1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/scala/chiselTests/BitsOps.scala b/src/test/scala/chiselTests/BitsOps.scala
new file mode 100644
index 00000000..62f28038
--- /dev/null
+++ b/src/test/scala/chiselTests/BitsOps.scala
@@ -0,0 +1,41 @@
+package Chisel
+import Chisel.testers._
+import org.scalatest._
+import org.scalatest.prop._
+import org.scalatest.prop.GeneratorDrivenPropertyChecks._
+
+class BitwiseOps(w: Int) extends Module {
+  val io = new Bundle {
+    val a = Bits(INPUT, w)
+    val b = Bits(INPUT, w)
+    val not = Bits(OUTPUT, w)
+    val and = Bits(OUTPUT, w)
+    val or  = Bits(OUTPUT, w)
+    val xor = Bits(OUTPUT, w)
+  }
+  io.not := ~io.a
+  io.and := io.a & io.b
+  io.or := io.a | io.b
+  io.xor := io.a ^ io.b
+}
+
+class BitwiseOpsSpec extends ChiselSpec {
+
+  class BitwiseOpsTester(w: Int, a: Int, b: Int) extends BasicTester {
+    val mask = (1 << w)-1;
+    val dut = Module(new BitwiseOps(w))
+    io.done := Bool(true)
+    dut.io.a := UInt(a) 
+    dut.io.b := UInt(b)
+    when(dut.io.not != UInt(mask & ~a)) { io.error := UInt(1) }
+    when(dut.io.and != UInt(mask & (a & b))) { io.error := UInt(2) }
+    when(dut.io.or  != UInt(mask & (a | b))) { io.error := UInt(3) }
+    when(dut.io.xor != UInt(mask & (a ^ b))) { io.error := UInt(4) }
+  }
+
+  "BitwiseOps" should "return the correct result" in {
+    forAll(safeUInts, safeUInts) { (a: Int, b: Int) =>
+      assert(TesterDriver.execute{ new BitwiseOpsTester(32, a, b) }) 
+    }
+  }
+}