From e420f99d87ece9f56504b3afc2e37d40b6e8c7b1 Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Sun, 6 Sep 2020 12:33:57 -0700
Subject: Add --pretty:no-expr-inlining to prevent expression inlining (#1869)

Also rename --Wno-scala-version-warning to
--warn:no-scala-version-deprecation and adopt naming convention where
resulting annotation matches the CLI option---
 .../firrtlTests/transforms/CombineCatsSpec.scala      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/test/scala/firrtlTests/transforms')

diff --git a/src/test/scala/firrtlTests/transforms/CombineCatsSpec.scala b/src/test/scala/firrtlTests/transforms/CombineCatsSpec.scala
index a916eac5..cd0907dc 100644
--- a/src/test/scala/firrtlTests/transforms/CombineCatsSpec.scala
+++ b/src/test/scala/firrtlTests/transforms/CombineCatsSpec.scala
@@ -5,6 +5,7 @@ package firrtlTests.transforms
 import firrtl.PrimOps._
 import firrtl._
 import firrtl.ir.DoPrim
+import firrtl.stage.PrettyNoExprInlining
 import firrtl.transforms.{CombineCats, MaxCatLenAnnotation}
 import firrtl.testutils.FirrtlFlatSpec
 import firrtl.testutils.FirrtlCheckers._
@@ -174,4 +175,22 @@ class CombineCatsSpec extends FirrtlFlatSpec {
       case DoPrim(Cat, Seq(_, DoPrim(Cat, Seq(_, DoPrim(Cat, _, _, _)), _, _)), _, _) => true
     }
   }
+
+  "CombineCats" should s"respect --${PrettyNoExprInlining.longOption}" in {
+    val input =
+      """circuit test :
+        |  module test :
+        |    input in1 : UInt<1>
+        |    input in2 : UInt<2>
+        |    input in3 : UInt<3>
+        |    input in4 : UInt<4>
+        |    output out : UInt<10>
+        |
+        |    node _T_1 = cat(in1, in2)
+        |    node _T_2 = cat(_T_1, in3)
+        |    out <= cat(_T_2, in4)
+        |""".stripMargin
+    val result = execute(input, transforms, PrettyNoExprInlining :: Nil)
+    result.circuit.serialize should be(parse(input).serialize)
+  }
 }
-- 
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