import era.mi.logic.Bit;
import era.mi.logic.Simulation;
-import era.mi.logic.WireArray;
import era.mi.logic.components.Merger2;
import era.mi.logic.components.Mux;
+import era.mi.logic.components.Mux2;
import era.mi.logic.components.Splitter;
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 Merger2(h, c, g);
- new Mux(1, h, d, e, i);
- new Splitter(i, k, j);
-
- a.feedSignals(Bit.ZERO);
- b.feedSignals(Bit.ONE);
- c.feedSignals(Bit.ZERO);
- d.feedSignals(Bit.ONE, Bit.ONE);
- e.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.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.feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO);
- b.feedSignals(Bit.ONE, Bit.ZERO);
- c.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 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()
{
Simulation.TIMELINE.reset();
- WireArray a = new WireArray(1, 1), b = new WireArray(1, 1), select = new WireArray(1, 1), out = new WireArray(1, 1);
+ 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();
- select.feedSignals(Bit.ONE);
- a.feedSignals(Bit.ONE);
- b.feedSignals(Bit.ZERO);
+ selectIn.feedSignals(Bit.ZERO);
+ a.createInput().feedSignals(Bit.ONE);
+ b.createInput().feedSignals(Bit.ZERO);
- new Mux(1, a, b, select, out);
- assertEquals(out.getValue(), Bit.X);
+ new Mux2(1, out, select, a, b);
+ assertEquals(Bit.Z, out.getValue());
while(Simulation.TIMELINE.hasNext())
{
Simulation.TIMELINE.executeNext();
}
- assertEquals(out.getValue(), Bit.ONE);
- select.feedSignals(Bit.ZERO);
+ assertEquals(Bit.ONE, out.getValue());
+ selectIn.feedSignals(Bit.ONE);
while(Simulation.TIMELINE.hasNext())
{
Simulation.TIMELINE.executeNext();
assertEquals(out.getValue(), 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().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);
- gate.getB().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
+ 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.reset();
OrGate gate = new OrGate(1, new WireArray(4, 1), new WireArray(4, 1), new WireArray(4, 1));
- gate.getA().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);
- gate.getB().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
-
+ 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 }));
}
new NotGate(1, t2, q);
new NotGate(1, t1, nq);
- s.feedSignals(Bit.ONE);
- r.feedSignals(Bit.ZERO);
+ WireArrayInput sIn = s.createInput(), rIn = r.createInput();
+
+ sIn.feedSignals(Bit.ONE);
+ rIn.feedSignals(Bit.ZERO);
while(Simulation.TIMELINE.hasNext())
{
assertEquals(q.getValue(), Bit.ONE);
assertEquals(nq.getValue(), Bit.ZERO);
- s.feedSignals(Bit.ZERO);
+ sIn.feedSignals(Bit.ZERO);
while(Simulation.TIMELINE.hasNext())
{
assertEquals(q.getValue(), Bit.ONE);
assertEquals(nq.getValue(), Bit.ZERO);
- r.feedSignals(Bit.ONE);
+ rIn.feedSignals(Bit.ONE);
while(Simulation.TIMELINE.hasNext())
{
Simulation.TIMELINE.reset();
WireArray a = new WireArray(4, 1);
- a.feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE);
+ a.createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE);
while(Simulation.TIMELINE.hasNext())
{
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 }));
+ }
}
projects / Mograsim.git / blobdiff