1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/scala/chiselTests/util/CatSpec.scala b/src/test/scala/chiselTests/util/CatSpec.scala
new file mode 100644
index 00000000..2e52fe63
--- /dev/null
+++ b/src/test/scala/chiselTests/util/CatSpec.scala
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: Apache-2.0
+
+package chiselTests.util
+
+import chisel3._
+import chisel3.stage.ChiselStage
+import chisel3.util.Cat
+
+import chiselTests.ChiselFlatSpec
+
+object CatSpec {
+
+  class JackIsATypeSystemGod extends MultiIOModule {
+    val in  = IO(Input (Vec(0, UInt(8.W))))
+    val out = IO(Output(UInt(8.W)))
+
+    out := Cat(in)
+  }
+
+}
+
+class CatSpec extends ChiselFlatSpec {
+
+  import CatSpec._
+
+  behavior of "util.Cat"
+
+  it should "not fail to elaborate a zero-element Vec" in {
+
+    ChiselStage.elaborate(new JackIsATypeSystemGod)
+
+  }
+
+}