(print t))))
(declare (ignore function warnings-p))
(assert failure-p))
+
+;;; a bug reported by Paul F. Dietz (in his ANSI test suite):
+;;; duplicate bindings in LOOP must signal errors of type
+;;; PROGRAM-ERROR.
+(assert (typep (nth-value 1
+ (ignore-errors
+ (funcall (lambda ()
+ (loop for (a . a) in '((1 . 2) (3 . 4))
+ return a)))))
+ 'program-error))
+
+;;; similar to gcl/ansi-test LOOP.1.27, and fixed at the same time:
+(assert (equal (loop for x downto 7 by 2 from 13 collect x) '(13 11 9 7)))
+
+;;; some more from gcl/ansi-test:
+(let ((table (make-hash-table)))
+ (setf (gethash 'foo table) '(bar baz))
+ (assert (= (loop for nil being the hash-keys of table count t) 1))
+ (assert (equal (loop for nil being the hash-keys of table
+ using (hash-value (v1 . v2))
+ when v1
+ return v2)
+ '(baz))))
+
+(assert (= (loop for nil being the external-symbols of :cl count t) 978))
+(assert (= (loop for x being the external-symbols of :cl count x) 977))
+
+(let ((*package* (find-package :cl)))
+ (assert (= (loop for x being each external-symbol count t) 978)))
+
+(assert (eq (loop for a = (return t) return nil) t))
+
+(multiple-value-bind (result error)
+ (ignore-errors
+ (loop for nil being the external-symbols of :nonexistent-package
+ count t))
+ (assert (null result))
+ (assert (typep error 'package-error)))
+
+(assert (equal (loop for i from 1 repeat (the (integer 7 7) 7) collect i)
+ '(1 2 3 4 5 6 7)))
+
+(multiple-value-bind (result error)
+ (ignore-errors
+ (eval '(loop for i from 1 repeat 7 of-type fixnum collect i)))
+ (assert (null result))
+ (assert (typep error 'program-error)))
+
+(assert (equal
+ (ignore-errors (loop for i from 1 repeat 6.5 collect i))
+ (ignore-errors (loop for i from 1 repeat (eval '6.5) collect i))))
+
+(assert (eq (block nil
+ (loop named foo do (loop-finish) finally (return :good))
+ :bad)
+ :good))
+
+(assert (= (loop with (a nil) = '(1 2) return a) 1))
+(assert (= (loop with (nil a) = '(1 2) return a) 2))
+(assert (= (loop with (a . nil) = '(1 2) return a) 1))
+(assert (equal (loop with (nil . a) = '(1 2) return a) '(2)))
+
+(multiple-value-bind (result error)
+ (ignore-errors
+ (loop for i in '(1 2 3) collect i always (< i 4)))
+ (assert (null result))
+ (assert (typep error 'program-error)))
+(assert (equal
+ (loop for i in '(1 2 3) collect i into foo always (< i 4)
+ finally (return foo))
+ '(1 2 3)))
+(assert (equal
+ (loop for i in '(1 2 3) collect i into foo always (= i 4)
+ finally (return foo))
+ nil))
+(multiple-value-bind (result error)
+ (ignore-errors
+ (loop for i in '(1 2 3) always (< i 4) collect i))
+ (assert (null result))
+ (assert (typep error 'program-error)))
+(assert (equal
+ (loop for i in '(1 2 3) always (< i 4) collect i into foo
+ finally (return foo))
+ '(1 2 3)))
+(assert (equal
+ (loop for i in '(1 2 3) always (= i 4) collect i into foo
+ finally (return foo))
+ nil))
+(multiple-value-bind (result error)
+ (ignore-errors
+ (loop for i in '(1 2 3) thereis (= i 3) collect i))
+ (assert (null result))
+ (assert (typep error 'program-error)))
+
+(multiple-value-bind (result error)
+ (ignore-errors
+ (loop with i = 1 for x from 1 to 3 collect x into i))
+ (assert (null result))
+ (assert (typep error 'program-error)))
+(multiple-value-bind (result error)
+ ;; this one has a plausible interpretation in terms of LET*, but
+ ;; ANSI seems specifically to disallow it
+ (ignore-errors
+ (loop with i = 1 with i = (1+ i)
+ for x from 1 to 3
+ collect (+ x i)))
+ (assert (null result))
+ (assert (typep error 'program-error)))
+
+(let ((it 'z))
+ (assert (equal
+ ;; this one just seems weird. Nevertheless...
+ (loop for i in '(a b c d)
+ when i
+ collect it
+ and collect it)
+ '(a z b z c z d z))))
+
+(let ((ht (make-hash-table)))
+ (setf (gethash 1 ht) 3)
+ (setf (gethash 7 ht) 15)
+ (assert (= (loop for v fixnum being each hash-key in ht sum v) 8))
+ (assert (= (loop for v fixnum being each hash-value in ht sum v) 18))
+ (assert (raises-error? (loop for v float being each hash-value in ht sum v)
+ type-error)))
projects / sbcl.git / blobdiff