X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Farith.pure.lisp;h=db7cbe5d63991d20063a6ac63413a46c043659cd;hb=f1407e424f1063203af07d2e61ceef58515a4797;hp=ad6abc2c424b07f1cd4d33e2c518b8525a89b7ed;hpb=9a2e730f74641e7de6ad4099111db92c5ad863bf;p=sbcl.git

diff --git a/tests/arith.pure.lisp b/tests/arith.pure.lisp
index ad6abc2..db7cbe5 100644
--- a/tests/arith.pure.lisp
+++ b/tests/arith.pure.lisp
@@ -34,12 +34,8 @@
 ;;; In a bug reported by Wolfhard Buss on cmucl-imp 2002-06-18 (BUG
 ;;; 184), sbcl didn't catch all divisions by zero, notably divisions
 ;;; of bignums and ratios by 0.  Fixed in sbcl-0.7.6.13.
-(macrolet ((test (form) `(multiple-value-bind (val cond)
-			     (ignore-errors ,form)
-			   (assert (null val))
-			   (assert (typep cond 'division-by-zero)))))
-  (test (/ 2/3 0))
-  (test (/ (1+ most-positive-fixnum) 0)))
+(assert (raises-error? (/ 2/3 0) division-by-zero))
+(assert (raises-error? (/ (1+ most-positive-fixnum) 0) division-by-zero))
 
 ;;; In a bug reported by Raymond Toy on cmucl-imp 2002-07-18, (COERCE
 ;;; <RATIONAL> '(COMPLEX FLOAT)) was failing to return a complex
@@ -48,9 +44,22 @@
 (assert (= (coerce 1/2 '(complex float)) #c(0.5 0.0)))
 (assert (= (coerce 1.0d0 '(complex float)) #c(1.0d0 0.0d0)))
 
+;;; COERCE also sometimes failed to verify that a particular coercion
+;;; was possible (in particular coercing rationals to bounded float
+;;; types.
+(assert (raises-error? (coerce 1 '(float 2.0 3.0)) type-error))
+(assert (raises-error? (coerce 1 '(single-float -1.0 0.0)) type-error))
+(assert (eql (coerce 1 '(single-float -1.0 2.0)) 1.0))
+
 ;;; ANSI says MIN and MAX should signal TYPE-ERROR if any argument
 ;;; isn't REAL. SBCL 0.7.7 didn't in the 1-arg case. (reported as a
 ;;; bug in CMU CL on #lisp IRC by lrasinen 2002-09-01)
+#||
+
+FIXME: These tests would be good to have. But although, in
+sbcl-0.7.7.2x, (NULL (IGNORE-ERRORS (MIN 1 #(1 2 3)))) returns T, the
+ASSERTion fails, probably in something related to bug #194.
+
 (assert (null (ignore-errors (min '(1 2 3)))))
 (assert (= (min -1) -1))
 (assert (null (ignore-errors (min 1 #(1 2 3)))))
@@ -63,3 +72,18 @@
 (assert (= (max -1 10.0) 10.0))
 (assert (null (ignore-errors (max 3 #'max))))
 (assert (= (max -3 0) 0))
+||#
+
+;;; (CEILING x 2^k) was optimized incorrectly
+(loop for divisor in '(-4 4)
+   for ceiler = (compile nil `(lambda (x)
+                                (declare (fixnum x))
+                                (declare (optimize (speed 3)))
+                                (ceiling x ,divisor)))
+   do (loop for i from -5 to 5
+         for exact-q = (/ i divisor)
+         do (multiple-value-bind (q r)
+                (funcall ceiler i)
+              (assert (= (+ (* q divisor) r) i))
+              (assert (<= exact-q q))
+              (assert (< q (1+ exact-q))))))