From 243ff24f8eb9aae18bb0c7afe4f4c1e6cd66c084 Mon Sep 17 00:00:00 2001
From: Colin Schmidt
Date: Tue, 19 Apr 2016 09:51:24 -0700
Subject: add better type mismatch error message

also check for it int unittest
---
 src/test/scala/firrtlTests/UnitTests.scala | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/test')

diff --git a/src/test/scala/firrtlTests/UnitTests.scala b/src/test/scala/firrtlTests/UnitTests.scala
index cee2c15d..dac8a40f 100644
--- a/src/test/scala/firrtlTests/UnitTests.scala
+++ b/src/test/scala/firrtlTests/UnitTests.scala
@@ -60,11 +60,12 @@ class UnitTests extends FirrtlFlatSpec {
         |    input y: {a : UInt<1>}
         |    output x: {a : UInt<1>, b : UInt<1>}
         |    x <= y""".stripMargin
-    intercept[PassExceptions] {
+    val thrown = intercept[PassExceptions] {
       passes.foldLeft(parse(input)) {
         (c: Circuit, p: Pass) => p.run(c)
       }
     }
+    assert(thrown.getMessage contains "Type mismatch. Cannot connect")
   }
 
   "Initializing a register with a different type" should "throw an exception" in {
-- 
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