1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/scala/chiselTests/stage/ChiselMainSpec.scala b/src/test/scala/chiselTests/stage/ChiselMainSpec.scala
index 0d400abd..679677d0 100644
--- a/src/test/scala/chiselTests/stage/ChiselMainSpec.scala
+++ b/src/test/scala/chiselTests/stage/ChiselMainSpec.scala
@@ -35,6 +35,11 @@ object ChiselMainSpec {
     require(false)
   }
 
+  /** A module that triggers a Builder.error (as opposed to exception) */
+  class BuilderErrorModule extends RawModule {
+    val w = Wire(UInt(8.W))
+    w(3, -1)
+  }
 }
 
 case class TestClassAspect() extends InspectorAspect[RawModule] ({
@@ -152,6 +157,14 @@ class ChiselMainSpec extends AnyFeatureSpec with GivenWhenThen with Matchers wit
                      result = 1)
     ).foreach(runStageExpectFiles)
   }
+  Feature("Builder.error source locator") {
+    Seq(
+      ChiselMainTest(args = Array("-X", "none"),
+        generator = Some(classOf[BuilderErrorModule]),
+        stdout = Some("ChiselMainSpec.scala:41: Invalid bit range (3,-1) in class chiselTests.stage.ChiselMainSpec$BuilderErrorModule"),
+        result = 1)
+    ).foreach(runStageExpectFiles)
+  }
 
   Feature("Specifying a custom output file") {
     runStageExpectFiles(ChiselMainTest(