1.0.41.41: tests: Fix tests for ppc-threading changes.

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

diff --git a/tests/alien.impure.lisp b/tests/alien.impure.lisp
index 8eda29a..096e82a 100644 (file)
--- 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
@@ -210,4 +210,88 @@
                   (values)))))
     (assert (not (funcall (compile nil fun))))))
 
+;;; Non-local exit from WITH-ALIEN caused alien stack to be leaked.
+(defvar *sap-int*)
+(defun try-to-leak-alien-stack (x)
+  (with-alien ((alien (array (sb-alien:unsigned 8) 72)))
+    (let ((sap-int (sb-sys:sap-int (alien-sap alien))))
+      (if *sap-int*
+          (assert (= *sap-int* sap-int))
+          (setf *sap-int* sap-int)))
+    (when x
+      (return-from try-to-leak-alien-stack 'going))
+    (never)))
+(with-test (:name :nlx-causes-alien-stack-leak)
+  (let ((*sap-int* nil))
+    (loop repeat 1024
+          do (try-to-leak-alien-stack t))))
+
+;;; bug 431
+(with-test (:name :alien-struct-redefinition)
+  (eval '(progn
+          (define-alien-type nil (struct mystruct (myshort short) (mychar char)))
+          (with-alien ((myst (struct mystruct)))
+            (with-alien ((mysh short (slot myst 'myshort)))
+              (assert (integerp mysh))))))
+  (let ((restarted 0))
+    (handler-bind ((error (lambda (e)
+                            (let ((cont (find-restart 'continue e)))
+                              (when cont
+                                (incf restarted)
+                                (invoke-restart cont))))))
+      (eval '(define-alien-type nil (struct mystruct (myint int) (mychar char)))))
+    (assert (= 1 restarted)))
+  (eval '(with-alien ((myst (struct mystruct)))
+          (with-alien ((myin int (slot myst 'myint)))
+            (assert (integerp myin))))))
+
+;;; void conflicted with derived type
+(declaim (inline bug-316075))
+(sb-alien:define-alien-routine bug-316075 void (result char :out))
+(with-test (:name bug-316075)
+  (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)
+
+#+(or x86-64 x86)
+(with-test (:name bug-316325)
+  ;; 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)))
+
 ;;; success