From 09ce36e79ba5a999d0e47ec482bbf06857cf7043 Mon Sep 17 00:00:00 2001
From: Andrew Waterman
Date: Thu, 14 Apr 2016 23:36:46 -0700
Subject: Disallow Counters with negative n

One could make an argument for disallowing n=0, too, but HW generators
will benefit from our leniency.

Closes #107.  Thanks @jackkoenig
---
 src/test/scala/chiselTests/Counter.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/test')

diff --git a/src/test/scala/chiselTests/Counter.scala b/src/test/scala/chiselTests/Counter.scala
index d5cd7e5d..07a76cdc 100644
--- a/src/test/scala/chiselTests/Counter.scala
+++ b/src/test/scala/chiselTests/Counter.scala
@@ -41,7 +41,7 @@ class CounterSpec extends ChiselPropSpec {
   }
 
   property("Counter can be en/disabled") {
-    forAll(safeUInts) { (seed: Int) => assertTesterPasses{ new EnableTester(seed) } }
+    forAll(safeUInts) { (seed: Int) => whenever(seed >= 0) { assertTesterPasses{ new EnableTester(seed) } } }
   }
 
   property("Counter should wrap") {
-- 
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