- assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ONE);\r
- }\r
- \r
- @Test\r
- void xorTest()\r
- {\r
- Simulation.TIMELINE.reset();\r
- WireArray a = new WireArray(3, 1), b = new WireArray(3, 2), c = new WireArray(3, 1), d = new WireArray(3, 1);\r
- new XorGate(1, d, a, b, c);\r
- a.createInput().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE);\r
- b.createInput().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);\r
- c.createInput().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);\r
-\r
- Simulation.TIMELINE.executeAll();\r
-\r
- assertBitArrayEquals(d.getValues(), Bit.ZERO, Bit.ONE, Bit.ONE);\r
- }\r
-\r
- @Test\r
- void rsLatchCircuitTest()\r
- {\r
- Simulation.TIMELINE.reset();\r
- WireArray r = new WireArray(1, 1), s = new WireArray(1, 1), t1 = new WireArray(1, 15), t2 = new WireArray(1, 1),\r
- q = new WireArray(1, 1), nq = new WireArray(1, 1);\r
-\r
- new OrGate(1, t2, r, nq);\r
- new OrGate(1, t1, s, q);\r
- new NotGate(1, t2, q);\r
- new NotGate(1, t1, nq);\r
-\r
- WireArrayInput sIn = s.createInput(), rIn = r.createInput();\r
-\r
- sIn.feedSignals(Bit.ONE);\r
- rIn.feedSignals(Bit.ZERO);\r
-\r
- Simulation.TIMELINE.executeAll();\r
-\r
- assertEquals(Bit.ONE, q.getValue());\r
- assertEquals(Bit.ZERO, nq.getValue());\r
-\r
- sIn.feedSignals(Bit.ZERO);\r
-\r
- Simulation.TIMELINE.executeAll();\r
- assertEquals(Bit.ONE, q.getValue());\r
- assertEquals(Bit.ZERO, nq.getValue());\r
-\r
- rIn.feedSignals(Bit.ONE);\r
-\r
- Simulation.TIMELINE.executeAll();\r
-\r
- assertEquals(Bit.ZERO, q.getValue());\r
- assertEquals(Bit.ONE, nq.getValue());\r
- }\r
-\r
- @Test\r
- void numericValueTest()\r
- {\r
- Simulation.TIMELINE.reset();\r
-\r
- WireArray a = new WireArray(4, 1);\r
- a.createInput().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE);\r
-\r
- Simulation.TIMELINE.executeAll();\r
-\r
- assertEquals(15, a.getUnsignedValue());\r
- assertEquals(-1, a.getSignedValue());\r
- }\r
-\r
- @Test\r
- void multipleInputs()\r
- {\r
- Simulation.TIMELINE.reset();\r
- WireArray w = new WireArray(2, 1);\r
- WireArrayInput wI1 = w.createInput(), wI2 = w.createInput();\r
- wI1.feedSignals(Bit.ONE, Bit.Z);\r
- wI2.feedSignals(Bit.Z, Bit.X);\r
- Simulation.TIMELINE.executeAll();\r
- assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.X);\r
-\r
- wI2.feedSignals(Bit.ZERO, Bit.Z);\r
- Simulation.TIMELINE.executeAll();\r
- assertBitArrayEquals(w.getValues(), Bit.X, Bit.Z);\r
-\r
- wI2.feedSignals(Bit.Z, Bit.Z);\r
- Simulation.TIMELINE.executeAll();\r
- assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);\r
-\r
- wI2.feedSignals(Bit.ONE, Bit.Z);\r
- w.addObserver((i, oldValues) -> fail("WireArray notified observer, although value did not change."));\r
- Simulation.TIMELINE.executeAll();\r
- assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);\r
- }\r
+ @Test\r
+ void demuxTest()\r
+ {\r
+ Simulation.TIMELINE.reset();\r
+ 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);\r
+ WireEnd selectIn = select.createEnd();\r
+\r
+ selectIn.feedSignals(Bit.ZERO, Bit.ZERO);\r
+ in.createEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);\r
+\r
+ new Demux(1, in.createReadOnlyEnd(), select.createReadOnlyEnd(), a.createEnd(), b.createEnd(), c.createEnd());\r
+ Simulation.TIMELINE.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
+ Simulation.TIMELINE.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
+ Simulation.TIMELINE.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
+ Simulation.TIMELINE.reset();\r
+ Wire a = new Wire(4, 1), b = new Wire(4, 3), c = new Wire(4, 1);\r
+ new AndGate(1, c.createEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd());\r
+ a.createEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ b.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ Simulation.TIMELINE.executeAll();\r
+\r
+ assertBitArrayEquals(c.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ }\r
+\r
+ @Test\r
+ void orTest()\r
+ {\r
+ Simulation.TIMELINE.reset();\r
+ Wire a = new Wire(4, 1), b = new Wire(4, 3), c = new Wire(4, 1);\r
+ new OrGate(1, c.createEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd());\r
+ a.createEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ b.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ Simulation.TIMELINE.executeAll();\r
+\r
+ assertBitArrayEquals(c.getValues(), Bit.ONE, Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ }\r
+\r
+ @Test\r
+ void xorTest()\r
+ {\r
+ Simulation.TIMELINE.reset();\r
+ Wire a = new Wire(3, 1), b = new Wire(3, 2), c = new Wire(3, 1), d = new Wire(3, 1);\r
+ new XorGate(1, d.createEnd(), a.createReadOnlyEnd(), b.createReadOnlyEnd(), c.createReadOnlyEnd());\r
+ a.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE);\r
+ b.createEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);\r
+ c.createEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);\r
+\r
+ Simulation.TIMELINE.executeAll();\r
+\r
+ assertBitArrayEquals(d.getValues(), Bit.ZERO, Bit.ONE, Bit.ONE);\r
+ }\r
+\r
+ @Test\r
+ void notTest()\r
+ {\r
+ Simulation.TIMELINE.reset();\r
+ Wire a = new Wire(3, 1), b = new Wire(3, 2);\r
+ new NotGate(1, a.createReadOnlyEnd(), b.createEnd());\r
+ a.createEnd().feedSignals(Bit.ZERO, Bit.ONE, Bit.ONE);\r
+\r
+ Simulation.TIMELINE.executeAll();\r
+\r
+ assertBitArrayEquals(b.getValues(), Bit.ONE, Bit.ZERO, Bit.ZERO);\r
+ }\r
+\r
+ @Test\r
+ void rsLatchCircuitTest()\r
+ {\r
+ Simulation.TIMELINE.reset();\r
+ 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);\r
+\r
+ new OrGate(1, t2.createEnd(), r.createReadOnlyEnd(), nq.createReadOnlyEnd());\r
+ new OrGate(1, t1.createEnd(), s.createReadOnlyEnd(), q.createReadOnlyEnd());\r
+ new NotGate(1, t2.createReadOnlyEnd(), q.createEnd());\r
+ new NotGate(1, t1.createReadOnlyEnd(), nq.createEnd());\r
+\r
+ WireEnd sIn = s.createEnd(), rIn = r.createEnd();\r
+\r
+ sIn.feedSignals(Bit.ONE);\r
+ rIn.feedSignals(Bit.ZERO);\r
+\r
+ Simulation.TIMELINE.executeAll();\r
+\r
+ assertEquals(Bit.ONE, q.getValue());\r
+ assertEquals(Bit.ZERO, nq.getValue());\r
+\r
+ sIn.feedSignals(Bit.ZERO);\r
+\r
+ Simulation.TIMELINE.executeAll();\r
+ assertEquals(Bit.ONE, q.getValue());\r
+ assertEquals(Bit.ZERO, nq.getValue());\r
+\r
+ rIn.feedSignals(Bit.ONE);\r
+\r
+ Simulation.TIMELINE.executeAll();\r
+\r
+ assertEquals(Bit.ZERO, q.getValue());\r
+ assertEquals(Bit.ONE, nq.getValue());\r
+ }\r
+\r
+ @Test\r
+ void numericValueTest()\r
+ {\r
+ Simulation.TIMELINE.reset();\r
+\r
+ Wire a = new Wire(4, 1);\r
+ a.createEnd().feedSignals(Bit.ONE, Bit.ONE, Bit.ONE, Bit.ONE);\r
+\r
+ Simulation.TIMELINE.executeAll();\r
+\r
+ assertEquals(15, a.getUnsignedValue());\r
+ assertEquals(-1, a.getSignedValue());\r
+ }\r
+\r
+ @Test\r
+ void multipleInputs()\r
+ {\r
+ Simulation.TIMELINE.reset();\r
+ Wire w = new Wire(2, 1);\r
+ WireEnd wI1 = w.createEnd(), wI2 = w.createEnd();\r
+ wI1.feedSignals(Bit.ONE, Bit.Z);\r
+ wI2.feedSignals(Bit.Z, Bit.X);\r
+ Simulation.TIMELINE.executeAll();\r
+ assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.X);\r
+\r
+ wI2.feedSignals(Bit.ZERO, Bit.Z);\r
+ Simulation.TIMELINE.executeAll();\r
+ assertBitArrayEquals(w.getValues(), Bit.X, Bit.Z);\r
+\r
+ wI2.feedSignals(Bit.Z, Bit.Z);\r
+ Simulation.TIMELINE.executeAll();\r
+ assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);\r
+\r
+ wI2.feedSignals(Bit.ONE, Bit.Z);\r
+ w.addObserver((i, oldValues) -> fail("WireArray notified observer, although value did not change."));\r
+ Simulation.TIMELINE.executeAll();\r
+ assertBitArrayEquals(w.getValues(), Bit.ONE, Bit.Z);\r
+ }\r