From 8e4ddc62db448b613ae327792e72defca4d115d4 Mon Sep 17 00:00:00 2001
From: Andrew Waterman
Date: Mon, 27 Mar 2017 15:50:32 -0700
Subject: Support Vec(0) fields in Bundles, just like Option[Data]; add test

This also allows asUInt/asTypeOf to work properly on those Bundles,
even though zero-width wire support is lacking.
---
 src/test/scala/chiselTests/Vec.scala | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/test/scala/chiselTests')

diff --git a/src/test/scala/chiselTests/Vec.scala b/src/test/scala/chiselTests/Vec.scala
index 80c4040d..438cf515 100644
--- a/src/test/scala/chiselTests/Vec.scala
+++ b/src/test/scala/chiselTests/Vec.scala
@@ -136,6 +136,14 @@ class OneBitUnitRegVecTester extends BasicTester {
 
 class ZeroEntryVecTester extends BasicTester {
   require(Vec(0, Bool()).getWidth == 0)
+
+  val bundleWithZeroEntryVec = new Bundle {
+    val foo = Bool()
+    val bar = Vec(0, Bool())
+  }
+  require(0.U.asTypeOf(bundleWithZeroEntryVec).getWidth == 1)
+  require(bundleWithZeroEntryVec.asUInt.getWidth == 1)
+
   stop()
 }
 
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