0.8.3.12:

[sbcl.git] / tests / arith.pure.lisp

diff --git a/tests/arith.pure.lisp b/tests/arith.pure.lisp
index a91151e..c2f0ac0 100644 (file)
--- 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
@@ -47,3 +43,43 @@
 (assert (= (coerce 1 '(complex float)) #c(1.0 0.0)))
 (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)
+(assert (null (ignore-errors (min '(1 2 3)))))
+(assert (= (min -1) -1))
+(assert (null (ignore-errors (min 1 #(1 2 3)))))
+(assert (= (min 10 11) 10))
+(assert (null (ignore-errors (min (find-package "CL") -5.0))))
+(assert (= (min 5.0 -3) -3))
+(assert (null (ignore-errors (max #c(4 3)))))
+(assert (= (max 0) 0))
+(assert (null (ignore-errors (max "MIX" 3))))
+(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))))))
+
+;; CEILING had a corner case, spotted by Paul Dietz
+(assert (= (ceiling most-negative-fixnum (1+ most-positive-fixnum)) -1))