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, 3 insertions, 3 deletions

diff --git a/src/test/scala/chiselTests/GCD.scala b/src/test/scala/chiselTests/GCD.scala
index 529f9964..8fdf8db0 100644
--- a/src/test/scala/chiselTests/GCD.scala
+++ b/src/test/scala/chiselTests/GCD.scala
@@ -32,8 +32,8 @@ class GCDTester(a: Int, b: Int, z: Int) extends BasicTester {
   dut.io.e := first
   when(first) { first := Bool(false) }
   when(dut.io.v) {
-    io.done := Bool(true)
-    io.error := (dut.io.z != UInt(z)).toUInt
+    assert(dut.io.z === UInt(z))
+    stop()
   }
 }
 
@@ -46,7 +46,7 @@ class GCDSpec extends ChiselPropSpec {
     ("a", "b", "z"),  // First tuple defines column names
     ( 64,  48,  16),  // Subsequent tuples define the data
     ( 12,   9,   3),
-    ( 48,  64,  12))
+    ( 48,  64,  16))
 
   property("GCD should elaborate") {
     elaborate { new GCD }