close Warning: Can't synchronize with repository "(default)" (The repository directory has changed, you should resynchronize the repository with: trac-admin $ENV repository resync '(default)'). Look in the Trac log for more information.

source: branches/f4grobner/5am-infix-print.lisp@ 4437

Last change on this file since 4437 was 4434, checked in by Marek Rychlik, 8 years ago
File size: 3.3 KB
Line 
1;;; -*- Mode: Lisp -*-
2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3;;;
4;;; Copyright (C) 1999, 2002, 2009, 2015 Marek Rychlik <rychlik@u.arizona.edu>
5;;;
6;;; This program is free software; you can redistribute it and/or modify
7;;; it under the terms of the GNU General Public License as published by
8;;; the Free Software Foundation; either version 2 of the License, or
9;;; (at your option) any later version.
10;;;
11;;; This program is distributed in the hope that it will be useful,
12;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14;;; GNU General Public License for more details.
15;;;
16;;; You should have received a copy of the GNU General Public License
17;;; along with this program; if not, write to the Free Software
18;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19;;;
20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
21
22;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
23;;
24;; Run tests using 5am unit testing framework
25;;
26;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
27
28;; We assume that QuickLisp package manager is installed.
29;; See :
30;; https://www.quicklisp.org/beta/
31;;
32
33;; The following is unnecessary after running:
34;; * (ql:add-to-init-file)
35;; at lisp prompt:
36;;(load "~/quicklisp/setup")
37
38(ql:quickload :fiveam)
39
40(defpackage #:5am-monom
41 (:use :cl :it.bese.fiveam :infix-printer)
42 (:documentation "Infix printing tests"))
43
44(in-package :5am-monom)
45
46(def-suite infix-printer-suite
47 :description "Infix printer suite")
48
49(in-suite infix-printer-suite)
50
51(test operator-precedence
52 "Operator precedence"
53 (is (equal (infix-print-to-string '(* (+ a b) c)) "(A+B)*C"))
54 (is (equal (infix-print-to-string '(+ (* a b) c)) "A*B+C"))
55 (is (equal (infix-print-to-string '(sin x)) "SIN(X)"))
56 ;; TODO: Eliminate an extra level of parenthesis in expression below. This
57 ;; requires changing condition to parenthesize in INFIX-PRINT. The deeper
58 ;; complication is that the INFIX package defines the precedence of
59 ;; operators, and it defines token operators. Thus, consistency
60 ;; should be ensured so that the printed expression can be read back
61 ;; observing the precedence defined in the INFIX package
62 (is (equal (infix-print-to-string '(* 3 (sin x))) "3*(SIN(X))"))
63 (is (equal (infix-print-to-string '(+ (* 3 x) (- (* 2 (expt y 2)) z))) "3*X+2*(Y^2)-Z"))
64 ;; Distinguich between unary and binary minus
65 (is (equal (infix-print-to-string '(+ x (- y z))) "X+Y-Z"))
66 (is (equal (infix-print-to-string '(+ x (- y))) "X-Y"))
67 (is (equal (infix-print-to-string '(- x (- y))) "X+Y"))
68 (is (equal (infix-print-to-string '(- x (- y z))) "X-Y+Z"))
69 ;; Distinguich between unary and binary division
70 (is (equal (infix-print-to-string '(* x (/ y z))) "X*Y/Z"))
71 (is (equal (infix-print-to-string '(* x (/ y))) "X/Y"))
72 ;; Handling negative numbers
73 (is (equal (infix-print-to-string '(+ x -1 2 -3)) "X-1+2-3"))
74 (is (equal (infix-print-to-string '(- x (- y 7))) "X-Y+7"))
75 )
76
77
78(run! 'infix-printer-suite)
79(format t "All tests done!~%")
80
81
Note: See TracBrowser for help on using the repository browser.