;;;; 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.
(load *tmp-filename*)
(assert (equal (merge-pathnames *tmp-filename*) *saved-load-pathname*)))
(delete-file *tmp-filename*))))
+\f
+;;; Test many, many variations on LOAD.
+(defparameter *counter* 0)
+(defparameter *loaded-pathname* nil)
+(defparameter *loaded-truename* nil)
+
+(defparameter *test-program-string* (format nil "~
+ (incf *counter*)
+ (setf *loaded-pathname* *load-pathname*)
+ (setf *loaded-truename* *load-truename*)"))
+
+(defmacro load-and-assert (load-argument pathname truename)
+ (let ((before (gensym)))
+ `(let ((,before *counter*)
+ *loaded-pathname* *loaded-truename*)
+ (load ,load-argument :print t :verbose t)
+ (assert (and (= (1+ ,before) *counter*)
+ (equal ,(if pathname `(merge-pathnames ,pathname))
+ *loaded-pathname*)
+ (equal ,(if pathname `(merge-pathnames ,truename))
+ *loaded-truename*))))))
+
+(defmacro with-test-program (source fasl &body body)
+ (let ((src (gensym))
+ (fsl (gensym)))
+ `(let ((,src ,source)
+ (,fsl ,fasl))
+ (with-open-file (*standard-output* ,src :direction :output
+ :if-exists :supersede)
+ (princ *test-program-string*))
+ (when ,fsl
+ (compile-file ,src :output-file ,fsl))
+ (unwind-protect
+ (progn
+ ,@body)
+ (when (probe-file ,src)
+ (delete-file ,src))
+ (when (and ,fsl (probe-file ,fsl))
+ (delete-file ,fsl))))))
+
+;;; Loading from streams.
+
+;; string-stream
+(with-input-from-string (s *test-program-string*)
+ (load-and-assert s nil nil))
+
+;; file-stream associated with a source file
+(let ((source (pathname "load-impure-test.lisp")))
+ (with-test-program source nil
+ (with-open-file (stream source)
+ (load-and-assert stream source source))))
+
+;; file-stream associated with a fasl file
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (compile-file-pathname source)))
+ (with-test-program source fasl
+ (with-open-file (stream fasl :element-type 'unsigned-byte)
+ (load-and-assert fasl fasl fasl))))
+
+;; Develop a simple Gray stream to test loading from.
+(defclass load-impure-gray-stream (fundamental-character-input-stream)
+ ((pointer :initform 0 :accessor load-impure-gray-stream-pointer)))
+
+(defmethod stream-read-char ((stream load-impure-gray-stream))
+ (with-accessors ((pointer load-impure-gray-stream-pointer)) stream
+ (prog1
+ (if (>= pointer (length *test-program-string*))
+ :eof
+ (char *test-program-string* pointer))
+ (incf pointer))))
+
+(defmethod stream-unread-char ((stream load-impure-gray-stream) char)
+ (with-accessors ((pointer load-impure-gray-stream-pointer)) stream
+ (if (<= pointer 0)
+ (error "fibber! you never read from this stream ~S" stream)
+ (decf pointer)))
+ nil)
+
+(with-open-stream (stream (make-instance 'load-impure-gray-stream))
+ (load-and-assert stream nil nil))
+
+;;; Loading from things named by pathname designators.
+
+;; Test loading a source file by supplying a complete pathname.
+(let ((source (pathname "load-impure-test.lisp")))
+ (with-test-program source nil
+ (load-and-assert source source source)))
+
+;; Test loading a source file when supplying a partial pathname.
+(let ((source (pathname "load-impure-test.lisp"))
+ (partial (pathname "load-impure-test")))
+ (with-test-program source nil
+ (load-and-assert partial source source)))
+
+;; Test loading a source file whose name lacks a type when supplying a
+;; partial pathname.
+(let ((source (make-pathname :type :unspecific
+ :defaults (pathname "load-impure-test")))
+ (partial (pathname "load-impure-test")))
+ (with-test-program source nil
+ (load-and-assert partial partial partial)))
+
+;; Test loading a fasl
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (compile-file-pathname source)))
+ (with-test-program source fasl
+ (load-and-assert fasl fasl fasl)))
+
+;; Test loading a fasl when supplying a partial pathname.
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (compile-file-pathname source))
+ (partial (pathname "load-impure-test")))
+ (with-test-program source fasl
+ (load-and-assert partial fasl fasl)))
+
+;; Test loading a fasl whose name lacks a type when supplying a
+;; partial pathname.
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (make-pathname :type :unspecific
+ :defaults (compile-file-pathname source)))
+ (partial (pathname "load-impure-test")))
+ (with-test-program source fasl
+ (load-and-assert partial partial partial)))
+
+;; Test loading a fasl with a strange type
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (make-pathname :defaults (compile-file-pathname source)
+ :type "compiled-lisp")))
+ (with-test-program source fasl
+ (load-and-assert fasl fasl fasl)))
+
+;;; Errors
+
+;; Ensure that loading a fasl specified with a type checks for the
+;; header.
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (compile-file-pathname source)))
+ (with-test-program source fasl
+ (with-open-file (f fasl :direction :io :if-exists :overwrite
+ :element-type '(unsigned-byte 8))
+ (write-byte 0 f))
+ (handler-case (load fasl)
+ (sb-fasl::fasl-header-missing () :ok))))
+
+;; Ensure that loading a fasl specified without a type checks for the
+;; header. Note: this wasn't the behavior in
+;; src/code/target-load.lisp v1.40 and earlier (SBCL version 1.0.12.35
+;; or so). If target-load.lisp is reverted to that state eventually,
+;; this test should be removed (or that definition of LOAD altered).
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (compile-file-pathname source))
+ (fasl-spec (make-pathname :type nil
+ :defaults (compile-file-pathname source))))
+ (with-test-program source fasl
+ (with-open-file (f fasl :direction :io :if-exists :overwrite
+ :element-type '(unsigned-byte 8))
+ (write-byte 0 f))
+ (handler-case (load fasl-spec)
+ (sb-fasl::fasl-header-missing () :ok))))
+
+;; Ensure that we get an error when the source file is newer than the
+;; fasl and the supplied argument is an incomplete pathname.
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (compile-file-pathname source))
+ (spec (make-pathname :type nil :defaults source)))
+ (with-test-program source fasl
+ (sleep 1)
+ (with-open-file (*standard-output* source :direction :output
+ :if-exists :append)
+ (write-line ";;comment"))
+ (handler-case (load spec)
+ ;; IWBNI the error signalled here were more specific than
+ ;; SIMPLE-ERROR.
+ (error () :|well, we got an error!|))))
+
+;; Ensure that we can invoke the restart SOURCE in the above case.
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (compile-file-pathname source))
+ (spec (make-pathname :type nil :defaults source)))
+ (with-test-program source fasl
+ (sleep 1)
+ (with-open-file (*standard-output* source :direction :output
+ :if-exists :append)
+ (write-line ";;comment"))
+ (handler-bind ((error (lambda (error)
+ (declare (ignore error))
+ (when (find-restart 'sb-fasl::source)
+ (invoke-restart 'sb-fasl::source)))))
+ (load-and-assert spec source source))))
+
+;; Ensure that we can invoke the restart OBJECT in the above case.
+(let* ((source (pathname "load-impure-test.lisp"))
+ (fasl (compile-file-pathname source))
+ (spec (make-pathname :type nil :defaults source)))
+ (with-test-program source fasl
+ (sleep 1)
+ (with-open-file (*standard-output* source :direction :output
+ :if-exists :append)
+ (write-line ";;comment"))
+ (handler-bind ((error (lambda (error)
+ (declare (ignore error))
+ (when (find-restart 'sb-fasl::object)
+ (invoke-restart 'sb-fasl::object)))))
+ (load-and-assert spec fasl fasl))))
+
+(with-test (:name :bug-332)
+ (flet ((stimulate-sbcl ()
+ (let ((filename (format nil "/tmp/~A.lisp" (gensym))))
+ ;; create a file which redefines a structure incompatibly
+ (with-open-file (f filename :direction :output :if-exists :supersede)
+ (print '(defstruct bug-332 foo) f)
+ (print '(defstruct bug-332 foo bar) f))
+ ;; compile and load the file, then invoke the continue restart on
+ ;; the structure redefinition error
+ (handler-bind ((error (lambda (c) (continue c))))
+ (load (compile-file filename))))))
+ (stimulate-sbcl)
+ (stimulate-sbcl)
+ (stimulate-sbcl)))
+
+(defun load-empty-file (type)
+ (let ((pathname (make-pathname :name "load-impure-lisp-empty-temp"
+ :type type)))
+ (unwind-protect
+ (progn
+ (with-open-file (f pathname
+ :if-exists :supersede
+ :direction :output))
+ (handler-case
+ (progn (load pathname) t)
+ (error () nil)))
+ (ignore-errors (delete-file pathname)))))
+
+(with-test (:name (load "empty.lisp"))
+ (assert (load-empty-file "lisp")))
-(quit :unix-status 104)
+(with-test (:name (load "empty.fasl"))
+ (assert (not (load-empty-file "fasl"))))