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;-*- Mode: Lisp -*-
;;;; Author: Paul Dietz
;;;; Created: Thu Nov 21 09:48:38 2002
;;;; Contains: Miscellaneous loop tests
(in-package :cl-test)
;;; Initially and finally take multiple forms,
;;; and execute them in the right order
(deftest loop.17.1
(loop
with x = 0
initially (incf x 1) (incf x (+ x x))
initially (incf x (+ x x x))
until t
finally (incf x 100) (incf x (+ x x))
finally (return x))
336)
(deftest loop.17.2
(loop
with x = 0
until t
initially (incf x 1) (incf x (+ x x))
finally (incf x 100) (incf x (+ x x))
initially (incf x (+ x x x))
finally (return x))
336)
(deftest loop.17.3
(let ((x 0))
(loop
with y = (incf x 1)
initially (incf x 2)
until t
finally (return (values x y))))
3 1)
(deftest loop.17.4
(loop
doing (return 'a)
finally (return 'b))
a)
(deftest loop.17.5
(loop
return 'a
finally (return 'b))
a)
(deftest loop.17.6
(let ((x 0))
(tagbody
(loop
do (go done)
finally (incf x))
done)
x)
0)
(deftest loop.17.7
(let ((x 0))
(catch 'done
(loop
do (throw 'done nil)
finally (incf x)))
x)
0)
(deftest loop.17.8
(loop
for x in '(1 2 3)
collect x
finally (return 'good))
good)
(deftest loop.17.9
(loop
for x in '(1 2 3)
append (list x)
finally (return 'good))
good)
(deftest loop.17.10
(loop
for x in '(1 2 3)
nconc (list x)
finally (return 'good))
good)
(deftest loop.17.11
(loop
for x in '(1 2 3)
count (> x 1)
finally (return 'good))
good)
(deftest loop.17.12
(loop
for x in '(1 2 3)
sum x
finally (return 'good))
good)
(deftest loop.17.13
(loop
for x in '(1 2 3)
maximize x
finally (return 'good))
good)
(deftest loop.17.14
(loop
for x in '(1 2 3)
minimize x
finally (return 'good))
good)
;;; iteration clause grouping
(deftest loop.17.20
(loop
for i from 1 to 5
for j = 0 then (+ j i)
collect j)
(0 2 5 9 14))
(deftest loop.17.21
(loop
for i from 1 to 5
and j = 0 then (+ j i)
collect j)
(0 1 3 6 10))
;;; Test that explicit calls to macroexpand in subforms
;;; are done in the correct environment
(deftest loop.17.22
(macrolet
((%m (z) z))
(loop with x = 0
initially (expand-in-current-env (%m (incf x)))
until t
finally (expand-in-current-env (%m (return x)))))
1)
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