Refactor tests to use stop() and assert() instead of io.error/io.done

Gate assert, printf, stop by reset
Fix testbenches that never worked
Change simulation prints to display cycle at which test was signaled to end, not when simulator stops
Better documentation for Counter

1 files changed, 7 insertions, 6 deletions

diff --git a/src/test/scala/chiselTests/Printf.scala b/src/test/scala/chiselTests/Printf.scala
index e6f5d222..2e26dfbf 100644
--- a/src/test/scala/chiselTests/Printf.scala
+++ b/src/test/scala/chiselTests/Printf.scala
@@ -7,15 +7,16 @@ import Chisel._
 import Chisel.testers.BasicTester
 
 class SinglePrintfTester() extends BasicTester {
-  printf("done=%x", io.done)
-  io.done := Bool(true)
-  io.error := Bool(false)
+  val x = UInt(254)
+  printf("x=%x", x)
+  stop()
 }
 
 class MultiPrintfTester() extends BasicTester {
-  printf("done=%x error=%x", io.done, io.error)
-  io.done := Bool(true)
-  io.error := Bool(false)
+  val x = UInt(254)
+  val y = UInt(255)
+  printf("x=%x y=%x", x, y)
+  stop()
 }
 
 class PrintfSpec extends ChiselFlatSpec {