X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=era.mi%2Fsrc%2Fera%2Fmi%2Flogic%2Ftests%2FComponentTest.java;h=4f6826ba68967678dc512cd7885a30963f3f7db4;hb=bc46b5d9664f097be44f5147c5cc774d1410ad93;hp=a407b8dffbe1495e77357a5c879bfce0e04d391c;hpb=4aab0c0fc739b8710af599ae0701568ecd5ab44f;p=Mograsim.git

diff --git a/era.mi/src/era/mi/logic/tests/ComponentTest.java b/era.mi/src/era/mi/logic/tests/ComponentTest.java
index a407b8df..4f6826ba 100644
--- a/era.mi/src/era/mi/logic/tests/ComponentTest.java
+++ b/era.mi/src/era/mi/logic/tests/ComponentTest.java
@@ -1,320 +1,373 @@
-package era.mi.logic.tests;
-
-import static org.junit.jupiter.api.Assertions.*;
-
-import java.util.Arrays;
-import java.util.function.LongConsumer;
-
-import org.junit.jupiter.api.Test;
-
-import era.mi.logic.Bit;
-import era.mi.logic.Simulation;
-import era.mi.logic.components.Merger;
-import era.mi.logic.components.Mux;
-import era.mi.logic.components.Splitter;
-import era.mi.logic.components.TriStateBuffer;
-import era.mi.logic.components.gates.AndGate;
-import era.mi.logic.components.gates.NotGate;
-import era.mi.logic.components.gates.OrGate;
-import era.mi.logic.wires.WireArray;
-import era.mi.logic.wires.WireArray.WireArrayInput;
-
-class ComponentTest
-{
-    
-	@Test
-	void circuitExampleTest()
-	{
-		Simulation.TIMELINE.reset();
-		WireArray a = new WireArray(1, 1), b = new WireArray(1, 1), c = new WireArray(1, 10), d = new WireArray(2, 1), e = new WireArray(1, 1),
-				f = new WireArray(1, 1), g = new WireArray(1, 1), h = new WireArray(2, 1), i = new WireArray(2, 1), j = new WireArray(1, 1), k = new WireArray(1, 1);
-		new AndGate(1, a, b, f);
-		new NotGate(1, f, g);
-		new Merger(h, c, g);
-		new Mux(1, i, e, h, d);
-		new Splitter(i, k, j);
-		
-		a.createInput().feedSignals(Bit.ZERO);
-		b.createInput().feedSignals(Bit.ONE);
-		c.createInput().feedSignals(Bit.ZERO);
-		d.createInput().feedSignals(Bit.ONE, Bit.ONE);
-		e.createInput().feedSignals(Bit.ZERO);
-		
-		Simulation.TIMELINE.executeAll();
-		
-		assertEquals(Bit.ONE, j.getValue());
-		assertEquals(Bit.ZERO, k.getValue());
-	}
-
-    @Test
-    void splitterTest()
-    {
-	Simulation.TIMELINE.reset();
-	WireArray a = new WireArray(3, 1), b = new WireArray(2, 1), c = new WireArray(3, 1), in = new WireArray(8, 1);
-	in.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
-	new Splitter(in, a, b, c);
-
-	Simulation.TIMELINE.executeAll();
-
-	assertArrayEquals(new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO }, a.getValues());
-	assertArrayEquals(new Bit[] { Bit.ONE, Bit.ZERO }, b.getValues());
-	assertArrayEquals(new Bit[] { Bit.ONE, Bit.ZERO, Bit.ONE }, c.getValues());
-    }
-
-    @Test
-    void mergerTest()
-    {
-	Simulation.TIMELINE.reset();
-	WireArray a = new WireArray(3, 1), b = new WireArray(2, 1), c = new WireArray(3, 1), out = new WireArray(8, 1);
-	a.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO);
-	b.createInput().feedSignals(Bit.ONE, Bit.ZERO);
-	c.createInput().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);
-
-	new Merger(out, a, b, c);
-
-	Simulation.TIMELINE.executeAll();
-
-	assertTrue(Arrays.equals(out.getValues(),
-		new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE }));
-    }
-
-    @Test
-    void triStateBufferTest()
-    {
-	WireArray a = new WireArray(1, 1), b = new WireArray(1, 1), en = new WireArray(1, 1),
-		notEn = new WireArray(1, 1);
-	new NotGate(1, en, notEn);
-	new TriStateBuffer(1, a, b, en);
-	new TriStateBuffer(1, b, a, notEn);
-
-	WireArrayInput enI = en.createInput(), aI = a.createInput(), bI = b.createInput();
-	enI.feedSignals(Bit.ONE);
-	aI.feedSignals(Bit.ONE);
-
-	Simulation.TIMELINE.executeAll();
-
-	assertEquals(Bit.ONE, b.getValue());
-
-	bI.feedSignals(Bit.ZERO);
-
-	Simulation.TIMELINE.executeAll();
-
-	assertEquals(Bit.X, b.getValue());
-	assertEquals(Bit.ONE, a.getValue());
-
-	aI.clearSignals();
-	enI.feedSignals(Bit.ZERO);
-
-	Simulation.TIMELINE.executeAll();
-
-	assertEquals(Bit.ZERO, a.getValue());
-
-    }
-
-    @Test
-    void muxTest()
-    {
-	Simulation.TIMELINE.reset();
-	WireArray a = new WireArray(4, 3), b = new WireArray(4, 6), c = new WireArray(4, 4),
-		select = new WireArray(2, 5), out = new WireArray(4, 1);
-	WireArrayInput selectIn = select.createInput();
-
-	selectIn.feedSignals(Bit.ZERO, Bit.ZERO);
-	a.createInput().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
-	c.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
-
-	new Mux(1, out, select, a, b, c);
-	Simulation.TIMELINE.executeAll();
-
-	assertArrayEquals(new Bit[] { Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO }, out.getValues());
-	selectIn.feedSignals(Bit.ZERO, Bit.ONE);
-	Simulation.TIMELINE.executeAll();
-
-	assertArrayEquals(new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE }, out.getValues());
-
-	selectIn.feedSignals(Bit.ONE, Bit.ONE);
-	Simulation.TIMELINE.executeAll();
-
-	assertArrayEquals(new Bit[] { Bit.Z, Bit.Z, Bit.Z, Bit.Z }, out.getValues());
-
-    }
-
-    @Test
-    void andTest()
-    {
-	Simulation.TIMELINE.reset();
-	AndGate gate = new AndGate(1, new WireArray(4, 1), new WireArray(4, 1), new WireArray(4, 1));
-	gate.getA().createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);
-	gate.getB().createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
-
-	Simulation.TIMELINE.executeAll();
-	assertArrayEquals(new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ZERO }, gate.getOut().getValues());
-    }
-
-    @Test
-    void orTest()
-    {
-	Simulation.TIMELINE.reset();
-	OrGate gate = new OrGate(1, new WireArray(4, 1), new WireArray(4, 1), new WireArray(4, 1));
-	gate.getA().createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);
-	gate.getB().createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
-
-	Simulation.TIMELINE.executeAll();
-
-	assertArrayEquals(new Bit[] { Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ONE }, gate.getOut().getValues());
-    }
-
-    @Test
-    void rsLatchCircuitTest()
-    {
-	Simulation.TIMELINE.reset();
-	WireArray r = new WireArray(1, 1), s = new WireArray(1, 1), t1 = new WireArray(1, 15), t2 = new WireArray(1, 1),
-		q = new WireArray(1, 1), nq = new WireArray(1, 1);
-
-	new OrGate(1, r, nq, t2);
-	new OrGate(1, s, q, t1);
-	new NotGate(1, t2, q);
-	new NotGate(1, t1, nq);
-
-	WireArrayInput sIn = s.createInput(), rIn = r.createInput();
-
-	sIn.feedSignals(Bit.ONE);
-	rIn.feedSignals(Bit.ZERO);
-
-	Simulation.TIMELINE.executeAll();
-
-	assertEquals(Bit.ONE, q.getValue());
-	assertEquals(Bit.ZERO, nq.getValue());
-
-	sIn.feedSignals(Bit.ZERO);
-
-	Simulation.TIMELINE.executeAll();
-	assertEquals(Bit.ONE, q.getValue());
-	assertEquals(Bit.ZERO, nq.getValue());
-
-	rIn.feedSignals(Bit.ONE);
-
-	Simulation.TIMELINE.executeAll();
-
-	assertEquals(Bit.ZERO, q.getValue());
-	assertEquals(Bit.ONE, nq.getValue());
-    }
-
-    @Test
-    void numericValueTest()
-    {
-	Simulation.TIMELINE.reset();
-
-	WireArray a = new WireArray(4, 1);
-	a.createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE);
-
-	Simulation.TIMELINE.executeAll();
-
-	assertEquals(15, a.getUnsignedValue());
-	assertEquals(-1, a.getSignedValue());
-    }
-
-    @Test
-    void multipleInputs()
-    {
-	Simulation.TIMELINE.reset();
-	WireArray w = new WireArray(2, 1);
-	WireArrayInput wI1 = w.createInput(), wI2 = w.createInput();
-	wI1.feedSignals(Bit.ONE, Bit.Z);
-	wI2.feedSignals(Bit.Z, Bit.X);
-	Simulation.TIMELINE.executeAll();
-	assertArrayEquals(new Bit[] { Bit.ONE, Bit.X }, w.getValues());
-
-	wI2.feedSignals(Bit.ZERO, Bit.Z);
-	Simulation.TIMELINE.executeAll();
-	assertArrayEquals(new Bit[] { Bit.X, Bit.Z }, w.getValues());
-
-	wI2.feedSignals(Bit.Z, Bit.Z);
-	Simulation.TIMELINE.executeAll();
-	assertArrayEquals(new Bit[] { Bit.ONE, Bit.Z }, w.getValues());
-
-	wI2.feedSignals(Bit.ONE, Bit.Z);
-	w.addObserver((i) -> fail("WireArray notified observer, although value did not change."));
-	Simulation.TIMELINE.executeAll();
-	assertArrayEquals(new Bit[] { Bit.ONE, Bit.Z }, w.getValues());
-    }
-
-	@Test
-	void wireConnections()
-	{
-		// Nur ein Experiment, was über mehrere 'passive' Bausteine hinweg passieren würde
-		
-		Simulation.TIMELINE.reset();
-
-		WireArray a = new WireArray(1, 2);
-		WireArray b = new WireArray(1, 2);
-		WireArray c = new WireArray(1, 2);
-		WireArrayInput aI = a.createInput();
-		WireArrayInput bI = b.createInput();
-		WireArrayInput cI = c.createInput();
-
-		TestBitDisplay test = new TestBitDisplay(c);
-		TestBitDisplay test2 = new TestBitDisplay(a);
-		LongConsumer print = time -> System.out.format("Time %2d\n   a: %s\n   b: %s\n   c: %s\n", time, a, b, c);
-
-		cI.feedSignals(Bit.ONE);
-		test.assertAfterSimulationIs(print, Bit.ONE);
-
-		cI.feedSignals(Bit.X);
-		test.assertAfterSimulationIs(print, Bit.X);
-
-		cI.feedSignals(Bit.X);
-		cI.feedSignals(Bit.Z);
-		test.assertAfterSimulationIs(print, Bit.Z);
-
-		Connector c1 = new Connector(b, c);
-		test.assertAfterSimulationIs(print, Bit.Z);
-		System.err.println("ONE");
-		bI.feedSignals(Bit.ONE);
-		test.assertAfterSimulationIs(print, Bit.ONE);
-		System.err.println("ZERO");
-		bI.feedSignals(Bit.ZERO);
-		test.assertAfterSimulationIs(print, Bit.ZERO);
-		System.err.println("Z");
-		bI.feedSignals(Bit.Z);
-		test.assertAfterSimulationIs(print, Bit.Z);
-		
-		Connector c2 = new Connector(a, b);
-		System.err.println("Z 2");
-		aI.feedSignals(Bit.Z);
-		test.assertAfterSimulationIs(print, Bit.Z);
-		test2.assertAfterSimulationIs(Bit.Z);
-		System.err.println("ONE 2");
-		aI.feedSignals(Bit.ONE);
-		test.assertAfterSimulationIs(print, Bit.ONE);
-		test2.assertAfterSimulationIs(Bit.ONE);
-		System.err.println("ZERO 2");
-		aI.feedSignals(Bit.ZERO);
-		test.assertAfterSimulationIs(print, Bit.ZERO);
-		test2.assertAfterSimulationIs(Bit.ZERO);
-		System.err.println("Z 2 II");
-		aI.feedSignals(Bit.Z);
-		test.assertAfterSimulationIs(print, Bit.Z);
-		test2.assertAfterSimulationIs(Bit.Z);
-		
-		System.err.println("No Conflict yet");
-		bI.feedSignals(Bit.ONE);
-		test.assertAfterSimulationIs(print, Bit.ONE);
-		test2.assertAfterSimulationIs(Bit.ONE);
-		aI.feedSignals(Bit.ONE);
-		test.assertAfterSimulationIs(print, Bit.ONE);
-		test2.assertAfterSimulationIs(Bit.ONE);
-		System.err.println("Conflict");
-		aI.feedSignals(Bit.ZERO);
-		test.assertAfterSimulationIs(print, Bit.X);
-		test2.assertAfterSimulationIs(Bit.X);
-		aI.feedSignals(Bit.ONE);
-		test.assertAfterSimulationIs(print, Bit.ONE);
-		test2.assertAfterSimulationIs(Bit.ONE);
-	}
-
-    private static void assertBitArrayEquals(Bit[] actual, Bit... expected)
-    {
-	assertArrayEquals(expected, actual);
-    }
-}
+package era.mi.logic.tests;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.Arrays;
+import java.util.function.LongConsumer;
+
+import org.junit.jupiter.api.Test;
+
+import era.mi.logic.Bit;
+import era.mi.logic.Simulation;
+import era.mi.logic.components.Demux;
+import era.mi.logic.components.Merger;
+import era.mi.logic.components.Mux;
+import era.mi.logic.components.Splitter;
+import era.mi.logic.components.TriStateBuffer;
+import era.mi.logic.components.gates.AndGate;
+import era.mi.logic.components.gates.NotGate;
+import era.mi.logic.components.gates.OrGate;
+import era.mi.logic.components.gates.XorGate;
+import era.mi.logic.wires.WireArray;
+import era.mi.logic.wires.WireArray.WireArrayInput;
+
+class ComponentTest
+{
+    
+	@Test
+	void circuitExampleTest()
+	{
+		Simulation.TIMELINE.reset();
+		WireArray a = new WireArray(1, 1), b = new WireArray(1, 1), c = new WireArray(1, 10), d = new WireArray(2, 1), e = new WireArray(1, 1),
+				f = new WireArray(1, 1), g = new WireArray(1, 1), h = new WireArray(2, 1), i = new WireArray(2, 1), j = new WireArray(1, 1), k = new WireArray(1, 1);
+		new AndGate(1, f, a, b);
+		new NotGate(1, f, g);
+		new Merger(h, c, g);
+		new Mux(1, i, e, h, d);
+		new Splitter(i, k, j);
+		
+		a.createInput().feedSignals(Bit.ZERO);
+		b.createInput().feedSignals(Bit.ONE);
+		c.createInput().feedSignals(Bit.ZERO);
+		d.createInput().feedSignals(Bit.ONE, Bit.ONE);
+		e.createInput().feedSignals(Bit.ZERO);
+		
+		Simulation.TIMELINE.executeAll();
+		
+		assertEquals(Bit.ONE, j.getValue());
+		assertEquals(Bit.ZERO, k.getValue());
+	}
+
+    @Test
+    void splitterTest()
+    {
+	Simulation.TIMELINE.reset();
+	WireArray a = new WireArray(3, 1), b = new WireArray(2, 1), c = new WireArray(3, 1), in = new WireArray(8, 1);
+	in.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
+	new Splitter(in, a, b, c);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertBitArrayEquals(a.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO);
+	assertBitArrayEquals(b.getValues(), Bit.ONE, Bit.ZERO);
+	assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE);
+    }
+
+    @Test
+    void mergerTest()
+    {
+	Simulation.TIMELINE.reset();
+	WireArray a = new WireArray(3, 1), b = new WireArray(2, 1), c = new WireArray(3, 1), out = new WireArray(8, 1);
+	a.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO);
+	b.createInput().feedSignals(Bit.ONE, Bit.ZERO);
+	c.createInput().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);
+
+	new Merger(out, a, b, c);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertTrue(Arrays.equals(out.getValues(),
+		new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE }));
+    }
+
+    @Test
+    void triStateBufferTest()
+    {
+	WireArray a = new WireArray(1, 1), b = new WireArray(1, 1), en = new WireArray(1, 1),
+		notEn = new WireArray(1, 1);
+	new NotGate(1, en, notEn);
+	new TriStateBuffer(1, a, b, en);
+	new TriStateBuffer(1, b, a, notEn);
+
+	WireArrayInput enI = en.createInput(), aI = a.createInput(), bI = b.createInput();
+	enI.feedSignals(Bit.ONE);
+	aI.feedSignals(Bit.ONE);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertEquals(Bit.ONE, b.getValue());
+
+	bI.feedSignals(Bit.ZERO);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertEquals(Bit.X, b.getValue());
+	assertEquals(Bit.ONE, a.getValue());
+
+	aI.clearSignals();
+	enI.feedSignals(Bit.ZERO);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertEquals(Bit.ZERO, a.getValue());
+
+    }
+
+    @Test
+    void muxTest()
+    {
+	Simulation.TIMELINE.reset();
+	WireArray a = new WireArray(4, 3), b = new WireArray(4, 6), c = new WireArray(4, 4),
+		select = new WireArray(2, 5), out = new WireArray(4, 1);
+	WireArrayInput selectIn = select.createInput();
+
+	selectIn.feedSignals(Bit.ZERO, Bit.ZERO);
+	a.createInput().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
+	c.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
+
+	new Mux(1, out, select, a, b, c);
+	Simulation.TIMELINE.executeAll();
+
+	assertBitArrayEquals(out.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
+	selectIn.feedSignals(Bit.ZERO, Bit.ONE);
+	Simulation.TIMELINE.executeAll();
+
+	assertBitArrayEquals(out.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
+
+	selectIn.feedSignals(Bit.ONE, Bit.ONE);
+	Simulation.TIMELINE.executeAll();
+
+	assertBitArrayEquals(out.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
+
+    }
+
+    @Test
+    void demuxTest()
+    {
+	Simulation.TIMELINE.reset();
+	WireArray a = new WireArray(4, 3), b = new WireArray(4, 6), c = new WireArray(4, 4),
+		select = new WireArray(2, 5), in = new WireArray(4, 1);
+	WireArrayInput selectIn = select.createInput();
+
+	selectIn.feedSignals(Bit.ZERO, Bit.ZERO);
+	in.createInput().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
+
+	new Demux(1, in, select, a, b, c);
+	Simulation.TIMELINE.executeAll();
+
+	assertBitArrayEquals(a.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
+	assertBitArrayEquals(b.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
+	assertBitArrayEquals(c.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
+	selectIn.feedSignals(Bit.ZERO, Bit.ONE);
+	Simulation.TIMELINE.executeAll();
+
+	assertBitArrayEquals(a.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
+	assertBitArrayEquals(b.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
+	assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
+
+	selectIn.feedSignals(Bit.ONE, Bit.ONE);
+	Simulation.TIMELINE.executeAll();
+
+	assertBitArrayEquals(a.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
+	assertBitArrayEquals(b.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
+	assertBitArrayEquals(c.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
+
+    }
+    
+    @Test
+    void andTest()
+    {
+	Simulation.TIMELINE.reset();
+	WireArray a = new WireArray(4, 1), b = new WireArray(4, 3), c = new WireArray(4, 1);
+	new AndGate(1, c, a, b);
+	a.createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);
+	b.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
+
+	Simulation.TIMELINE.executeAll();
+	
+	assertBitArrayEquals(c.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ZERO);
+    }
+
+    @Test
+    void orTest()
+    {
+	Simulation.TIMELINE.reset();
+	WireArray a = new WireArray(4, 1), b = new WireArray(4, 3), c = new WireArray(4, 1);
+	new OrGate(1, c, a, b);
+	a.createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);
+	b.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ONE);
+    }
+    
+    @Test
+    void xorTest()
+    {
+	Simulation.TIMELINE.reset();
+	WireArray a = new WireArray(3, 1), b = new WireArray(3, 2), c = new WireArray(3, 1), d = new WireArray(3, 1);
+	new XorGate(1, d, a, b, c);
+	a.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE);
+	b.createInput().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);
+	c.createInput().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertBitArrayEquals(d.getValues(), Bit.ZERO, Bit.ONE, Bit.ONE);
+    }
+
+    @Test
+    void rsLatchCircuitTest()
+    {
+	Simulation.TIMELINE.reset();
+	WireArray r = new WireArray(1, 1), s = new WireArray(1, 1), t1 = new WireArray(1, 15), t2 = new WireArray(1, 1),
+		q = new WireArray(1, 1), nq = new WireArray(1, 1);
+
+	new OrGate(1, t2, r, nq);
+	new OrGate(1, t1, s, q);
+	new NotGate(1, t2, q);
+	new NotGate(1, t1, nq);
+
+	WireArrayInput sIn = s.createInput(), rIn = r.createInput();
+
+	sIn.feedSignals(Bit.ONE);
+	rIn.feedSignals(Bit.ZERO);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertEquals(Bit.ONE, q.getValue());
+	assertEquals(Bit.ZERO, nq.getValue());
+
+	sIn.feedSignals(Bit.ZERO);
+
+	Simulation.TIMELINE.executeAll();
+	assertEquals(Bit.ONE, q.getValue());
+	assertEquals(Bit.ZERO, nq.getValue());
+
+	rIn.feedSignals(Bit.ONE);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertEquals(Bit.ZERO, q.getValue());
+	assertEquals(Bit.ONE, nq.getValue());
+    }
+
+    @Test
+    void numericValueTest()
+    {
+	Simulation.TIMELINE.reset();
+
+	WireArray a = new WireArray(4, 1);
+	a.createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE);
+
+	Simulation.TIMELINE.executeAll();
+
+	assertEquals(15, a.getUnsignedValue());
+	assertEquals(-1, a.getSignedValue());
+    }
+
+    @Test
+    void multipleInputs()
+    {
+	Simulation.TIMELINE.reset();
+	WireArray w = new WireArray(2, 1);
+	WireArrayInput wI1 = w.createInput(), wI2 = w.createInput();
+	wI1.feedSignals(Bit.ONE, Bit.Z);
+	wI2.feedSignals(Bit.Z, Bit.X);
+	Simulation.TIMELINE.executeAll();
+	assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.X);
+
+	wI2.feedSignals(Bit.ZERO, Bit.Z);
+	Simulation.TIMELINE.executeAll();
+	assertBitArrayEquals(w.getValues(), Bit.X, Bit.Z);
+
+	wI2.feedSignals(Bit.Z, Bit.Z);
+	Simulation.TIMELINE.executeAll();
+	assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);
+
+	wI2.feedSignals(Bit.ONE, Bit.Z);
+	w.addObserver((i, oldValues) -> fail("WireArray notified observer, although value did not change."));
+	Simulation.TIMELINE.executeAll();
+	assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);
+    }
+
+	@Test
+	void wireConnections()
+	{
+		// Nur ein Experiment, was über mehrere 'passive' Bausteine hinweg passieren würde
+		
+		Simulation.TIMELINE.reset();
+
+		WireArray a = new WireArray(1, 2);
+		WireArray b = new WireArray(1, 2);
+		WireArray c = new WireArray(1, 2);
+		WireArrayInput aI = a.createInput();
+		WireArrayInput bI = b.createInput();
+		WireArrayInput cI = c.createInput();
+
+		TestBitDisplay test = new TestBitDisplay(c);
+		TestBitDisplay test2 = new TestBitDisplay(a);
+		LongConsumer print = time -> System.out.format("Time %2d\n   a: %s\n   b: %s\n   c: %s\n", time, a, b, c);
+
+		cI.feedSignals(Bit.ONE);
+		test.assertAfterSimulationIs(print, Bit.ONE);
+
+		cI.feedSignals(Bit.X);
+		test.assertAfterSimulationIs(print, Bit.X);
+
+		cI.feedSignals(Bit.X);
+		cI.feedSignals(Bit.Z);
+		test.assertAfterSimulationIs(print, Bit.Z);
+
+		new Connector(b, c);
+		test.assertAfterSimulationIs(print, Bit.Z);
+		System.err.println("ONE");
+		bI.feedSignals(Bit.ONE);
+		test.assertAfterSimulationIs(print, Bit.ONE);
+		System.err.println("ZERO");
+		bI.feedSignals(Bit.ZERO);
+		test.assertAfterSimulationIs(print, Bit.ZERO);
+		System.err.println("Z");
+		bI.feedSignals(Bit.Z);
+		test.assertAfterSimulationIs(print, Bit.Z);
+		
+		new Connector(a, b);
+		System.err.println("Z 2");
+		aI.feedSignals(Bit.Z);
+		test.assertAfterSimulationIs(print, Bit.Z);
+		test2.assertAfterSimulationIs(Bit.Z);
+		System.err.println("ONE 2");
+		aI.feedSignals(Bit.ONE);
+		test.assertAfterSimulationIs(print, Bit.ONE);
+		test2.assertAfterSimulationIs(Bit.ONE);
+		System.err.println("ZERO 2");
+		aI.feedSignals(Bit.ZERO);
+		test.assertAfterSimulationIs(print, Bit.ZERO);
+		test2.assertAfterSimulationIs(Bit.ZERO);
+		System.err.println("Z 2 II");
+		aI.feedSignals(Bit.Z);
+		test.assertAfterSimulationIs(print, Bit.Z);
+		test2.assertAfterSimulationIs(Bit.Z);
+		
+		System.err.println("No Conflict yet");
+		bI.feedSignals(Bit.ONE);
+		test.assertAfterSimulationIs(print, Bit.ONE);
+		test2.assertAfterSimulationIs(Bit.ONE);
+		aI.feedSignals(Bit.ONE);
+		test.assertAfterSimulationIs(print, Bit.ONE);
+		test2.assertAfterSimulationIs(Bit.ONE);
+		System.err.println("Conflict");
+		aI.feedSignals(Bit.ZERO);
+		test.assertAfterSimulationIs(print, Bit.X);
+		test2.assertAfterSimulationIs(Bit.X);
+		aI.feedSignals(Bit.ONE);
+		test.assertAfterSimulationIs(print, Bit.ONE);
+		test2.assertAfterSimulationIs(Bit.ONE);
+	}
+
+    private static void assertBitArrayEquals(Bit[] actual, Bit... expected)
+    {
+    	assertArrayEquals(expected, actual);
+    }
+}