Test nested ChiselException in ChiselMain

Adds two tests:

  1. Test that an internal requirement failure (a bare exception) inside
     a Builder is properly reported/trimmed by ChsielStage/ChiselMain
  2. Test that the full stack trace includes the ChiselException

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>

1 files changed, 21 insertions, 1 deletions

diff --git a/src/test/scala/chiselTests/stage/ChiselMainSpec.scala b/src/test/scala/chiselTests/stage/ChiselMainSpec.scala
index 2b3b9c2c..f5b47982 100644
--- a/src/test/scala/chiselTests/stage/ChiselMainSpec.scala
+++ b/src/test/scala/chiselTests/stage/ChiselMainSpec.scala
@@ -25,6 +25,11 @@ object ChiselMainSpec {
     out := in
   }
 
+  /** A module that fails a requirement */
+  class FailingRequirementModule extends RawModule {
+    require(false)
+  }
+
 }
 
 case class TestClassAspect() extends InspectorAspect[RawModule] ({
@@ -128,7 +133,22 @@ class ChiselMainSpec extends FeatureSpec with GivenWhenThen with Matchers with c
                      result = 1)
     ).foreach(runStageExpectFiles)
   }
-  feature("Aspect library") {
+  feature("Report properly trimmed stack traces") {
+    Seq(
+      ChiselMainTest(args = Array("-X", "low"),
+                     generator = Some(classOf[FailingRequirementModule]),
+                     stdout = Some("requirement failed"),
+                     result = 1),
+      ChiselMainTest(args = Array("-X", "low", "--full-stacktrace"),
+                     generator = Some(classOf[FailingRequirementModule]),
+                     stdout = Some("chisel3.internal.ChiselException"),
+                     result = 1)
+    ).foreach(runStageExpectFiles)
+  }
+
+  info("As an aspect writer")
+  info("I write an aspect")
+  feature("Running aspects via the command line") {
     Seq(
       ChiselMainTest(args = Array( "-X", "high", "--with-aspect", "chiselTests.stage.TestClassAspect" ),
         generator = Some(classOf[SameTypesModule]),