import era.mi.logic.Bit;
import era.mi.logic.Simulation;
-import era.mi.logic.components.Mux2;
+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;
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 Merger2(h, c, g);
-// new Mux(1, h, d, e, i);
-// 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.ONE);
-//
-// while(Simulation.TIMELINE.hasNext())
-// {
-// Simulation.TIMELINE.executeNext();
-// }
-//
-// assertEquals(Simulation.TIMELINE.getSimulationTime(), 14);
-// 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())
-// {
-// Simulation.TIMELINE.executeNext();
-// }
-//
-// 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();
-// 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 Merger2(out, a, b, c);
-//
-// while(Simulation.TIMELINE.hasNext())
-// {
-// Simulation.TIMELINE.executeNext();
-// }
-//
-// 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 muxTest()
+ void circuitExampleTest()
{
Simulation.TIMELINE.reset();
- WireArray a = new WireArray(1, 3), b = new WireArray(1, 2), select = new WireArray(1, 1), out = new WireArray(1, 1);
- WireArrayInput selectIn = select.createInput();
+ 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);
- selectIn.feedSignals(Bit.ZERO);
- a.createInput().feedSignals(Bit.ONE);
- b.createInput().feedSignals(Bit.ZERO);
+ 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);
- new Mux2(1, out, select, a, b);
- assertEquals(Bit.Z, out.getValue());
- while(Simulation.TIMELINE.hasNext())
- {
- Simulation.TIMELINE.executeNext();
- }
-
- assertEquals(Bit.ONE, out.getValue());
- selectIn.feedSignals(Bit.ONE);
- while(Simulation.TIMELINE.hasNext())
- {
- Simulation.TIMELINE.executeNext();
- }
+ Simulation.TIMELINE.executeAll();
- assertEquals(out.getValue(), Bit.ZERO);
+ assertEquals(Bit.ONE, j.getValue());
+ assertEquals(Bit.ZERO, k.getValue());
}
- @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);
-
-
- 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())
- {
- Simulation.TIMELINE.executeNext();
- }
-
- assertTrue(Arrays.equals(gate.getOut().getValues(), new Bit[] { Bit.ONE, Bit.ONE, Bit.ZERO, 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, 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);
-
- while(Simulation.TIMELINE.hasNext())
- {
- Simulation.TIMELINE.executeNext();
- }
-
- assertEquals(q.getValue(), Bit.ONE);
- assertEquals(nq.getValue(), Bit.ZERO);
-
- sIn.feedSignals(Bit.ZERO);
-
- while(Simulation.TIMELINE.hasNext())
- {
- Simulation.TIMELINE.executeNext();
- }
-
- assertEquals(q.getValue(), Bit.ONE);
- assertEquals(nq.getValue(), Bit.ZERO);
-
- rIn.feedSignals(Bit.ONE);
-
- while(Simulation.TIMELINE.hasNext())
- {
- Simulation.TIMELINE.executeNext();
- }
-
- assertEquals(q.getValue(), Bit.ZERO);
- assertEquals(nq.getValue(), Bit.ONE);
- }
-
- @Test
- void numericValueTest()
- {
- Simulation.TIMELINE.reset();
-
- WireArray a = new WireArray(4, 1);
- a.createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE);
-
- while(Simulation.TIMELINE.hasNext())
- {
- Simulation.TIMELINE.executeNext();
- }
-
- 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())
- {
- Simulation.TIMELINE.executeNext();
- }
- assertTrue(Arrays.equals(w.getValues(), new Bit[] { Bit.ONE, Bit.X }));
-
- wI2.feedSignals(Bit.ZERO, Bit.Z);
- while(Simulation.TIMELINE.hasNext())
- {
- Simulation.TIMELINE.executeNext();
- }
- assertTrue(Arrays.equals(w.getValues(), new Bit[] { Bit.X, Bit.Z }));
-
- wI2.feedSignals(Bit.Z, Bit.Z);
- while(Simulation.TIMELINE.hasNext())
- {
- Simulation.TIMELINE.executeNext();
- }
- 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())
- {
- Simulation.TIMELINE.executeNext();
- }
- assertTrue(Arrays.equals(w.getValues(), new Bit[] { Bit.ONE, Bit.Z }));
- }
-
+ @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()
{
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);
+ 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);
Connector c1 = new Connector(b, c);
test.assertAfterSimulationIs(print, Bit.Z);
- System.out.println("ONE");
+ System.err.println("ONE");
bI.feedSignals(Bit.ONE);
test.assertAfterSimulationIs(print, Bit.ONE);
- System.out.println("ZERO");
+ System.err.println("ZERO");
bI.feedSignals(Bit.ZERO);
test.assertAfterSimulationIs(print, Bit.ZERO);
- System.out.println("Z");
+ System.err.println("Z");
bI.feedSignals(Bit.Z);
- test.assertAfterSimulationIs(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);
- }
+ private static void assertBitArrayEquals(Bit[] actual, Bit... expected)
+ {
+ assertArrayEquals(expected, actual);
+ }
}
projects / Mograsim.git / blobdiff