diff options
author | Ludovic Courtès <ludo@gnu.org> | 2012-08-30 00:18:50 +0200 |
---|---|---|
committer | Ludovic Courtès <ludo@gnu.org> | 2012-08-30 00:18:50 +0200 |
commit | dcd60f439830ba58f7b89f028973e77ed414cb86 (patch) | |
tree | d4bbabd54fbd99677015245371e12d76e9cb9f3d /tests | |
parent | c79dae607652c45fadb683b26d7a260dc55261ea (diff) | |
download | guix-dcd60f439830ba58f7b89f028973e77ed414cb86.tar.gz guix-dcd60f439830ba58f7b89f028973e77ed414cb86.zip |
define-record-type*: Add the `inherit' syntactic constructor keyword.
* guix/utils.scm (define-record-type*)[make-syntactic-constructor]: New
`type' parameter. Add the `inherit' keyword and corresponding support
code.
* tests/utils.scm ("define-record-type* & inherit", "define-record-type*
& inherit & letrec* behavior"): New tests.
Diffstat (limited to 'tests')
-rw-r--r-- | tests/utils.scm | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/utils.scm b/tests/utils.scm index 6a90817ec3..a0b42052ad 100644 --- a/tests/utils.scm +++ b/tests/utils.scm @@ -132,6 +132,36 @@ (match (bar (z 21) (x (/ z 3))) (($ <bar> 7 42 21)))))) +(test-assert "define-record-type* & inherit" + (begin + (define-record-type* <foo> foo make-foo + foo? + (bar foo-bar) + (baz foo-baz (default (+ 40 2)))) + (let* ((a (foo (bar 1))) + (b (foo (inherit a) (baz 2))) + (c (foo (inherit b) (bar -2))) + (d (foo (inherit c))) + (e (foo (inherit (foo (bar 42))) (baz 77)))) + (and (match a (($ <foo> 1 42) #t)) + (match b (($ <foo> 1 2) #t)) + (match c (($ <foo> -2 2) #t)) + (equal? c d) + (match e (($ <foo> 42 77) #t)))))) + +(test-assert "define-record-type* & inherit & letrec* behavior" + (begin + (define-record-type* <foo> foo make-foo + foo? + (bar foo-bar) + (baz foo-baz (default (+ 40 2)))) + (let* ((a (foo (bar 77))) + (b (foo (inherit a) (bar 1) (baz (+ bar 1)))) + (c (foo (inherit b) (baz 2) (bar (- baz 1))))) + (and (match a (($ <foo> 77 42) #t)) + (match b (($ <foo> 1 2) #t)) + (equal? b c))))) + (test-end) |