Add invalid range specifier test

1 files changed, 13 insertions, 0 deletions

diff --git a/src/test/scala/chiselTests/RangeSpec.scala b/src/test/scala/chiselTests/RangeSpec.scala
index 509ed82e..cbac4d4c 100644
--- a/src/test/scala/chiselTests/RangeSpec.scala
+++ b/src/test/scala/chiselTests/RangeSpec.scala
@@ -84,5 +84,18 @@ class RangeSpec extends FreeSpec with Matchers {
         SInt(range"(0,0)")
       }
     }
+
+    "Invalid range specifiers should fail at compile time" in {
+      assertDoesNotCompile(""" range"" """)
+      assertDoesNotCompile(""" range"[]" """)
+      assertDoesNotCompile(""" range"0" """)
+      assertDoesNotCompile(""" range"[0]" """)
+      assertDoesNotCompile(""" range"[0, 1" """)
+      assertDoesNotCompile(""" range"0, 1]" """)
+      assertDoesNotCompile(""" range"[0, 1, 2]" """)
+      assertDoesNotCompile(""" range"[a]" """)
+      assertDoesNotCompile(""" range"[a, b]" """)
+      assertCompiles(""" range"[0, 1]" """)  // syntax sanity check
+    }
   }
 }