From 3e34e66416e86286c4396941c665cf9b0d28f050 Mon Sep 17 00:00:00 2001
From: ducky
Date: Fri, 11 Dec 2015 15:26:47 -0800
Subject: Add stop() in BasicTester as a replacement for io.done

---
 src/main/scala/Chisel/testers/BasicTester.scala | 10 ++++++++++
 src/test/scala/chiselTests/Stop.scala           | 18 ++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 src/test/scala/chiselTests/Stop.scala

(limited to 'src')

diff --git a/src/main/scala/Chisel/testers/BasicTester.scala b/src/main/scala/Chisel/testers/BasicTester.scala
index 398e49e7..fecbe2a9 100644
--- a/src/main/scala/Chisel/testers/BasicTester.scala
+++ b/src/main/scala/Chisel/testers/BasicTester.scala
@@ -3,6 +3,10 @@
 package Chisel.testers
 import Chisel._
 
+import internal._
+import internal.Builder.pushCommand
+import firrtl._
+
 class BasicTester extends Module {
   val io = new Bundle {
     val done = Bool()
@@ -12,4 +16,10 @@ class BasicTester extends Module {
   io.error := UInt(0)
 
   def popCount(n: Long): Int = n.toBinaryString.count(_=='1')
+
+  /** Ends the test, reporting success.
+    */
+  def stop() {
+    pushCommand(Stop(Node(clock), 0))
+  }
 }
diff --git a/src/test/scala/chiselTests/Stop.scala b/src/test/scala/chiselTests/Stop.scala
new file mode 100644
index 00000000..7ce9461b
--- /dev/null
+++ b/src/test/scala/chiselTests/Stop.scala
@@ -0,0 +1,18 @@
+// See LICENSE for license details.
+
+package chiselTests
+
+import org.scalatest._
+import Chisel._
+import Chisel.testers.BasicTester
+
+class StopTester() extends BasicTester {
+  io.done := Bool(false)
+  stop()
+}
+
+class StopSpec extends ChiselFlatSpec {
+  "stop()" should "stop and succeed the testbench" in {
+    assert(execute{ new StopTester })
+  }
+}
-- 
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