From 79c17c8448c8c15a245c3435d9c97c128738121e Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Thu, 22 Sep 2022 16:00:35 -0700
Subject: Fix serialization of whens with empty blocks (#2560)

Also get rid of whitespace-only lines that were emitted after every when
block.---
 src/test/scala/firrtlTests/SerializerSpec.scala | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/test')

diff --git a/src/test/scala/firrtlTests/SerializerSpec.scala b/src/test/scala/firrtlTests/SerializerSpec.scala
index 797a6045..9a984d60 100644
--- a/src/test/scala/firrtlTests/SerializerSpec.scala
+++ b/src/test/scala/firrtlTests/SerializerSpec.scala
@@ -116,4 +116,9 @@ class SerializerSpec extends AnyFlatSpec with Matchers {
     serialized should be(childModuleTabbed)
   }
 
+  it should "emit whens with empty Blocks correctly" in {
+    val when = Conditionally(NoInfo, Reference("cond"), Block(Seq()), EmptyStmt)
+    val serialized = Serializer.serialize(when, 1)
+    serialized should be("  when cond :\n    skip\n")
+  }
 }
-- 
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