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-rw-r--r--src/test/scala/firrtlTests/graph/DiGraphTests.scala12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/scala/firrtlTests/graph/DiGraphTests.scala b/src/test/scala/firrtlTests/graph/DiGraphTests.scala
index 147b22d7..a0f45c80 100644
--- a/src/test/scala/firrtlTests/graph/DiGraphTests.scala
+++ b/src/test/scala/firrtlTests/graph/DiGraphTests.scala
@@ -1,3 +1,5 @@
+// See LICENSE for license details.
+
package firrtlTests.graph
import java.io._
@@ -50,6 +52,16 @@ class DiGraphTests extends FirrtlFlatSpec {
a [CyclicException] should be thrownBy cyclicGraph.linearize
+ try {
+ cyclicGraph.linearize
+ }
+ catch {
+ case c: CyclicException =>
+ c.getMessage.contains("found at a") should be (true)
+ c.node.asInstanceOf[String] should be ("a")
+ case _: Throwable =>
+ }
+
acyclicGraph.reverse.getEdgeMap should equal (reversedAcyclicGraph.getEdgeMap)
degenerateGraph.getEdgeMap should equal (degenerateGraph.reverse.getEdgeMap)