Examples with ObservableValue de.neemann.digital.core.ObservableValue used on opensource projects

Example 51 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class AddTest method testAdd.

public void testAdd() throws Exception {
    ObservableValue a = new ObservableValue("a", 4);
    ObservableValue b = new ObservableValue("b", 4);
    ObservableValue c = new ObservableValue("c", 1);
    Model model = new Model();
    Add node = new Add(new ElementAttributes().setBits(4));
    node.setInputs(ovs(a, b, c));
    model.add(node);
    TestExecuter sc = new TestExecuter(model).setInputs(a, b, c).setOutputs(node.getOutputs());
    sc.check(0, 0, 0, 0, 0);
    sc.check(0, 0, 1, 1, 0);
    sc.check(2, 3, 0, 5, 0);
    sc.check(2, 3, 1, 6, 0);
    sc.check(7, 7, 0, 14, 0);
    sc.check(8, 8, 0, 0, 1);
    sc.check(8, 8, 1, 1, 1);
}

Example 52 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class BarrelShifterTest method getTestExecuter.

private TestExecuter getTestExecuter(BarrelShifterMode mode, boolean signed, LeftRightFormat direction, int valueWidth, int shiftWidth) throws Exception {
    ObservableValue value = new ObservableValue("value", valueWidth);
    ObservableValue shift = new ObservableValue("shift", shiftWidth);
    ElementAttributes attributes = new ElementAttributes().set(Keys.BARREL_SHIFTER_MODE, mode).set(Keys.BARREL_SIGNED, signed).set(Keys.DIRECTION, direction).set(Keys.BITS, valueWidth);
    Model model = new Model();
    BarrelShifter bs = new BarrelShifter(attributes);
    bs.setInputs(ovs(value, shift));
    model.add(bs);
    ObservableValues outputs = bs.getOutputs();
    assertEquals(1, outputs.size());
    assertEquals(value.getBits(), outputs.get(0).getBits());
    return new TestExecuter(model).setInputs(value, shift).setOutputs(outputs);
}

Example 53 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class BitCountTest method testBitCount.

public void testBitCount() throws Exception {
    ObservableValue a = new ObservableValue("a", 6);
    Model model = new Model();
    BitCount node = new BitCount(new ElementAttributes().setBits(6));
    node.setInputs(a.asList());
    model.add(node);
    ObservableValues outputs = node.getOutputs();
    assertEquals(1, outputs.size());
    assertEquals(3, outputs.get(0).getBits());
    TestExecuter sc = new TestExecuter(model).setInputs(a).setOutputs(outputs);
    sc.check(0, 0);
    sc.check(1, 1);
    sc.check(2, 1);
    sc.check(4, 1);
    sc.check(8, 1);
    sc.check(16, 1);
    sc.check(32, 1);
    sc.check(3, 2);
    sc.check(6, 2);
    sc.check(12, 2);
    sc.check(24, 2);
    sc.check(48, 2);
    sc.check(63, 6);
    sc.check(255, 6);
}

Example 54 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class BitExtenderTest method testSignExtend.

public void testSignExtend() throws Exception {
    ObservableValue in = new ObservableValue("in", 4);
    BitExtender bitExtender = new BitExtender(new ElementAttributes().set(Keys.INPUT_BITS, 4).set(Keys.OUTPUT_BITS, 8));
    bitExtender.setInputs(in.asList());
    assertEquals(1, bitExtender.getOutputs().size());
    ObservableValue out = bitExtender.getOutputs().get(0);
    check(in, out, 0, 0);
    check(in, out, 1, 1);
    check(in, out, 7, 7);
    check(in, out, 8, -8 & 0xff);
    check(in, out, 9, -7 & 0xff);
    check(in, out, -1, -1 & 0xff);
    check(in, out, -2, -2 & 0xff);
}

Example 55 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class BitExtenderTest method testSignExtendError.

public void testSignExtendError() throws Exception {
    try {
        ObservableValue in = new ObservableValue("in", 4);
        new BitExtender(new ElementAttributes().set(Keys.OUTPUT_BITS, 4)).setInputs(in.asList());
        fail();
    } catch (NodeException e) {
    }
}