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-rw-r--r--tests/records.scm30
1 files changed, 29 insertions, 1 deletions
diff --git a/tests/records.scm b/tests/records.scm
index d6d27bb96a..80e08a9a5f 100644
--- a/tests/records.scm
+++ b/tests/records.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -288,6 +288,34 @@
(and (string-match "extra.*initializer.*baz" message)
(eq? proc 'foo)))))
+(test-assert "ABI checks"
+ (let ((module (test-module)))
+ (eval '(begin
+ (define-record-type* <foo> foo make-foo
+ foo?
+ (bar foo-bar (default 42)))
+
+ (define (make-me-a-record) (foo)))
+ module)
+ (unless (eval '(foo? (make-me-a-record)) module)
+ (error "what?" (eval '(make-me-a-record) module)))
+
+ ;; Redefine <foo> with an additional field.
+ (eval '(define-record-type* <foo> foo make-foo
+ foo?
+ (baz foo-baz)
+ (bar foo-bar (default 42)))
+ module)
+
+ ;; Now 'make-me-a-record' is out of sync because it does an
+ ;; 'allocate-struct' that corresponds to the previous definition of <foo>.
+ (catch 'record-abi-mismatch-error
+ (lambda ()
+ (eval '(foo? (make-me-a-record)) module)
+ #f)
+ (lambda (key rtd . _)
+ (eq? rtd (eval '<foo> module))))))
+
(test-equal "recutils->alist"
'((("Name" . "foo")
("Version" . "0.1")