From bc6bc78ac3079822dcd5bc51e36983a7470fdc04 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Mon, 16 Oct 2023 17:32:57 +0100
Subject: ccwl: Error out on prefixes that are not strings.

* ccwl/ccwl.scm (run-args): Error out on prefixes that are not
strings.
* tests/ccwl.scm ("command definitions with non-string prefixes in
prefixed inputs must raise a &ccwl-violation condition"): New test.
---
 tests/ccwl.scm | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'tests')

diff --git a/tests/ccwl.scm b/tests/ccwl.scm
index 7cbb2c0..b26e854 100644
--- a/tests/ccwl.scm
+++ b/tests/ccwl.scm
@@ -264,4 +264,14 @@
 (test-assert "tolerate prefixed string arguments in command definitions"
   (command #:run "echo" ("-x" "foo")))
 
+(test-assert "command definitions with non-string prefixes in prefixed inputs must raise a &ccwl-violation condition"
+  (guard (exception
+          (else (and (ccwl-violation? exception)
+                     (string=? (formatted-message-format exception)
+                               "Invalid prefix ~a. Prefixes must be strings."))))
+    (begin (macroexpand
+            '(command #:inputs (number #:type int)
+                      #:run "echo" (-x number)))
+           #f)))
+
 (test-end "ccwl")
-- 
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