Add `base16-string->bytevector'.

* guix/utils.scm (base16-string->bytevector): New procedure.

* tests/utils.scm ("bytevector->base16-string->bytevector"): New test.

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/utils.scm b/tests/utils.scm
index edea11db72..db4eb5a340 100644
--- a/tests/utils.scm
+++ b/tests/utils.scm
@@ -62,6 +62,13 @@
          ;; Examples from RFC 4648.
          (map string->utf8 '("" "f" "fo" "foo" "foob" "fooba" "foobar"))))
 
+(test-assert "bytevector->base16-string->bytevector"
+  (every (lambda (bv)
+           (equal? (base16-string->bytevector
+                    (bytevector->base16-string bv))
+                   bv))
+         (map string->utf8 '("" "f" "fo" "foo" "foob" "fooba" "foobar"))))
+
 ;; The following tests requires `nix-hash' in $PATH.
 (test-skip (if (false-if-exception (system* "nix-hash" "--version"))
                0