;-*- Mode:     Lisp -*-
;;;; Author:   Paul Dietz
;;;; Created:  Mon Sep  1 20:14:34 2003
;;;; Contains: Tests of 1-





;;; Error tests

(deftest 1-.error.1
  (signals-error (1-) program-error)
  t)

(deftest 1-.error.2
  (signals-error (1- 0 0) program-error)
  t)

(deftest 1-.error.3
  (signals-error (1- 0 nil nil) program-error)
  t)

;;; Non-error tests

(deftest 1-.1
  (loop for x = (random-fixnum)
        for y = (1- x)
        for z = (- x 1)
        repeat 1000
        unless (eql y z)
        collect (list x y z))
  nil)

(deftest 1-.2
  (loop for x = (random-from-interval (ash 1 1000))
        for y = (1- x)
        for z = (- x 1)
        repeat 1000
        unless (eql y z)
        collect (list x y z))
  nil)

(deftest 1-.3
  (loop for x = (random (1- most-positive-short-float))
        for y = (1- x)
        for z = (- x 1.0s0)
        repeat 1000
        unless (eql y z)
        collect (list x y z))
  nil)

(deftest 1-.4
  (loop for x = (random (1- most-positive-single-float))
        for y = (1- x)
        for z = (- x 1.0f0)
        repeat 1000
        unless (eql y z)
        collect (list x y z))
  nil)

(deftest 1-.5
  (loop for x = (random (1- most-positive-double-float))
        for y = (1- x)
        for z = (- x 1.0d0)
        repeat 1000
        unless (eql y z)
        collect (list x y z))
  nil)

(deftest 1-.6
  (loop for x = (random (1- most-positive-long-float))
        for y = (1- x)
        for z = (- x 1.0l0)
        repeat 1000
        unless (eql y z)
        collect (list x y z))
  nil)

(deftest 1-.7
  (loop for x = (random-fixnum)
        for y = (random-fixnum)
        for y2 = (if (zerop y) 1 y)
        for r = (/ x y2)
        for r1 = (1- r)
        for r2 = (- r 1)
        repeat 1000
        unless (eql r1 r2)
        collect (list x y2 r1 r2))
  nil)

(deftest 1-.8
  (let ((bound (ash 1 200)))
    (loop for x = (random-from-interval bound)
          for y = (random-from-interval bound)
          for y2 = (if (zerop y) 1 y)
          for r = (/ x y2)
          for r1 = (1- r)
          for r2 = (- r 1)
          repeat 1000
          unless (eql r1 r2)
          collect (list x y2 r1 r2)))
  nil)

;;; Complex numbers
(deftest 1-.9
  (loop for xr = (random-fixnum)
        for xi = (random-fixnum)
        for xc = (complex xr xi)
        for xc1 = (1- xc)
        repeat 1000
        unless (eql xc1 (complex (- xr 1) xi))
        collect (list xr xi xc xc1))
  nil)


(deftest 1-.10
  (let ((bound (ash 1 100)))
    (loop for xr = (random-from-interval bound)
          for xi = (random-from-interval bound)
          for xc = (complex xr xi)
          for xc1 = (1- xc)
          repeat 1000
          unless (eql xc1 (complex (- xr 1) xi))
          collect (list xr xi xc xc1)))
  nil)

(deftest 1-.11
  (let ((bound (1- most-positive-short-float)))
    (loop for xr = (random bound)
          for xi = (random bound)
          for xc = (complex xr xi)
          for xc1 = (1- xc)
          repeat 1000
          unless (eql xc1 (complex (- xr 1) xi))
          collect (list xr xi xc xc1)))
  nil)

(deftest 1-.12
  (let ((bound (1- most-positive-single-float)))
    (loop for xr = (random bound)
          for xi = (random bound)
          for xc = (complex xr xi)
          for xc1 = (1- xc)
          repeat 1000
          unless (eql xc1 (complex (- xr 1) xi))
          collect (list xr xi xc xc1)))
  nil)

(deftest 1-.13
  (let ((bound (1- most-positive-double-float)))
    (loop for xr = (random bound)
          for xi = (random bound)
          for xc = (complex xr xi)
          for xc1 = (1- xc)
          repeat 1000
          unless (eql xc1 (complex (- xr 1) xi))
          collect (list xr xi xc xc1)))
  nil)

(deftest 1-.14
  (let ((bound (1- most-positive-long-float)))
    (loop for xr = (random bound)
          for xi = (random bound)
          for xc = (complex xr xi)
          for xc1 = (1- xc)
          repeat 1000
          unless (eql xc1 (complex (-  xr 1) xi))
          collect (list xr xi xc xc1)))
  nil)

(deftest 1-.15
  (macrolet ((%m (z) z)) (1- (expand-in-current-env (%m 2))))
  1)