X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=tests%2Floop.pure.lisp;h=95933d4d5ac8cd99b7294d4a0a3b6fc5cc0d7f34;hb=1b650be8b800cf96e2c268ae317fb26d0bf36827;hp=66f7f349102712c89a381f50d6e07a3aca7a98d8;hpb=bf6093e08c8375f9f3ec09f50af343b3e9520c4a;p=sbcl.git

diff --git a/tests/loop.pure.lisp b/tests/loop.pure.lisp
index 66f7f34..95933d4 100644
--- a/tests/loop.pure.lisp
+++ b/tests/loop.pure.lisp
@@ -54,3 +54,128 @@
 		      (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)))