X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=era.mi%2Fsrc%2Fera%2Fmi%2Flogic%2Ftests%2FComponentTest.java;h=cb2195edae4a438b7f1c59fcd1d9fd79bb13511a;hb=dcbba0b189fd37135adc4487f1b8b645e7045bc4;hp=a18228bb3f5a8de4eff3124b34d2bc0c320062fd;hpb=49f569b513c36e8ad421fd5a547bf34bd830652a;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 a18228bb..cb2195ed 100644 --- a/era.mi/src/era/mi/logic/tests/ComponentTest.java +++ b/era.mi/src/era/mi/logic/tests/ComponentTest.java @@ -3,11 +3,13 @@ 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.Connector; +import era.mi.logic.components.Demux; import era.mi.logic.components.Merger; import era.mi.logic.components.Mux; import era.mi.logic.components.Splitter; @@ -15,9 +17,12 @@ 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; +import era.mi.logic.components.gates.XorGate; +import era.mi.logic.types.Bit; +import era.mi.logic.wires.Wire; +import era.mi.logic.wires.Wire.WireEnd; +@SuppressWarnings("unused") class ComponentTest { @@ -25,319 +30,356 @@ class ComponentTest 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); - - while(Simulation.TIMELINE.hasNext()) - { - Simulation.TIMELINE.executeNext(); - } - + Wire a = new Wire(1, 1), b = new Wire(1, 1), c = new Wire(1, 10), d = new Wire(2, 1), e = new Wire(1, 1), f = new Wire(1, 1), + g = new Wire(1, 1), h = new Wire(2, 1), i = new Wire(2, 1), j = new Wire(1, 1), k = new Wire(1, 1); + new AndGate(1, f.createEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd()); + new NotGate(1, f.createReadOnlyEnd(), g.createEnd()); + new Merger(h.createEnd(), c.createReadOnlyEnd(), g.createReadOnlyEnd()); + new Mux(1, i.createEnd(), e.createReadOnlyEnd(), h.createReadOnlyEnd(), d.createReadOnlyEnd()); + new Splitter(i.createReadOnlyEnd(), k.createEnd(), j.createEnd()); + + a.createEnd().feedSignals(Bit.ZERO); + b.createEnd().feedSignals(Bit.ONE); + c.createEnd().feedSignals(Bit.ZERO); + d.createEnd().feedSignals(Bit.ONE, Bit.ONE); + e.createEnd().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); - - while (Simulation.TIMELINE.hasNext()) + @Test + void splitterTest() { - Simulation.TIMELINE.executeNext(); + Simulation.TIMELINE.reset(); + Wire a = new Wire(3, 1), b = new Wire(2, 1), c = new Wire(3, 1), in = new Wire(8, 1); + in.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE); + new Splitter(in.createReadOnlyEnd(), a.createEnd(), b.createEnd(), c.createEnd()); + + 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); } - assertTrue(Arrays.equals(a.getValues(), new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO })); - assertTrue(Arrays.equals(b.getValues(), new Bit[] { Bit.ONE, Bit.ZERO })); - assertTrue(Arrays.equals(c.getValues(), new Bit[] { Bit.ONE, Bit.ZERO, Bit.ONE })); - } + @Test + void mergerTest() + { + Simulation.TIMELINE.reset(); + Wire a = new Wire(3, 1), b = new Wire(2, 1), c = new Wire(3, 1), out = new Wire(8, 1); + a.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO); + b.createEnd().feedSignals(Bit.ONE, Bit.ZERO); + c.createEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE); + + new Merger(out.createEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd()); - @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); + Simulation.TIMELINE.executeAll(); - new Merger(out, a, b, c); + assertTrue( + Arrays.equals(out.getValues(), new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE })); + } - while (Simulation.TIMELINE.hasNext()) + @Test + void triStateBufferTest() { - Simulation.TIMELINE.executeNext(); - } + Wire a = new Wire(1, 1), b = new Wire(1, 1), en = new Wire(1, 1), notEn = new Wire(1, 1); + new NotGate(1, en.createReadOnlyEnd(), notEn.createEnd()); + new TriStateBuffer(1, a.createReadOnlyEnd(), b.createEnd(), en.createReadOnlyEnd()); + new TriStateBuffer(1, b.createReadOnlyEnd(), a.createEnd(), notEn.createReadOnlyEnd()); - assertTrue(Arrays.equals(out.getValues(), - new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE })); - } + WireEnd enI = en.createEnd(), aI = a.createEnd(), bI = b.createEnd(); + enI.feedSignals(Bit.ONE); + aI.feedSignals(Bit.ONE); + bI.feedSignals(Bit.Z); - @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); + Simulation.TIMELINE.executeAll(); - WireArrayInput enI = en.createInput(), aI = a.createInput(), bI = b.createInput(); - enI.feedSignals(Bit.ONE); - aI.feedSignals(Bit.ONE); + assertEquals(Bit.ONE, b.getValue()); - while (Simulation.TIMELINE.hasNext()) - { - Simulation.TIMELINE.executeNext(); - } + bI.feedSignals(Bit.ZERO); - assertEquals(Bit.ONE, b.getValue()); + Simulation.TIMELINE.executeAll(); - bI.feedSignals(Bit.ZERO); + assertEquals(Bit.X, b.getValue()); + assertEquals(Bit.ONE, a.getValue()); - while (Simulation.TIMELINE.hasNext()) - { - Simulation.TIMELINE.executeNext(); - } + aI.clearSignals(); + enI.feedSignals(Bit.ZERO); - assertEquals(Bit.X, b.getValue()); - assertEquals(Bit.ONE, a.getValue()); + Simulation.TIMELINE.executeAll(); - aI.clearSignals(); - enI.feedSignals(Bit.ZERO); + assertEquals(Bit.ZERO, a.getValue()); - while (Simulation.TIMELINE.hasNext()) - { - Simulation.TIMELINE.executeNext(); } - assertEquals(Bit.ZERO, a.getValue()); + @Test + void muxTest() + { + Simulation.TIMELINE.reset(); + Wire a = new Wire(4, 3), b = new Wire(4, 6), c = new Wire(4, 4), select = new Wire(2, 5), out = new Wire(4, 1); + WireEnd selectIn = select.createEnd(); - } + selectIn.feedSignals(Bit.ZERO, Bit.ZERO); + a.createEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO); + c.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE); - @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(); + new Mux(1, out.createEnd(), select.createReadOnlyEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd()); + Simulation.TIMELINE.executeAll(); - 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); + 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); - new Mux(1, out, select, a, b, c); - while (Simulation.TIMELINE.hasNext()) - { - Simulation.TIMELINE.executeNext(); } - assertTrue(Arrays.equals(new Bit[] { Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO }, out.getValues())); - selectIn.feedSignals(Bit.ZERO, Bit.ONE); - while (Simulation.TIMELINE.hasNext()) + @Test + void demuxTest() { - Simulation.TIMELINE.executeNext(); - } + Simulation.TIMELINE.reset(); + Wire a = new Wire(4, 3), b = new Wire(4, 6), c = new Wire(4, 4), select = new Wire(2, 5), in = new Wire(4, 1); + WireEnd selectIn = select.createEnd(); - assertTrue(Arrays.equals(new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE }, out.getValues())); + selectIn.feedSignals(Bit.ZERO, Bit.ZERO); + in.createEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO); - selectIn.feedSignals(Bit.ONE, Bit.ONE); - while (Simulation.TIMELINE.hasNext()) - { - Simulation.TIMELINE.executeNext(); - } + new Demux(1, in.createReadOnlyEnd(), select.createReadOnlyEnd(), a.createEnd(), b.createEnd(), c.createEnd()); + Simulation.TIMELINE.executeAll(); - assertTrue(Arrays.equals(new Bit[] { Bit.Z, Bit.Z, Bit.Z, Bit.Z }, out.getValues())); + 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); + Simulation.TIMELINE.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); - @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); + selectIn.feedSignals(Bit.ONE, Bit.ONE); + Simulation.TIMELINE.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); - while (Simulation.TIMELINE.hasNext()) - { - Simulation.TIMELINE.executeNext(); } - assertTrue(Arrays.equals(gate.getOut().getValues(), new Bit[] { Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ZERO })); - } - - @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); - - while (Simulation.TIMELINE.hasNext()) + + @Test + void andTest() { - Simulation.TIMELINE.executeNext(); - } + Simulation.TIMELINE.reset(); + Wire a = new Wire(4, 1), b = new Wire(4, 3), c = new Wire(4, 1); + new AndGate(1, c.createEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd()); + a.createEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO); + b.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE); - assertTrue(Arrays.equals(gate.getOut().getValues(), new Bit[] { Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ONE })); - } + Simulation.TIMELINE.executeAll(); - @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); + assertBitArrayEquals(c.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ZERO); + } - new OrGate(1, r, nq, t2); - new OrGate(1, s, q, t1); - new NotGate(1, t2, q); - new NotGate(1, t1, nq); + @Test + void orTest() + { + Simulation.TIMELINE.reset(); + Wire a = new Wire(4, 1), b = new Wire(4, 3), c = new Wire(4, 1); + new OrGate(1, c.createEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd()); + a.createEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO); + b.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE); - WireArrayInput sIn = s.createInput(), rIn = r.createInput(); + Simulation.TIMELINE.executeAll(); - sIn.feedSignals(Bit.ONE); - rIn.feedSignals(Bit.ZERO); + assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ONE); + } - while (Simulation.TIMELINE.hasNext()) + @Test + void xorTest() { - Simulation.TIMELINE.executeNext(); - } + Simulation.TIMELINE.reset(); + Wire a = new Wire(3, 1), b = new Wire(3, 2), c = new Wire(3, 1), d = new Wire(3, 1); + new XorGate(1, d.createEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd()); + a.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE); + b.createEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE); + c.createEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE); - assertEquals(q.getValue(), Bit.ONE); - assertEquals(nq.getValue(), Bit.ZERO); + Simulation.TIMELINE.executeAll(); - sIn.feedSignals(Bit.ZERO); + assertBitArrayEquals(d.getValues(), Bit.ZERO, Bit.ONE, Bit.ONE); + } - while (Simulation.TIMELINE.hasNext()) + @Test + void notTest() { - Simulation.TIMELINE.executeNext(); - } + Simulation.TIMELINE.reset(); + Wire a = new Wire(3, 1), b = new Wire(3, 2); + new NotGate(1, a.createReadOnlyEnd(), b.createEnd()); + a.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE); - assertEquals(q.getValue(), Bit.ONE); - assertEquals(nq.getValue(), Bit.ZERO); + Simulation.TIMELINE.executeAll(); - rIn.feedSignals(Bit.ONE); + assertBitArrayEquals(b.getValues(), Bit.ONE, Bit.ZERO, Bit.ZERO); + } - while (Simulation.TIMELINE.hasNext()) + @Test + void rsLatchCircuitTest() { - Simulation.TIMELINE.executeNext(); - } + Simulation.TIMELINE.reset(); + Wire r = new Wire(1, 1), s = new Wire(1, 1), t1 = new Wire(1, 15), t2 = new Wire(1, 1), q = new Wire(1, 1), nq = new Wire(1, 1); - assertEquals(q.getValue(), Bit.ZERO); - assertEquals(nq.getValue(), Bit.ONE); - } + new OrGate(1, t2.createEnd(), r.createReadOnlyEnd(), nq.createReadOnlyEnd()); + new OrGate(1, t1.createEnd(), s.createReadOnlyEnd(), q.createReadOnlyEnd()); + new NotGate(1, t2.createReadOnlyEnd(), q.createEnd()); + new NotGate(1, t1.createReadOnlyEnd(), nq.createEnd()); - @Test - void numericValueTest() - { - Simulation.TIMELINE.reset(); + WireEnd sIn = s.createEnd(), rIn = r.createEnd(); - WireArray a = new WireArray(4, 1); - a.createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE); + sIn.feedSignals(Bit.ONE); + rIn.feedSignals(Bit.ZERO); - while (Simulation.TIMELINE.hasNext()) - { - Simulation.TIMELINE.executeNext(); + 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()); } - assertEquals(a.getUnsignedValue(), 15); - assertEquals(a.getSignedValue(), -1); - } - - @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); - while (Simulation.TIMELINE.hasNext()) + @Test + void numericValueTest() { - Simulation.TIMELINE.executeNext(); + Simulation.TIMELINE.reset(); + + Wire a = new Wire(4, 1); + a.createEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE); + + Simulation.TIMELINE.executeAll(); + + assertEquals(15, a.getUnsignedValue()); + assertEquals(-1, a.getSignedValue()); } - assertTrue(Arrays.equals(w.getValues(), new Bit[] { Bit.ONE, Bit.X })); - wI2.feedSignals(Bit.ZERO, Bit.Z); - while (Simulation.TIMELINE.hasNext()) + @Test + void multipleInputs() { - Simulation.TIMELINE.executeNext(); + Simulation.TIMELINE.reset(); + Wire w = new Wire(2, 1); + WireEnd wI1 = w.createEnd(), wI2 = w.createEnd(); + 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); } - assertTrue(Arrays.equals(w.getValues(), new Bit[] { Bit.X, Bit.Z })); - wI2.feedSignals(Bit.Z, Bit.Z); - while (Simulation.TIMELINE.hasNext()) + @Test + void wireConnections() { - Simulation.TIMELINE.executeNext(); + // Nur ein Experiment, was über mehrere 'passive' Bausteine hinweg passieren würde + + Simulation.TIMELINE.reset(); + + Wire a = new Wire(1, 2); + Wire b = new Wire(1, 2); + Wire c = new Wire(1, 2); + WireEnd aI = a.createEnd(); + WireEnd bI = b.createEnd(); + WireEnd cI = c.createEnd(); + + TestBitDisplay test = new TestBitDisplay(c.createReadOnlyEnd()); + TestBitDisplay test2 = new TestBitDisplay(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(b.createEnd(), c.createEnd()).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(a.createEnd(), b.createEnd()).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); } - assertTrue(Arrays.equals(w.getValues(), new Bit[] { Bit.ONE, Bit.Z })); - wI2.feedSignals(Bit.ONE, Bit.Z); - w.addObserver((i) -> fail("WireArray notified observer, although value did not change.")); - while (Simulation.TIMELINE.hasNext()) + private static void assertBitArrayEquals(Bit[] actual, Bit... expected) { - Simulation.TIMELINE.executeNext(); + assertArrayEquals(expected, actual); } - assertTrue(Arrays.equals(w.getValues(), new Bit[] { 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); -// LongConsumer print = time -> System.out.format("Time %2d\n %s\n %s\n %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.out.println("ONE"); -// bI.feedSignals(Bit.ONE); -// test.assertAfterSimulationIs(print, Bit.ONE); -// System.out.println("ZERO"); -// bI.feedSignals(Bit.ZERO); -// test.assertAfterSimulationIs(print, Bit.ZERO); -// System.out.println("Z"); -// bI.feedSignals(Bit.Z); -// test.assertAfterSimulationIs(Bit.Z); -// } - - private static void assertBitArrayEquals(Bit[] actual, Bit... expected) - { - assertArrayEquals(expected, actual); - } }