1 files changed, 22 insertions, 2 deletions
diff --git a/tests/ccwl.scm b/tests/ccwl.scm
index 015dcde..bc9fb01 100644
--- a/tests/ccwl.scm
+++ b/tests/ccwl.scm
@@ -16,8 +16,13 @@
 ;;; You should have received a copy of the GNU General Public License
 ;;; along with ccwl.  If not, see <https://www.gnu.org/licenses/>.
 
-(use-modules (srfi srfi-64)
-             (ccwl ccwl))
+(use-modules (rnrs exceptions)
+             (srfi srfi-64)
+             (ccwl ccwl)
+             (ccwl conditions))
+
+(define input
+  (@@ (ccwl ccwl) input))
 
 (test-begin "ccwl")
 
@@ -47,4 +52,19 @@
                        (output-type output)))
                (cwl-workflow-outputs cwl-workflow)))))
 
+(test-assert "input, when passed more than one positional argument, must raise a &ccwl-violation condition"
+  (guard (exception
+          (else (ccwl-violation? exception)))
+    (input #'(message string))))
+
+(test-assert "input, when passed an unrecognized keyword, must raise a &ccwl-violation condition"
+  (guard (exception
+          (else (ccwl-violation? exception)))
+    (input #'(message #:foo string))))
+
+(test-assert "input, when passed multiple arguments to a unary keyword, must raise a &ccwl-violation condition"
+  (guard (exception
+          (else (ccwl-violation? exception)))
+    (input #'(message #:type int string))))
+
 (test-end "ccwl")