public void inverterTest()
{
ElementsFactory factory = ElementsFactory.getInstance();
PortElement a = factory.createPortElement(PortDirection.Input, "a");
PortElement b = factory.createPortElement(PortDirection.Output, "b");
ILogicalElement inverter = factory.createLogicalElement(LibraryElementKind.Enum.Inverter, 1);
Utils.Evaluator evaluator = new Utils.Evaluator(inverter, new PortList {
b
});
inverter.makeConnection(a, 0, 0);
b.makeConnection(inverter, 0, 0);
a.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(b.Value, LogicValue.Enum.Low);
a.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(b.Value, LogicValue.Enum.High);
a.Value = LogicValue.Enum.Unknown;
evaluator.evaluate();
Assert.AreEqual(b.Value, LogicValue.Enum.Unknown);
a.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(b.Value, LogicValue.Enum.DontCare);
}
public void simple_2_1_Mux()
{
ElementsFactory factory = ElementsFactory.getInstance();
factory.reset();
ILogicalElement mux = factory.createLogicalElement(LibraryElementKind.Enum.MUX, 1);
PortElement a_port = factory.createPortElement(PortDirection.Input, "a");
PortElement b_port = factory.createPortElement(PortDirection.Input, "b");
PortElement address = factory.createPortElement(PortDirection.Input, "adr");
PortElement c_port = factory.createPortElement(PortDirection.Output, "c");
Utils.Evaluator evaluator = new Utils.Evaluator(mux, new PortList {
c_port
});
mux.makeConnection(a_port, 0, 0);
mux.makeConnection(b_port, 1, 0);
mux.makeConnection(address, 2, 0);
c_port.makeConnection(mux, 1, 0);
address.Value = LogicValue.Enum.Low;
a_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(c_port.Value, LogicValue.Enum.Unknown);
a_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(c_port.Value, LogicValue.Enum.Unknown);
address.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(c_port.Value, LogicValue.Enum.Unknown);
b_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
b_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(c_port.Value, LogicValue.Enum.High);
}
public void simple2AND()
{
ElementsFactory factory = ElementsFactory.getInstance();
factory.reset();
PortElement a = factory.createPortElement(PortDirection.Input, "a");
PortElement b = factory.createPortElement(PortDirection.Input, "b");
PortElement c = factory.createPortElement(PortDirection.Output, "c");
ILogicalElement and2 = factory.createLogicalElement(LibraryElementKind.Enum.AND, 2);
Utils.Evaluator evaluator = new Utils.Evaluator(and2, new PortList {
c
});
and2.makeConnection(a, 0, 0);
and2.makeConnection(b, 1, 0);
c.makeConnection(and2, 0, 0);
a.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(c.Value, LogicValue.Enum.Unknown);
b.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(c.Value, LogicValue.Enum.Low);
a.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(c.Value, LogicValue.Enum.High);
a.Value = LogicValue.Enum.Unknown;
evaluator.evaluate();
Assert.AreEqual(c.Value, LogicValue.Enum.Unknown);
}
public void simple_1_4_DMX()
{
ElementsFactory factory = ElementsFactory.getInstance();
factory.reset();
ILogicalElement dmx = factory.createLogicalElement(LibraryElementKind.Enum.DMX, 2);
PortElement addressLow = factory.createPortElement(PortDirection.Input, "a0");
PortElement addressHigh = factory.createPortElement(PortDirection.Input, "a1");
PortElement data = factory.createPortElement(PortDirection.Input, "data");
PortElement enable = factory.createPortElement(PortDirection.Input, "en");
PortElement b_port = factory.createPortElement(PortDirection.Output, "b");
PortElement c_port = factory.createPortElement(PortDirection.Output, "c");
PortElement d_port = factory.createPortElement(PortDirection.Output, "d");
PortElement e_port = factory.createPortElement(PortDirection.Output, "e");
Utils.Evaluator evaluator = new Utils.Evaluator(dmx, new PortList {
b_port, c_port, d_port, e_port
});
dmx.makeConnection(addressLow, 0, 0);
dmx.makeConnection(addressHigh, 1, 0);
dmx.makeConnection(data, 2, 0);
dmx.makeConnection(enable, 3, 0);
b_port.makeConnection(dmx, 0, 0);
c_port.makeConnection(dmx, 0, 1);
d_port.makeConnection(dmx, 0, 2);
e_port.makeConnection(dmx, 0, 3);
Assert.AreEqual(b_port.Value, LogicValue.Enum.Unknown);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Unknown);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Unknown);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Unknown);
// enable = X
enable.Value = LogicValue.Enum.DontCare;
addressHigh.Value = LogicValue.Enum.Low;
addressLow.Value = LogicValue.Enum.Low;
data.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
addressHigh.Value = LogicValue.Enum.High;
addressLow.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
// enable low
enable.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
addressHigh.Value = LogicValue.Enum.DontCare;
addressLow.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
//enable high
// 00
enable.Value = LogicValue.Enum.High;
addressHigh.Value = LogicValue.Enum.Low;
addressLow.Value = LogicValue.Enum.Low;
data.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
data.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.High);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
data.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
// 01
addressHigh.Value = LogicValue.Enum.Low;
addressLow.Value = LogicValue.Enum.High;
data.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
data.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.High);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
data.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
// 10
addressHigh.Value = LogicValue.Enum.High;
addressLow.Value = LogicValue.Enum.Low;
data.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
data.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.High);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
data.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
// 11
addressHigh.Value = LogicValue.Enum.High;
addressLow.Value = LogicValue.Enum.High;
data.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
data.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
data.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
// X1
addressHigh.Value = LogicValue.Enum.DontCare;
addressLow.Value = LogicValue.Enum.High;
data.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
data.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
data.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
// XX
addressHigh.Value = LogicValue.Enum.DontCare;
addressLow.Value = LogicValue.Enum.DontCare;
data.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(c_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(d_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
data.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(c_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(d_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
data.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(b_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(c_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(d_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
/***************************************************************************/
}
public void simple3AND()
{
ElementsFactory factory = ElementsFactory.getInstance();
PortElement a = factory.createPortElement(PortDirection.Input, "a");
PortElement b = factory.createPortElement(PortDirection.Input, "b");
PortElement c = factory.createPortElement(PortDirection.Input, "c");
PortElement d = factory.createPortElement(PortDirection.Output, "d");
ILogicalElement and3 = factory.createLogicalElement(LibraryElementKind.Enum.AND, 3);
Utils.Evaluator evaluator = new Utils.Evaluator(and3, new PortList {
d
});
and3.makeConnection(a, 0, 0);
and3.makeConnection(b, 1, 0);
and3.makeConnection(c, 2, 0);
d.makeConnection(and3, 0, 0);
a.Value = LogicValue.Enum.Unknown;
b.Value = LogicValue.Enum.Low;
c.Value = LogicValue.Enum.Low;
evaluator.evaluate();
// U00
Assert.AreEqual(d.Value, LogicValue.Enum.Unknown);
a.Value = LogicValue.Enum.Low;
b.Value = LogicValue.Enum.Unknown;
c.Value = LogicValue.Enum.High;
evaluator.evaluate();
// 0U1
Assert.AreEqual(d.Value, LogicValue.Enum.Unknown);
a.Value = LogicValue.Enum.DontCare;
b.Value = LogicValue.Enum.High;
c.Value = LogicValue.Enum.Unknown;
evaluator.evaluate();
// X1U
Assert.AreEqual(d.Value, LogicValue.Enum.Unknown);
a.Value = LogicValue.Enum.DontCare;
b.Value = LogicValue.Enum.High;
c.Value = LogicValue.Enum.High;
evaluator.evaluate();
// X00
Assert.AreEqual(d.Value, LogicValue.Enum.DontCare);
a.Value = LogicValue.Enum.DontCare;
b.Value = LogicValue.Enum.High;
c.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
// X0X
Assert.AreEqual(d.Value, LogicValue.Enum.DontCare);
a.Value = LogicValue.Enum.Low;
b.Value = LogicValue.Enum.DontCare;
c.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
// 0XX
Assert.AreEqual(d.Value, LogicValue.Enum.Low);
a.Value = LogicValue.Enum.DontCare;
b.Value = LogicValue.Enum.Low;
c.Value = LogicValue.Enum.DontCare;
// X0X
Assert.AreEqual(d.Value, LogicValue.Enum.Low);
a.Value = LogicValue.Enum.DontCare;
b.Value = LogicValue.Enum.DontCare;
c.Value = LogicValue.Enum.Low;
evaluator.evaluate();
// XX0
Assert.AreEqual(d.Value, LogicValue.Enum.Low);
a.Value = LogicValue.Enum.High;
b.Value = LogicValue.Enum.High;
c.Value = LogicValue.Enum.High;
evaluator.evaluate();
// 111
Assert.AreEqual(d.Value, LogicValue.Enum.High);
a.Value = LogicValue.Enum.Low;
b.Value = LogicValue.Enum.Low;
c.Value = LogicValue.Enum.High;
evaluator.evaluate();
// 001
Assert.AreEqual(d.Value, LogicValue.Enum.Low);
a.Value = LogicValue.Enum.High;
b.Value = LogicValue.Enum.High;
c.Value = LogicValue.Enum.Low;
evaluator.evaluate();
// 110
Assert.AreEqual(d.Value, LogicValue.Enum.Low);
a.Value = LogicValue.Enum.High;
b.Value = LogicValue.Enum.Low;
c.Value = LogicValue.Enum.High;
evaluator.evaluate();
// 101
Assert.AreEqual(d.Value, LogicValue.Enum.Low);
}
public void simple_4_2_CD()
{
ElementsFactory factory = ElementsFactory.getInstance();
factory.reset();
ILogicalElement cd = factory.createLogicalElement(LibraryElementKind.Enum.ENC, 2);
PortElement a_port = factory.createPortElement(PortDirection.Input, "a");
PortElement b_port = factory.createPortElement(PortDirection.Input, "b");
PortElement c_port = factory.createPortElement(PortDirection.Input, "c");
PortElement d_port = factory.createPortElement(PortDirection.Input, "d");
PortElement enable = factory.createPortElement(PortDirection.Input, "en");
PortElement e_port = factory.createPortElement(PortDirection.Output, "e");
PortElement f_port = factory.createPortElement(PortDirection.Output, "f");
Utils.Evaluator evaluator = new Utils.Evaluator(cd, new PortList {
e_port, f_port
});
cd.makeConnection(a_port, 0, 0);
cd.makeConnection(b_port, 1, 0);
cd.makeConnection(c_port, 2, 0);
cd.makeConnection(d_port, 3, 0);
cd.makeConnection(enable, 4, 0);
e_port.makeConnection(cd, 0, 0);
f_port.makeConnection(cd, 0, 1);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Unknown);
Assert.AreEqual(f_port.Value, LogicValue.Enum.Unknown);
// enable = X
enable.Value = LogicValue.Enum.DontCare;
a_port.Value = LogicValue.Enum.Low;
b_port.Value = LogicValue.Enum.Low;
c_port.Value = LogicValue.Enum.Low;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(f_port.Value, LogicValue.Enum.DontCare);
a_port.Value = LogicValue.Enum.High;
b_port.Value = LogicValue.Enum.High;
c_port.Value = LogicValue.Enum.High;
d_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(f_port.Value, LogicValue.Enum.DontCare);
// enable low
enable.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(f_port.Value, LogicValue.Enum.Low);
a_port.Value = LogicValue.Enum.High;
b_port.Value = LogicValue.Enum.High;
c_port.Value = LogicValue.Enum.High;
d_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(f_port.Value, LogicValue.Enum.Low);
//enable high
// 1XXX
enable.Value = LogicValue.Enum.High;
a_port.Value = LogicValue.Enum.DontCare;
b_port.Value = LogicValue.Enum.DontCare;
c_port.Value = LogicValue.Enum.DontCare;
d_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
Assert.AreEqual(f_port.Value, LogicValue.Enum.High);
// 1010
a_port.Value = LogicValue.Enum.Low;
b_port.Value = LogicValue.Enum.High;
c_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
Assert.AreEqual(f_port.Value, LogicValue.Enum.High);
// 01XX
a_port.Value = LogicValue.Enum.DontCare;
b_port.Value = LogicValue.Enum.DontCare;
c_port.Value = LogicValue.Enum.High;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(f_port.Value, LogicValue.Enum.High);
// 0111
a_port.Value = LogicValue.Enum.High;
b_port.Value = LogicValue.Enum.High;
c_port.Value = LogicValue.Enum.High;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(f_port.Value, LogicValue.Enum.High);
// 001X
a_port.Value = LogicValue.Enum.DontCare;
b_port.Value = LogicValue.Enum.High;
c_port.Value = LogicValue.Enum.Low;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
Assert.AreEqual(f_port.Value, LogicValue.Enum.Low);
// 0011
a_port.Value = LogicValue.Enum.High;
b_port.Value = LogicValue.Enum.High;
c_port.Value = LogicValue.Enum.Low;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
Assert.AreEqual(f_port.Value, LogicValue.Enum.Low);
// 0001
a_port.Value = LogicValue.Enum.High;
b_port.Value = LogicValue.Enum.Low;
c_port.Value = LogicValue.Enum.Low;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
Assert.AreEqual(f_port.Value, LogicValue.Enum.Low);
// 0X01
a_port.Value = LogicValue.Enum.High;
b_port.Value = LogicValue.Enum.Low;
c_port.Value = LogicValue.Enum.DontCare;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(f_port.Value, LogicValue.Enum.DontCare);
// 0000
a_port.Value = LogicValue.Enum.Low;
b_port.Value = LogicValue.Enum.Low;
c_port.Value = LogicValue.Enum.Low;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
Assert.AreEqual(f_port.Value, LogicValue.Enum.DontCare);
/***************************************************************************/
}
public void simple_4_1_Mux()
{
ElementsFactory factory = ElementsFactory.getInstance();
factory.reset();
ILogicalElement mux = factory.createLogicalElement(LibraryElementKind.Enum.MUX, 2);
PortElement a_port = factory.createPortElement(PortDirection.Input, "a");
PortElement b_port = factory.createPortElement(PortDirection.Input, "b");
PortElement c_port = factory.createPortElement(PortDirection.Input, "c");
PortElement d_port = factory.createPortElement(PortDirection.Input, "d");
PortElement addressLow = factory.createPortElement(PortDirection.Input, "adr_l");
PortElement addressHigh = factory.createPortElement(PortDirection.Input, "adr_h");
PortElement e_port = factory.createPortElement(PortDirection.Output, "e");
Utils.Evaluator evaluator = new Utils.Evaluator(mux, new PortList {
e_port
});
mux.makeConnection(a_port, 0, 0);
mux.makeConnection(b_port, 1, 0);
mux.makeConnection(c_port, 2, 0);
mux.makeConnection(d_port, 3, 0);
mux.makeConnection(addressLow, 4, 0);
mux.makeConnection(addressHigh, 5, 0);
e_port.makeConnection(mux, 1, 0);
Assert.AreEqual(e_port.Value, LogicValue.Enum.Unknown);
// 000U
// 00
addressHigh.Value = LogicValue.Enum.Low;
addressLow.Value = LogicValue.Enum.Low;
a_port.Value = LogicValue.Enum.Unknown;
b_port.Value = LogicValue.Enum.Low;
c_port.Value = LogicValue.Enum.Low;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Unknown);
//dcba
//0000
//1X
addressHigh.Value = LogicValue.Enum.High;
addressLow.Value = LogicValue.Enum.DontCare;
a_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
// 01
addressHigh.Value = LogicValue.Enum.Low;
addressLow.Value = LogicValue.Enum.High;
b_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
//1000
//1X
addressHigh.Value = LogicValue.Enum.High;
addressLow.Value = LogicValue.Enum.DontCare;
d_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
//1100
// 1X
c_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
//11X0
// 1X
b_port.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
//11XX
// 1X
a_port.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
//11XX
//X0
addressHigh.Value = LogicValue.Enum.DontCare;
addressLow.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
//11X0
//X0
a_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
// 11X1
// X0
a_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
// 11X1
// XX
addressLow.Value = LogicValue.Enum.DontCare;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
// 1101
// XX
b_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.DontCare);
// 1111
// XX
b_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
// 0000
// XX
a_port.Value = LogicValue.Enum.Low;
b_port.Value = LogicValue.Enum.Low;
c_port.Value = LogicValue.Enum.Low;
d_port.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
// 0000
// 00
addressLow.Value = LogicValue.Enum.Low;
addressHigh.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
//0001
//00
a_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
//0001
//01
addressLow.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
//0011
//01
b_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
//0011
//11
addressHigh.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
//1011
//11
d_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
//1011
//10
addressLow.Value = LogicValue.Enum.Low;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.Low);
//1111
//10
c_port.Value = LogicValue.Enum.High;
evaluator.evaluate();
Assert.AreEqual(e_port.Value, LogicValue.Enum.High);
}