Logic Wire bits can now be fused together (Wire.fuse(...))

[Mograsim.git] / net.mograsim.logic.core / src / net / mograsim / logic / core / tests / ComponentTest.java

diff --git a/net.mograsim.logic.core/src/net/mograsim/logic/core/tests/ComponentTest.java b/net.mograsim.logic.core/src/net/mograsim/logic/core/tests/ComponentTest.java
index 38d1b7c..a595f05 100644 (file)
--- a/net.mograsim.logic.core/src/net/mograsim/logic/core/tests/ComponentTest.java
+++ b/net.mograsim.logic.core/src/net/mograsim/logic/core/tests/ComponentTest.java
@@ -87,6 +87,36 @@ class ComponentTest
                assertBitArrayEquals(out.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
        }
 
+       @Test
+       void fusionTest()
+       {
+               t.reset();
+               Wire a = new Wire(t, 3, 1), b = new Wire(t, 2, 1), c = new Wire(t, 3, 1), out = new Wire(t, 8, 1);
+               Wire.fuse(a, out, 0, 0, a.length);
+               Wire.fuse(b, out, 0, a.length, b.length);
+               Wire.fuse(c, out, 0, a.length + b.length, c.length);
+               ReadWriteEnd rA = a.createReadWriteEnd();
+               rA.feedSignals(Bit.ZERO, Bit.ONE, Bit.ZERO);
+               ReadWriteEnd rB = b.createReadWriteEnd();
+               rB.feedSignals(Bit.ONE, Bit.ZERO);
+               ReadWriteEnd rC = c.createReadWriteEnd();
+               rC.feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE);
+               t.executeAll();
+               assertBitArrayEquals(out.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE);
+               out.createReadWriteEnd().feedSignals(Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO, Bit.ONE, Bit.ZERO);
+               t.executeAll();
+               assertBitArrayEquals(rA.getValues(), Bit.X, Bit.X, Bit.X);
+               assertBitArrayEquals(rB.getValues(), Bit.X, Bit.X);
+               assertBitArrayEquals(rC.getValues(), Bit.X, Bit.X, Bit.X);
+               rA.clearSignals();
+               rB.clearSignals();
+               rC.clearSignals();
+               t.executeAll();
+               assertBitArrayEquals(rA.getValues(), Bit.ONE, Bit.ZERO, Bit.ONE);
+               assertBitArrayEquals(rB.getValues(), Bit.ZERO, Bit.ONE);
+               assertBitArrayEquals(rC.getValues(), Bit.ZERO, Bit.ONE, Bit.ZERO);
+       }
+
        @Test
        void triStateBufferTest()
        {