-package net.mograsim.logic.core.tests;
-
-import static org.junit.Assert.assertTrue;
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.fail;
-
-import java.util.function.LongConsumer;
-
-import org.junit.jupiter.api.Test;
-
-import net.mograsim.logic.core.components.Connector;
-import net.mograsim.logic.core.components.Demux;
-import net.mograsim.logic.core.components.Merger;
-import net.mograsim.logic.core.components.Mux;
-import net.mograsim.logic.core.components.Splitter;
-import net.mograsim.logic.core.components.TriStateBuffer;
-import net.mograsim.logic.core.components.gates.AndGate;
-import net.mograsim.logic.core.components.gates.NotGate;
-import net.mograsim.logic.core.components.gates.OrGate;
-import net.mograsim.logic.core.components.gates.XorGate;
-import net.mograsim.logic.core.timeline.Timeline;
-import net.mograsim.logic.core.types.Bit;
-import net.mograsim.logic.core.types.BitVector;
-import net.mograsim.logic.core.wires.Wire;
-import net.mograsim.logic.core.wires.Wire.ReadEnd;
-import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
-
-class ComponentTest
-{
- private Timeline t = new Timeline(11);
-
- @Test
- void circuitExampleTest()
- {
- Wire a = new Wire(t, 1, 1), b = new Wire(t, 1, 1), c = new Wire(t, 1, 10), d = new Wire(t, 2, 1), e = new Wire(t, 1, 1),
- f = new Wire(t, 1, 1), g = new Wire(t, 1, 1), h = new Wire(t, 2, 1), i = new Wire(t, 2, 1), j = new Wire(t, 1, 1),
- k = new Wire(t, 1, 1);
- new AndGate(t, 1, f.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd());
- new NotGate(t, 1, f.createReadOnlyEnd(), g.createReadWriteEnd());
- new Merger(t, h.createReadWriteEnd(), c.createReadOnlyEnd(), g.createReadOnlyEnd());
- new Mux(t, 1, i.createReadWriteEnd(), e.createReadOnlyEnd(), h.createReadOnlyEnd(), d.createReadOnlyEnd());
- new Splitter(t, i.createReadOnlyEnd(), k.createReadWriteEnd(), j.createReadWriteEnd());
-
- a.createReadWriteEnd().feedSignals(Bit.ZERO);
- b.createReadWriteEnd().feedSignals(Bit.ONE);
- c.createReadWriteEnd().feedSignals(Bit.ZERO);
- d.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE);
- e.createReadWriteEnd().feedSignals(Bit.ZERO);
-
- t.executeAll();
-
- assertEquals(Bit.ONE, j.getValue());
- assertEquals(Bit.ZERO, k.getValue());
- }
-
- @Test
- void splitterTest()
- {
- t.reset();
- Wire a = new Wire(t, 3, 1), b = new Wire(t, 2, 1), c = new Wire(t, 3, 1), in = new Wire(t, 8, 1);
- in.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
- new Splitter(t, in.createReadOnlyEnd(), a.createReadWriteEnd(), b.createReadWriteEnd(), c.createReadWriteEnd());
-
- t.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()
- {
- t.reset();
- Wire a = new Wire(t, 3, 1), b = new Wire(t, 2, 1), c = new Wire(t, 3, 1), out = new Wire(t, 8, 1);
- a.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO);
- b.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO);
- c.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);
-
- new Merger(t, out.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd());
-
- t.executeAll();
-
- assertBitArrayEquals(out.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
- }
-
- @Test
- void triStateBufferTest()
- {
- Wire a = new Wire(t, 1, 1), b = new Wire(t, 1, 1), en = new Wire(t, 1, 1), notEn = new Wire(t, 1, 1);
- new NotGate(t, 1, en.createReadOnlyEnd(), notEn.createReadWriteEnd());
- new TriStateBuffer(t, 1, a.createReadOnlyEnd(), b.createReadWriteEnd(), en.createReadOnlyEnd());
- new TriStateBuffer(t, 1, b.createReadOnlyEnd(), a.createReadWriteEnd(), notEn.createReadOnlyEnd());
-
- ReadWriteEnd enI = en.createReadWriteEnd(), aI = a.createReadWriteEnd(), bI = b.createReadWriteEnd();
- enI.feedSignals(Bit.ONE);
- aI.feedSignals(Bit.ONE);
- bI.feedSignals(Bit.Z);
-
- t.executeAll();
-
- assertEquals(Bit.ONE, b.getValue());
-
- bI.feedSignals(Bit.ZERO);
-
- t.executeAll();
-
- assertEquals(Bit.X, b.getValue());
- assertEquals(Bit.ONE, a.getValue());
-
- aI.clearSignals();
- enI.feedSignals(Bit.ZERO);
-
- t.executeAll();
-
- assertEquals(Bit.ZERO, a.getValue());
-
- }
-
- @Test
- void muxTest()
- {
- t.reset();
- Wire a = new Wire(t, 4, 3), b = new Wire(t, 4, 6), c = new Wire(t, 4, 4), select = new Wire(t, 2, 5), out = new Wire(t, 4, 1);
- ReadWriteEnd selectIn = select.createReadWriteEnd();
-
- selectIn.feedSignals(Bit.ZERO, Bit.ZERO);
- a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
- c.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
-
- new Mux(t, 1, out.createReadWriteEnd(), select.createReadOnlyEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(),
- c.createReadOnlyEnd());
- t.executeAll();
-
- assertBitArrayEquals(out.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
- selectIn.feedSignals(Bit.ZERO, Bit.ONE);
- t.executeAll();
-
- assertBitArrayEquals(out.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
-
- selectIn.feedSignals(Bit.ONE, Bit.ONE);
- t.executeAll();
-
- assertBitArrayEquals(out.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
-
- }
-
- @Test
- void demuxTest()
- {
- t.reset();
- Wire a = new Wire(t, 4, 3), b = new Wire(t, 4, 6), c = new Wire(t, 4, 4), select = new Wire(t, 2, 5), in = new Wire(t, 4, 1);
- ReadWriteEnd selectIn = select.createReadWriteEnd();
-
- selectIn.feedSignals(Bit.ZERO, Bit.ZERO);
- in.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
-
- new Demux(t, 1, in.createReadOnlyEnd(), select.createReadOnlyEnd(), a.createReadWriteEnd(), b.createReadWriteEnd(),
- c.createReadWriteEnd());
- t.executeAll();
-
- assertBitArrayEquals(a.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
- assertBitArrayEquals(b.getValues(), Bit.U, Bit.U, Bit.U, Bit.U);
- assertBitArrayEquals(c.getValues(), Bit.U, Bit.U, Bit.U, Bit.U);
- selectIn.feedSignals(Bit.ZERO, Bit.ONE);
- t.executeAll();
-
- assertBitArrayEquals(a.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
- assertBitArrayEquals(b.getValues(), Bit.U, Bit.U, Bit.U, Bit.U);
- assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
-
- selectIn.feedSignals(Bit.ONE, Bit.ONE);
- t.executeAll();
-
- assertBitArrayEquals(a.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
- assertBitArrayEquals(b.getValues(), Bit.U, Bit.U, Bit.U, Bit.U);
- assertBitArrayEquals(c.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);
-
- }
-
- @Test
- void andTest()
- {
- t.reset();
- Wire a = new Wire(t, 4, 1), b = new Wire(t, 4, 3), c = new Wire(t, 4, 1);
- new AndGate(t, 1, c.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd());
- a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);
- b.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
-
- t.executeAll();
-
- assertBitArrayEquals(c.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ZERO);
- }
-
- @Test
- void orTest()
- {
- t.reset();
- Wire a = new Wire(t, 4, 1), b = new Wire(t, 4, 3), c = new Wire(t, 4, 1);
- new OrGate(t, 1, c.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd());
- a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);
- b.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
-
- t.executeAll();
-
- assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ONE);
- }
-
- @Test
- void xorTest()
- {
- t.reset();
- Wire a = new Wire(t, 3, 1), b = new Wire(t, 3, 2), c = new Wire(t, 3, 1), d = new Wire(t, 3, 1);
- new XorGate(t, 1, d.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd());
- a.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE);
- b.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);
- c.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);
-
- t.executeAll();
-
- assertBitArrayEquals(d.getValues(), Bit.ZERO, Bit.ONE, Bit.ONE);
- }
-
- @Test
- void notTest()
- {
- t.reset();
- Wire a = new Wire(t, 3, 1), b = new Wire(t, 3, 2);
- new NotGate(t, 1, a.createReadOnlyEnd(), b.createReadWriteEnd());
- a.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE);
-
- t.executeAll();
-
- assertBitArrayEquals(b.getValues(), Bit.ONE, Bit.ZERO, Bit.ZERO);
- }
-
- @Test
- void rsLatchCircuitTest()
- {
- t.reset();
- Wire r = new Wire(t, 1, 1), s = new Wire(t, 1, 1), t1 = new Wire(t, 1, 15), t2 = new Wire(t, 1, 1), q = new Wire(t, 1, 1),
- nq = new Wire(t, 1, 1);
-
- new OrGate(t, 1, t2.createReadWriteEnd(), r.createReadOnlyEnd(), nq.createReadOnlyEnd());
- new OrGate(t, 1, t1.createReadWriteEnd(), s.createReadOnlyEnd(), q.createReadOnlyEnd());
- new NotGate(t, 1, t2.createReadOnlyEnd(), q.createReadWriteEnd());
- new NotGate(t, 1, t1.createReadOnlyEnd(), nq.createReadWriteEnd());
-
- ReadWriteEnd sIn = s.createReadWriteEnd(), rIn = r.createReadWriteEnd();
-
- sIn.feedSignals(Bit.ONE);
- rIn.feedSignals(Bit.ZERO);
-
- t.executeAll();
-
- assertEquals(Bit.ONE, q.getValue());
- assertEquals(Bit.ZERO, nq.getValue());
-
- sIn.feedSignals(Bit.ZERO);
-
- t.executeAll();
- assertEquals(Bit.ONE, q.getValue());
- assertEquals(Bit.ZERO, nq.getValue());
-
- rIn.feedSignals(Bit.ONE);
-
- t.executeAll();
-
- assertEquals(Bit.ZERO, q.getValue());
- assertEquals(Bit.ONE, nq.getValue());
- }
-
- @Test
- void numericValueTest()
- {
- t.reset();
-
- Wire a = new Wire(t, 4, 1);
- a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE);
-
- t.executeAll();
-
- assertEquals(15, a.getUnsignedValue());
- assertEquals(-1, a.getSignedValue());
- }
-
- boolean flag = false;
-
- @Test
- void simpleTimelineTest()
- {
- Timeline t = new Timeline(3);
- flag = false;
- t.addEvent((e) ->
- {
- if (!flag)
- fail();
- flag = false;
- }, 15);
- t.addEvent((e) ->
- {
- if (flag)
- fail();
- flag = true;
- }, 10);
- t.addEvent((e) ->
- {
- if (flag)
- fail();
- flag = true;
- }, 20);
- t.addEvent((e) ->
- {
- fail("Only supposed to execute until timestamp 20, not 25");
- }, 25);
-
- t.executeUntil(t.laterThan(20), 100);
-
- if (!flag)
- fail();
- }
-
- @Test
- void multipleInputs()
- {
- t.reset();
- Wire w = new Wire(t, 2, 1);
- ReadWriteEnd wI1 = w.createReadWriteEnd(), wI2 = w.createReadWriteEnd();
- wI1.feedSignals(Bit.ONE, Bit.Z);
- wI2.feedSignals(Bit.Z, Bit.X);
- t.executeAll();
- assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.X);
-
- wI2.feedSignals(Bit.ZERO, Bit.Z);
- t.executeAll();
- assertBitArrayEquals(w.getValues(), Bit.X, Bit.Z);
-
- wI2.feedSignals(Bit.Z, Bit.Z);
- t.executeAll();
- assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);
-
- wI2.feedSignals(Bit.ONE, Bit.Z);
- ReadEnd rE = w.createReadOnlyEnd();
- rE.addObserver((i, oldValues) -> fail("WireEnd notified observer, although value did not change."));
- t.executeAll();
- rE.close();
- wI1.feedSignals(Bit.X, Bit.X);
- t.executeAll();
- wI1.addObserver((i, oldValues) -> fail("WireEnd notified observer, although it was closed."));
- wI1.close();
- assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);
- }
-
- @Test
- void wireConnections()
- {
- // Nur ein Experiment, was über mehrere 'passive' Bausteine hinweg passieren würde
-
- t.reset();
-
- Wire a = new Wire(t, 1, 2);
- Wire b = new Wire(t, 1, 2);
- Wire c = new Wire(t, 1, 2);
- ReadWriteEnd aI = a.createReadWriteEnd();
- ReadWriteEnd bI = b.createReadWriteEnd();
- ReadWriteEnd cI = c.createReadWriteEnd();
-
- TestBitDisplay test = new TestBitDisplay(t, c.createReadOnlyEnd());
- TestBitDisplay test2 = new TestBitDisplay(t, a.createReadOnlyEnd());
- 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(t, b.createReadWriteEnd(), c.createReadWriteEnd()).connect();
- 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(t, a.createReadWriteEnd(), b.createReadWriteEnd()).connect();
- 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(BitVector actual, Bit... expected)
- {
- assertArrayEquals(expected, actual.getBits());
- }
-}
+package net.mograsim.logic.core.tests;\r
+\r
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;\r
+import static org.junit.jupiter.api.Assertions.assertEquals;\r
+import static org.junit.jupiter.api.Assertions.fail;\r
+\r
+import java.util.function.LongConsumer;\r
+\r
+import org.junit.jupiter.api.Test;\r
+\r
+import net.mograsim.logic.core.components.Connector;\r
+import net.mograsim.logic.core.components.Demux;\r
+import net.mograsim.logic.core.components.Merger;\r
+import net.mograsim.logic.core.components.Mux;\r
+import net.mograsim.logic.core.components.Splitter;\r
+import net.mograsim.logic.core.components.TriStateBuffer;\r
+import net.mograsim.logic.core.components.gates.AndGate;\r
+import net.mograsim.logic.core.components.gates.NandGate;\r
+import net.mograsim.logic.core.components.gates.NorGate;\r
+import net.mograsim.logic.core.components.gates.NotGate;\r
+import net.mograsim.logic.core.components.gates.OrGate;\r
+import net.mograsim.logic.core.components.gates.XorGate;\r
+import net.mograsim.logic.core.timeline.Timeline;\r
+import net.mograsim.logic.core.types.Bit;\r
+import net.mograsim.logic.core.types.BitVector;\r
+import net.mograsim.logic.core.wires.Wire;\r
+import net.mograsim.logic.core.wires.Wire.ReadEnd;\r
+import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;\r
+\r
+@SuppressWarnings("unused")\r
+class ComponentTest\r
+{\r
+ private Timeline t = new Timeline(11);\r
+\r
+ @Test\r
+ void circuitExampleTest()\r
+ {\r
+ Wire a = new Wire(t, 1, 1), b = new Wire(t, 1, 1), c = new Wire(t, 1, 10), d = new Wire(t, 2, 1), e = new Wire(t, 1, 1),\r
+ f = new Wire(t, 1, 1), g = new Wire(t, 1, 1), h = new Wire(t, 2, 1), i = new Wire(t, 2, 1), j = new Wire(t, 1, 1),\r
+ k = new Wire(t, 1, 1);\r
+ new AndGate(t, 1, f.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd());\r
+ new NotGate(t, 1, f.createReadOnlyEnd(), g.createReadWriteEnd());\r
+ new Merger(t, h.createReadWriteEnd(), c.createReadOnlyEnd(), g.createReadOnlyEnd());\r
+ new Mux(t, 1, i.createReadWriteEnd(), e.createReadOnlyEnd(), h.createReadOnlyEnd(), d.createReadOnlyEnd());\r
+ new Splitter(t, i.createReadOnlyEnd(), k.createReadWriteEnd(), j.createReadWriteEnd());\r
+\r
+ a.createReadWriteEnd().feedSignals(Bit.ZERO);\r
+ b.createReadWriteEnd().feedSignals(Bit.ONE);\r
+ c.createReadWriteEnd().feedSignals(Bit.ZERO);\r
+ d.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE);\r
+ e.createReadWriteEnd().feedSignals(Bit.ZERO);\r
+\r
+ t.executeAll();\r
+\r
+ assertEquals(Bit.ONE, j.getValue());\r
+ assertEquals(Bit.ZERO, k.getValue());\r
+ }\r
+\r
+ @Test\r
+ void splitterTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 3, 1), b = new Wire(t, 2, 1), c = new Wire(t, 3, 1), in = new Wire(t, 8, 1);\r
+ in.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ new Splitter(t, in.createReadOnlyEnd(), a.createReadWriteEnd(), b.createReadWriteEnd(), c.createReadWriteEnd());\r
+\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(a.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+ assertBitArrayEquals(b.getValues(), Bit.ONE, Bit.ZERO);\r
+ assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ }\r
+\r
+ @Test\r
+ void mergerTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 3, 1), b = new Wire(t, 2, 1), c = new Wire(t, 3, 1), out = new Wire(t, 8, 1);\r
+ a.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+ b.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO);\r
+ c.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ new Merger(t, out.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd());\r
+\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(out.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ }\r
+\r
+ @Test\r
+ void fusionTest1()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 3, 1), b = new Wire(t, 2, 1), c = new Wire(t, 3, 1), out = new Wire(t, 8, 1);\r
+ Wire.fuse(a, out, 0, 0, a.length);\r
+ Wire.fuse(b, out, 0, a.length, b.length);\r
+ Wire.fuse(c, out, 0, a.length + b.length, c.length);\r
+ ReadWriteEnd rA = a.createReadWriteEnd();\r
+ rA.feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+ ReadWriteEnd rB = b.createReadWriteEnd();\r
+ rB.feedSignals(Bit.ONE, Bit.ZERO);\r
+ ReadWriteEnd rC = c.createReadWriteEnd();\r
+ rC.feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ t.executeAll();\r
+ assertBitArrayEquals(out.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ out.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+ t.executeAll();\r
+ assertBitArrayEquals(rA.getValues(), Bit.X, Bit.X, Bit.X);\r
+ assertBitArrayEquals(rB.getValues(), Bit.X, Bit.X);\r
+ assertBitArrayEquals(rC.getValues(), Bit.X, Bit.X, Bit.X);\r
+ rA.clearSignals();\r
+ rB.clearSignals();\r
+ rC.clearSignals();\r
+ t.executeAll();\r
+ assertBitArrayEquals(rA.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ assertBitArrayEquals(rB.getValues(), Bit.ZERO, Bit.ONE);\r
+ assertBitArrayEquals(rC.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+ }\r
+\r
+ @Test\r
+ void fusionTest2()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 3, 1), b = new Wire(t, 3, 1);\r
+ Wire.fuse(a, b);\r
+ ReadWriteEnd rw = a.createReadWriteEnd();\r
+ t.executeAll();\r
+ assertBitArrayEquals(b.getValues(), Bit.U, Bit.U, Bit.U);\r
+\r
+ rw.feedSignals(Bit.ONE, Bit.U, Bit.Z);\r
+ t.executeAll();\r
+ assertBitArrayEquals(b.getValues(), Bit.ONE, Bit.U, Bit.Z);\r
+ }\r
+\r
+ @Test\r
+ void fusionTest3()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 3, 1), b = new Wire(t, 3, 1);\r
+ a.createReadWriteEnd().feedSignals(Bit.Z, Bit.U, Bit.X);\r
+ t.executeAll();\r
+ Wire.fuse(a, b);\r
+ t.executeAll();\r
+ assertBitArrayEquals(b.getValues(), Bit.Z, Bit.U, Bit.X);\r
+ }\r
+\r
+// @Test\r
+// void connectorTest()\r
+// {\r
+// t.reset();\r
+// Wire a = new Wire(t, 3, 1), b = new Wire(t, 3, 1);\r
+// new Connector(t, a.createReadWriteEnd(), b.createReadWriteEnd()).connect();\r
+//// b.createReadWriteEnd();\r
+// a.createReadWriteEnd();\r
+// t.executeAll();\r
+// assertBitArrayEquals(b.getValues(), Bit.U, Bit.U, Bit.U);\r
+// }\r
+\r
+ @Test\r
+ void triStateBufferTest()\r
+ {\r
+ Wire a = new Wire(t, 1, 1), b = new Wire(t, 1, 1), en = new Wire(t, 1, 1), notEn = new Wire(t, 1, 1);\r
+ new NotGate(t, 1, en.createReadOnlyEnd(), notEn.createReadWriteEnd());\r
+ new TriStateBuffer(t, 1, a.createReadOnlyEnd(), b.createReadWriteEnd(), en.createReadOnlyEnd());\r
+ new TriStateBuffer(t, 1, b.createReadOnlyEnd(), a.createReadWriteEnd(), notEn.createReadOnlyEnd());\r
+\r
+ ReadWriteEnd enI = en.createReadWriteEnd(), aI = a.createReadWriteEnd(), bI = b.createReadWriteEnd();\r
+ enI.feedSignals(Bit.ONE);\r
+ aI.feedSignals(Bit.ONE);\r
+ bI.feedSignals(Bit.Z);\r
+\r
+ t.executeAll();\r
+\r
+ assertEquals(Bit.ONE, b.getValue());\r
+\r
+ bI.feedSignals(Bit.ZERO);\r
+\r
+ t.executeAll();\r
+\r
+ assertEquals(Bit.X, b.getValue());\r
+ assertEquals(Bit.ONE, a.getValue());\r
+\r
+ aI.clearSignals();\r
+ enI.feedSignals(Bit.ZERO);\r
+\r
+ t.executeAll();\r
+\r
+ assertEquals(Bit.ZERO, a.getValue());\r
+\r
+ }\r
+\r
+ @Test\r
+ void muxTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 4, 3), b = new Wire(t, 4, 6), c = new Wire(t, 4, 4), select = new Wire(t, 2, 5), out = new Wire(t, 4, 1);\r
+ ReadWriteEnd selectIn = select.createReadWriteEnd();\r
+\r
+ selectIn.feedSignals(Bit.ZERO, Bit.ZERO);\r
+ a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+ c.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ new Mux(t, 1, out.createReadWriteEnd(), select.createReadOnlyEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(),\r
+ c.createReadOnlyEnd());\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(out.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+ selectIn.feedSignals(Bit.ZERO, Bit.ONE);\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(out.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ selectIn.feedSignals(Bit.ONE, Bit.ONE);\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(out.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);\r
+\r
+ }\r
+\r
+ @Test\r
+ void demuxTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 4, 3), b = new Wire(t, 4, 6), c = new Wire(t, 4, 4), select = new Wire(t, 2, 5), in = new Wire(t, 4, 1);\r
+ ReadWriteEnd selectIn = select.createReadWriteEnd();\r
+\r
+ selectIn.feedSignals(Bit.ZERO, Bit.ZERO);\r
+ in.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+\r
+ new Demux(t, 1, in.createReadOnlyEnd(), select.createReadOnlyEnd(), a.createReadWriteEnd(), b.createReadWriteEnd(),\r
+ c.createReadWriteEnd());\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(a.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+ assertBitArrayEquals(b.getValues(), Bit.U, Bit.U, Bit.U, Bit.U);\r
+ assertBitArrayEquals(c.getValues(), Bit.U, Bit.U, Bit.U, Bit.U);\r
+ selectIn.feedSignals(Bit.ZERO, Bit.ONE);\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(a.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);\r
+ assertBitArrayEquals(b.getValues(), Bit.U, Bit.U, Bit.U, Bit.U);\r
+ assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+\r
+ selectIn.feedSignals(Bit.ONE, Bit.ONE);\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(a.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);\r
+ assertBitArrayEquals(b.getValues(), Bit.U, Bit.U, Bit.U, Bit.U);\r
+ assertBitArrayEquals(c.getValues(), Bit.Z, Bit.Z, Bit.Z, Bit.Z);\r
+\r
+ }\r
+\r
+ @Test\r
+ void andTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 4, 1), b = new Wire(t, 4, 3), c = new Wire(t, 4, 1);\r
+ new AndGate(t, 1, c.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd());\r
+ a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ b.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(c.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ }\r
+\r
+ @Test\r
+ void orTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 4, 1), b = new Wire(t, 4, 3), c = new Wire(t, 4, 1);\r
+ new OrGate(t, 1, c.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd());\r
+ a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ b.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ }\r
+\r
+ @Test\r
+ void nandTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 4, 1), b = new Wire(t, 4, 3), c = new Wire(t, 4, 1), d = new Wire(t, 4, 1);\r
+ new NandGate(t, 1, d.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd());\r
+ a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ b.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ c.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(d.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ONE);\r
+ }\r
+\r
+ @Test\r
+ void norTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 4, 1), b = new Wire(t, 4, 3), c = new Wire(t, 4, 1), d = new Wire(t, 4, 1);\r
+ new NorGate(t, 1, d.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd());\r
+ a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ b.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ c.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(d.getValues(), Bit.ZERO, Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+ }\r
+\r
+ @Test\r
+ void xorTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 3, 1), b = new Wire(t, 3, 2), c = new Wire(t, 3, 1), d = new Wire(t, 3, 1);\r
+ new XorGate(t, 1, d.createReadWriteEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd());\r
+ a.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE);\r
+ b.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ c.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(d.getValues(), Bit.ZERO, Bit.ONE, Bit.ONE);\r
+ }\r
+\r
+ @Test\r
+ void notTest()\r
+ {\r
+ t.reset();\r
+ Wire a = new Wire(t, 3, 1), b = new Wire(t, 3, 2);\r
+ new NotGate(t, 1, a.createReadOnlyEnd(), b.createReadWriteEnd());\r
+ a.createReadWriteEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE);\r
+\r
+ t.executeAll();\r
+\r
+ assertBitArrayEquals(b.getValues(), Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ }\r
+\r
+ @Test\r
+ void rsLatchCircuitTest()\r
+ {\r
+ t.reset();\r
+ Wire r = new Wire(t, 1, 1), s = new Wire(t, 1, 1), t1 = new Wire(t, 1, 15), t2 = new Wire(t, 1, 1), q = new Wire(t, 1, 1),\r
+ nq = new Wire(t, 1, 1);\r
+\r
+ new OrGate(t, 1, t2.createReadWriteEnd(), r.createReadOnlyEnd(), nq.createReadOnlyEnd());\r
+ new OrGate(t, 1, t1.createReadWriteEnd(), s.createReadOnlyEnd(), q.createReadOnlyEnd());\r
+ new NotGate(t, 1, t2.createReadOnlyEnd(), q.createReadWriteEnd());\r
+ new NotGate(t, 1, t1.createReadOnlyEnd(), nq.createReadWriteEnd());\r
+\r
+ ReadWriteEnd sIn = s.createReadWriteEnd(), rIn = r.createReadWriteEnd();\r
+\r
+ sIn.feedSignals(Bit.ONE);\r
+ rIn.feedSignals(Bit.ZERO);\r
+\r
+ t.executeAll();\r
+\r
+ assertEquals(Bit.ONE, q.getValue());\r
+ assertEquals(Bit.ZERO, nq.getValue());\r
+\r
+ sIn.feedSignals(Bit.ZERO);\r
+\r
+ t.executeAll();\r
+ assertEquals(Bit.ONE, q.getValue());\r
+ assertEquals(Bit.ZERO, nq.getValue());\r
+\r
+ rIn.feedSignals(Bit.ONE);\r
+\r
+ t.executeAll();\r
+\r
+ assertEquals(Bit.ZERO, q.getValue());\r
+ assertEquals(Bit.ONE, nq.getValue());\r
+ }\r
+\r
+ @Test\r
+ void numericValueTest()\r
+ {\r
+ t.reset();\r
+\r
+ Wire a = new Wire(t, 4, 1);\r
+ a.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE);\r
+\r
+ t.executeAll();\r
+\r
+ assertEquals(15, a.getUnsignedValue());\r
+ assertEquals(-1, a.getSignedValue());\r
+ }\r
+\r
+ boolean flag = false;\r
+\r
+ @Test\r
+ void simpleTimelineTest()\r
+ {\r
+ Timeline t = new Timeline(3);\r
+ flag = false;\r
+ t.addEvent((e) ->\r
+ {\r
+ if (!flag)\r
+ fail("Events executed out of order!");\r
+ flag = false;\r
+ }, 15);\r
+ t.addEvent((e) ->\r
+ {\r
+ if (flag)\r
+ fail("Events executed out of order!");\r
+ flag = true;\r
+ }, 10);\r
+ t.addEvent((e) ->\r
+ {\r
+ if (flag)\r
+ fail("Events executed out of order!");\r
+ flag = true;\r
+ }, 20);\r
+ t.addEvent((e) ->\r
+ {\r
+ fail("Only supposed to execute until timestamp 20, not 25");\r
+ }, 25);\r
+\r
+ t.executeUntil(t.laterThan(20), 100);\r
+\r
+ if (!flag)\r
+ fail("Not all events were executed in order!");\r
+ }\r
+\r
+ @Test\r
+ void multipleInputs()\r
+ {\r
+ t.reset();\r
+ Wire w = new Wire(t, 2, 1);\r
+ ReadWriteEnd wI1 = w.createReadWriteEnd(), wI2 = w.createReadWriteEnd();\r
+ wI1.feedSignals(Bit.ONE, Bit.Z);\r
+ wI2.feedSignals(Bit.Z, Bit.X);\r
+ t.executeAll();\r
+ assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.X);\r
+\r
+ wI2.feedSignals(Bit.ZERO, Bit.Z);\r
+ t.executeAll();\r
+ assertBitArrayEquals(w.getValues(), Bit.X, Bit.Z);\r
+\r
+ wI2.feedSignals(Bit.Z, Bit.Z);\r
+ t.executeAll();\r
+ assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);\r
+\r
+ wI2.feedSignals(Bit.ONE, Bit.Z);\r
+ ReadEnd rE = w.createReadOnlyEnd();\r
+ rE.registerObserver((i) -> fail("WireEnd notified observer, although value did not change."));\r
+ t.executeAll();\r
+ rE.close();\r
+ wI1.feedSignals(Bit.X, Bit.X);\r
+ t.executeAll();\r
+ wI1.registerObserver((i) -> fail("WireEnd notified observer, although it was closed."));\r
+ wI1.close();\r
+ assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);\r
+ }\r
+\r
+ @Test\r
+ void wireConnections()\r
+ {\r
+ // Nur ein Experiment, was über mehrere 'passive' Bausteine hinweg passieren würde\r
+\r
+ t.reset();\r
+\r
+ Wire a = new Wire(t, 1, 2);\r
+ Wire b = new Wire(t, 1, 2);\r
+ Wire c = new Wire(t, 1, 2);\r
+ ReadWriteEnd aI = a.createReadWriteEnd();\r
+ ReadWriteEnd bI = b.createReadWriteEnd();\r
+ ReadWriteEnd cI = c.createReadWriteEnd();\r
+\r
+ TestBitDisplay test = new TestBitDisplay(t, c.createReadOnlyEnd());\r
+ TestBitDisplay test2 = new TestBitDisplay(t, a.createReadOnlyEnd());\r
+ LongConsumer print = time -> System.out.format("Time %2d\n a: %s\n b: %s\n c: %s\n", time, a, b, c);\r
+\r
+ cI.feedSignals(Bit.ONE);\r
+ test.assertAfterSimulationIs(print, Bit.ONE);\r
+\r
+ cI.feedSignals(Bit.X);\r
+ test.assertAfterSimulationIs(print, Bit.X);\r
+\r
+ cI.feedSignals(Bit.X);\r
+ cI.feedSignals(Bit.Z);\r
+ test.assertAfterSimulationIs(print, Bit.Z);\r
+\r
+ new Connector(t, b.createReadWriteEnd(), c.createReadWriteEnd()).connect();\r
+ test.assertAfterSimulationIs(print, Bit.Z);\r
+ System.err.println("ONE");\r
+ bI.feedSignals(Bit.ONE);\r
+ test.assertAfterSimulationIs(print, Bit.ONE);\r
+ System.err.println("ZERO");\r
+ bI.feedSignals(Bit.ZERO);\r
+ test.assertAfterSimulationIs(print, Bit.ZERO);\r
+ System.err.println("Z");\r
+ bI.feedSignals(Bit.Z);\r
+ test.assertAfterSimulationIs(print, Bit.Z);\r
+\r
+ new Connector(t, a.createReadWriteEnd(), b.createReadWriteEnd()).connect();\r
+ System.err.println("Z 2");\r
+ aI.feedSignals(Bit.Z);\r
+ test.assertAfterSimulationIs(print, Bit.Z);\r
+ test2.assertAfterSimulationIs(Bit.Z);\r
+ System.err.println("ONE 2");\r
+ aI.feedSignals(Bit.ONE);\r
+ test.assertAfterSimulationIs(print, Bit.ONE);\r
+ test2.assertAfterSimulationIs(Bit.ONE);\r
+ System.err.println("ZERO 2");\r
+ aI.feedSignals(Bit.ZERO);\r
+ test.assertAfterSimulationIs(print, Bit.ZERO);\r
+ test2.assertAfterSimulationIs(Bit.ZERO);\r
+ System.err.println("Z 2 II");\r
+ aI.feedSignals(Bit.Z);\r
+ test.assertAfterSimulationIs(print, Bit.Z);\r
+ test2.assertAfterSimulationIs(Bit.Z);\r
+\r
+ System.err.println("No Conflict yet");\r
+ bI.feedSignals(Bit.ONE);\r
+ test.assertAfterSimulationIs(print, Bit.ONE);\r
+ test2.assertAfterSimulationIs(Bit.ONE);\r
+ aI.feedSignals(Bit.ONE);\r
+ test.assertAfterSimulationIs(print, Bit.ONE);\r
+ test2.assertAfterSimulationIs(Bit.ONE);\r
+ System.err.println("Conflict");\r
+ aI.feedSignals(Bit.ZERO);\r
+ test.assertAfterSimulationIs(print, Bit.X);\r
+ test2.assertAfterSimulationIs(Bit.X);\r
+ aI.feedSignals(Bit.ONE);\r
+ test.assertAfterSimulationIs(print, Bit.ONE);\r
+ test2.assertAfterSimulationIs(Bit.ONE);\r
+ }\r
+\r
+ private static void assertBitArrayEquals(BitVector actual, Bit... expected)\r
+ {\r
+ assertArrayEquals(expected, actual.getBits());\r
+ }\r
+}\r