0.9.12.10:

[sbcl.git] / tests / alien.impure.lisp

diff --git a/tests/alien.impure.lisp b/tests/alien.impure.lisp
index d4365d3..6c6b002 100644 (file)
--- 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.
@@ -49,10 +49,10 @@
 ;;; 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 () 
+(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"))
+               ;; bogus definition, but we just need the symbol
+               (f (function int (* (struct bar))) :extern "printf"))
     (when *maybe*
       (alien-funcall f (addr x)))))
 
@@ -62,16 +62,16 @@
 (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)
+        (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 
+  (unwind-protect
        (progn
          (with-open-file (f fname :direction :output)
            (mapc (lambda (form) (print form f))
@@ -80,7 +80,7 @@
                    (in-package :alien-bug)
                    (define-alien-type objc-class
                        (struct objc-class
-                        (protocols 
+                        (protocols
                          (* (struct protocol-list
                                     (list (array (* (struct objc-class))))))))))))
            (load fname)
@@ -115,5 +115,52 @@
                                      (deref integer-array 1)))
     (assert (eql (deref enum-array 2) 'k-two))))
 
+;; enums used to allow values to be used only once
+;; C enums allow for multiple tags to point to the same value
+(define-alien-type enum.4
+    (enum nil (:key1 1) (:key2 2) (:keytwo 2)))
+(with-alien ((enum-array (array enum.4 3)))
+  (setf (deref enum-array 0) :key1)
+  (setf (deref enum-array 1) :key2)
+  (setf (deref enum-array 2) :keytwo)
+  (assert (and (eql (deref enum-array 1) (deref enum-array 2))
+               (eql (deref enum-array 1) :key2))))
+
+;;; 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))))
+
+
+;;; CLH: Test for non-standard alignment in alien structs
+;;;
+(sb-alien:define-alien-type align-test-struct
+    (sb-alien:union align-test-union
+                    (s (sb-alien:struct nil
+                                        (s1 sb-alien:unsigned-char)
+                                        (c1 sb-alien:unsigned-char :alignment 16)
+                                        (c2 sb-alien:unsigned-char :alignment 32)
+                                        (c3 sb-alien:unsigned-char :alignment 32)
+                                        (c4 sb-alien:unsigned-char :alignment 8)))
+                    (u (sb-alien:array sb-alien:unsigned-char 16))))
+
+(let ((a1 (sb-alien:make-alien align-test-struct)))
+  (declare (type (sb-alien:alien (* align-test-struct)) a1))
+  (setf (sb-alien:slot (sb-alien:slot a1 's) 's1) 1)
+  (setf (sb-alien:slot (sb-alien:slot a1 's) 'c1) 21)
+  (setf (sb-alien:slot (sb-alien:slot a1 's) 'c2) 41)
+  (setf (sb-alien:slot (sb-alien:slot a1 's) 'c3) 61)
+  (setf (sb-alien:slot (sb-alien:slot a1 's) 'c4) 81)
+  (assert (equal '(1 21 41 61 81)
+                 (list (sb-alien:deref (sb-alien:slot a1 'u) 0)
+                       (sb-alien:deref (sb-alien:slot a1 'u) 2)
+                       (sb-alien:deref (sb-alien:slot a1 'u) 4)
+                       (sb-alien:deref (sb-alien:slot a1 'u) 8)
+                       (sb-alien:deref (sb-alien:slot a1 'u) 9)))))
+
 ;;; success
-(quit :unix-status 104)