X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Falien.impure.lisp;h=fe5c18ee3d99ae68e301f50705c35e851521662f;hb=3d46727f4b73a63c788c143efb1f196c153af371;hp=aa14cf265b54e513175dae3e684a1886b7be69a3;hpb=06a3d298cb7b8220ef04a50805c01ac1be34d845;p=sbcl.git

diff --git a/tests/alien.impure.lisp b/tests/alien.impure.lisp
index aa14cf2..fe5c18e 100644
--- a/tests/alien.impure.lisp
+++ b/tests/alien.impure.lisp
@@ -20,8 +20,8 @@
 ;;; In sbcl-0.6.10, Douglas Brebner reported that (SETF EXTERN-ALIEN)
 ;;; was messed up so badly that trying to execute expressions like
 ;;; this signalled an error.
-(setf (sb-alien:extern-alien "current_control_stack_pointer" sb-alien:unsigned)
-      (sb-alien:extern-alien "current_control_stack_pointer" sb-alien:unsigned))
+(setf (sb-alien:extern-alien "thread_control_stack_size" sb-alien:unsigned)
+      (sb-alien:extern-alien "thread_control_stack_size" sb-alien:unsigned))
 
 ;;; bug 133, fixed in 0.7.0.5: Somewhere in 0.pre7.*, C void returns
 ;;; were broken ("unable to use values types here") when
@@ -252,4 +252,84 @@
   (handler-bind ((warning #'error))
     (compile nil '(lambda () (multiple-value-list (bug-316075))))))
 
+
+;;; Bug #316325: "return values of alien calls assumed truncated to
+;;; correct width on x86"
+#+x86-64
+(sb-alien::define-alien-callback truncation-test (unsigned 64)
+    ((foo (unsigned 64)))
+  foo)
+#+x86
+(sb-alien::define-alien-callback truncation-test (unsigned 32)
+    ((foo (unsigned 32)))
+  foo)
+
+(with-test (:name bug-316325 :skipped-on '(not (or :x86-64 :x86)))
+  ;; This test works by defining a callback function that provides an
+  ;; identity transform over a full-width machine word, then calling
+  ;; it as if it returned a narrower type and checking to see if any
+  ;; noise in the high bits of the result are properly ignored.
+  (macrolet ((verify (type input output)
+               `(with-alien ((fun (* (function ,type
+                                               #+x86-64 (unsigned 64)
+                                               #+x86 (unsigned 32)))
+                                  :local (alien-sap truncation-test)))
+                  (let ((result (alien-funcall fun ,input)))
+                    (assert (= result ,output))))))
+    #+x86-64
+    (progn
+      (verify (unsigned 64) #x8000000000000000 #x8000000000000000)
+      (verify (signed 64)   #x8000000000000000 #x-8000000000000000)
+      (verify (signed 64)   #x7fffffffffffffff #x7fffffffffffffff)
+      (verify (unsigned 32) #x0000000180000042 #x80000042)
+      (verify (signed 32)   #x0000000180000042 #x-7fffffbe)
+      (verify (signed 32)   #xffffffff7fffffff #x7fffffff))
+    #+x86
+    (progn
+      (verify (unsigned 32) #x80000042 #x80000042)
+      (verify (signed 32)   #x80000042 #x-7fffffbe)
+      (verify (signed 32)   #x7fffffff #x7fffffff))
+    (verify (unsigned 16) #x00018042 #x8042)
+    (verify (signed 16)   #x003f8042 #x-7fbe)
+    (verify (signed 16)   #x003f7042 #x7042)))
+
+(with-test (:name :bug-654485)
+  ;; DEBUG 2 used to prevent let-conversion of the open-coded ALIEN-FUNCALL body,
+  ;; which in turn led the dreaded %SAP-ALIEN note.
+  (handler-case
+      (compile nil
+               `(lambda (program argv)
+                  (declare (optimize (debug 2)))
+                  (with-alien ((sys-execv1 (function int c-string (* c-string)) :extern
+                                           "execv"))
+                    (values (alien-funcall sys-execv1 program argv)))))
+    (compiler-note (n)
+      (error "bad note: ~A" n))))
+
+(with-test (:name :bug-721087)
+  (assert (typep nil '(alien c-string)))
+  (assert (not (typep nil '(alien (c-string :not-null t)))))
+  (assert (eq :ok
+              (handler-case
+                  (posix-getenv nil)
+                (type-error (e)
+                  (when (and (null (type-error-datum e))
+                             (equal (type-error-expected-type e)
+                                    '(alien (c-string :not-null t))))
+                    :ok))))))
+
+(with-test (:name :make-alien-string)
+  (let ((alien (sb-alien::make-alien-string "This comes from lisp!")))
+    (gc :full t)
+    (assert (equal "This comes from lisp!" (cast alien c-string)))
+    (free-alien alien)))
+
+(with-test (:name :malloc-failure)
+  (assert (eq :enomem
+              (handler-case
+                  (loop repeat 128
+                        collect (sb-alien:make-alien char (1- array-total-size-limit)))
+                (storage-condition ()
+                  :enomem)))))
+
 ;;; success