 x="300" y="220"/>
+            <p2 x="320" y="220"/>
+        </wire>
+        <wire>
+            <p1 x="160" y="140"/>
+            <p2 x="380" y="140"/>
+        </wire>
+        <wire>
+            <p1 x="160" y="260"/>
+            <p2 x="160" y="280"/>
+        </wire>
+        <wire>
+            <p1 x="160" y="140"/>
+            <p2 x="160" y="180"/>
+        </wire>
+        <wire>
+            <p1 x="260" y="200"/>
+            <p2 x="260" y="260"/>
+        </wire>
+        <wire>
+            <p1 x="280" y="200"/>
+            <p2 x="280" y="280"/>
+        </wire>
+        <wire>
+            <p1 x="300" y="220"/>
+            <p2 x="300" y="300"/>
+        </wire>
+        <wire>
+            <p1 x="380" y="140"/>
+            <p2 x="380" y="200"/>
+        </wire>
+    </wires>
+</circuit>