X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Falien.impure.lisp;h=7192ba340187197707cb1b0101607ffc8300af3a;hb=175c318c892b0627b36fa3c4db66f59680242204;hp=3aee388c464b7c753cb43324bd818ca4afac31f2;hpb=5e7911a06d41c8e374e218ff9654e0977c3f9aeb;p=sbcl.git

diff --git a/tests/alien.impure.lisp b/tests/alien.impure.lisp
index 3aee388..7192ba3 100644
--- a/tests/alien.impure.lisp
+++ b/tests/alien.impure.lisp
@@ -10,7 +10,7 @@
 ;;;; While most of SBCL is derived from the CMU CL system, the test
 ;;;; files (like this one) were written from scratch after the fork
 ;;;; from CMU CL.
-;;;; 
+;;;;
 ;;;; This software is in the public domain and is provided with
 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
 ;;;; more information.
@@ -46,5 +46,83 @@
     (compile nil '(lambda () (ftype-correctness "FOO" "BAR")))
   (assert warningsp))
 
+;;; This used to break due to too eager auxiliary type twiddling in
+;;; parse-alien-record-type.
+(defparameter *maybe* nil)
+(defun with-alien-test-for-struct-plus-funcall ()
+  (with-alien ((x (struct bar (x unsigned) (y unsigned)))
+               ;; bogus definition, but we just need the symbol
+               (f (function int (* (struct bar))) :extern "printf"))
+    (when *maybe*
+      (alien-funcall f (addr x)))))
+
+;;; Mutually referent structures
+(define-alien-type struct.1 (struct struct.1 (x (* (struct struct.2))) (y int)))
+(define-alien-type struct.2 (struct struct.2 (x (* (struct struct.1))) (y int)))
+(let ((s1 (make-alien struct.1))
+      (s2 (make-alien struct.2)))
+  (setf (slot s1 'x) s2
+        (slot s2 'x) s1
+        (slot (slot s1 'x) 'y) 1
+        (slot (slot s2 'x) 'y) 2)
+  (assert (= 1 (slot (slot s1 'x) 'y)))
+  (assert (= 2 (slot (slot s2 'x) 'y))))
+
+;;; "Alien bug" on sbcl-devel 2004-10-11 by Thomas F. Burdick caused
+;;; by recursive struct definition.
+(let ((fname "alien-bug-2004-10-11.tmp.lisp"))
+  (unwind-protect
+       (progn
+         (with-open-file (f fname :direction :output)
+           (mapc (lambda (form) (print form f))
+                 '((defpackage :alien-bug
+                     (:use :cl :sb-alien))
+                   (in-package :alien-bug)
+                   (define-alien-type objc-class
+                       (struct objc-class
+                        (protocols
+                         (* (struct protocol-list
+                                    (list (array (* (struct objc-class))))))))))))
+           (load fname)
+           (load fname)
+           (load (compile-file fname))
+           (load (compile-file fname)))
+    (delete-file (compile-file-pathname fname))
+    (delete-file fname)))
+
+;;; enumerations with only one enum resulted in division-by-zero
+;;; reported on sbcl-help 2004-11-16 by John Morrison
+(define-alien-type enum.1 (enum nil (:val0 0)))
+
+(define-alien-type enum.2 (enum nil (zero 0) (one 1) (two 2) (three 3)
+                                    (four 4) (five 5) (six 6) (seven 7)
+                                    (eight 8) (nine 9)))
+(with-alien ((integer-array (array int 3)))
+  (let ((enum-array (cast integer-array (array enum.2 3))))
+    (setf (deref enum-array 0) 'three
+          (deref enum-array 1) 'four)
+    (setf (deref integer-array 2) (+ (deref integer-array 0)
+                                     (deref integer-array 1)))
+    (assert (eql (deref enum-array 2) 'seven))))
+;; The code that is used for mapping from integers to symbols depends on the
+;; `density' of the set of used integers, so test with a sparse set as well.
+(define-alien-type enum.3 (enum nil (zero 0) (one 1) (k-one 1001) (k-two 1002)))
+(with-alien ((integer-array (array int 3)))
+  (let ((enum-array (cast integer-array (array enum.3 3))))
+    (setf (deref enum-array 0) 'one
+          (deref enum-array 1) 'k-one)
+    (setf (deref integer-array 2) (+ (deref integer-array 0)
+                                     (deref integer-array 1)))
+    (assert (eql (deref enum-array 2) 'k-two))))
+
+;;; As reported by Baughn on #lisp, ALIEN-FUNCALL loops forever when
+;;; compiled with (DEBUG 3).
+(sb-kernel::values-specifier-type-cache-clear)
+(proclaim '(optimize (debug 3)))
+(let ((f (compile nil '(lambda (v)
+                        (sb-alien:alien-funcall (sb-alien:extern-alien "getenv"
+                                                 (function (c-string) c-string))
+                         v)))))
+  (assert (typep (funcall f "HOME") '(or string null))))
+
 ;;; success
-(quit :unix-status 104)