1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/scala/chiselTests/Padding.scala b/src/test/scala/chiselTests/Padding.scala
new file mode 100644
index 00000000..35a4c4a6
--- /dev/null
+++ b/src/test/scala/chiselTests/Padding.scala
@@ -0,0 +1,41 @@
+// See LICENSE for license details.
+
+package chiselTests
+import Chisel._
+
+class Padder extends Module {
+  val io = new Bundle {
+    val a   = Bits(INPUT,  4)
+    val asp = SInt(OUTPUT, 8)
+    val aup = UInt(OUTPUT, 8)
+  }
+  io.asp := io.a.toSInt
+  io.aup := io.a.toUInt
+}
+
+/*
+class PadsTester(c: Pads) extends Tester(c) {
+  def pads(x: BigInt, s: Int, w: Int) = {
+    val sign  = (x & (1 << (s-1)))
+    val wmask = (1 << w) - 1
+    val bmask = (1 << s) - 1
+    if (sign == 0) x else ((~bmask | x) & wmask)
+  }
+  for (t <- 0 until 16) {
+    val test_a = rnd.nextInt(1 << 4)
+    poke(c.io.a, test_a)
+    step(1)
+    expect(c.io.asp, pads(test_a, 4, 8))
+    expect(c.io.aup, test_a)
+  }
+}
+*/
+
+class PadderSpec extends ChiselPropSpec {
+  
+  property("Padder should elaborate") {
+    elaborate { new Padder }
+  }
+
+  ignore("PadderTester should return the correct result") { }
+}