gcalctool/unittest.c

   1
   2 /*  $Header$
   3  *
   4  *  Copyright (c) 1987-2008 Sun Microsystems, Inc. All Rights Reserved.
   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, or (at your option)
   9  *  any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful, but
  12  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14  *  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
  19  *  02111-1307, USA.
  20  */
  21
  22 #include "unittest.h"
  23
  24 #include "display.h"
  25 #include "functions.h"
  26 #include "calctool.h"
  27
  28 static void
  29 test(char *expression, char *expected, int expected_error)
  30 {
  31     int error;
  32     int result[MP_SIZE];
  33     char result_str[MAXLINE];
  34
  35     error = ce_parse(expression, result);
  36     if(error != 0 || error != expected_error)
  37     {
  38         if(error == expected_error)
  39             printf("SUCCESS: '%s' -> error %d\n", expression, error);
  40         else
  41             printf("FAIL: '%s' -> error %d, expected error %d and result '%s'\n", expression, error, expected_error, expected);
  42         return;
  43     }
  44
  45     make_fixed(result, result_str, DEC, 10, FALSE);
  46     if(strcmp(result_str, expected) != 0)
  47         printf("FAIL: '%s' -> '%s', expected '%s'\n", expression, result_str, expected);
  48     else
  49         printf("SUCCESS: '%s' -> '%s'\n", expression, result_str);
  50 }
  51
  52
  53 void
  54 test_parser()
  55 {
  56     v->modetype = SCIENTIFIC;
  57
  58     test("0", "0", 0);
  59     test("1", "1", 0);
  60     test("+1", "1", 0);
  61     test("++1", "1", 0);
  62     test("--1", "1", 0);
  63     test("255", "255", 0);
  64     test("256", "256", 0);
  65     test("1.00", "1", 0);
  66     test("1.01", "1.01", 0);
  67     test("1e9", "1000000000", 0);
  68
  69     test("0+0", "0", 0);
  70     test("1+1", "2", 0);
  71     test("2-3", "-1", 0);
  72     test("2*3", "6", 0);
  73     //FIXME: Need to update mperr() test("1/2", "0.5", 0);
  74     //FIXME: Need to update mperr() test("1/0", "", 0);
  75     //FIXME: Need to update mperr() test("0/0", "", 0);
  76
  77     test("1+2*3", "7", 0);
  78     test("(1+2)*3", "9", 0);
  79
  80     test("100%", "1", 0);
  81     test("1%", "0.01", 0);
  82     test("2^2", "4", 0);
  83     test("2^-1", "0.5", 0);
  84     test("0!", "1", 0);
  85     test("1!", "1", 0);
  86     test("5!", "120", 0);
  87     //FIXME: Need to update do_factorial() test("0.1!", "", 0);
  88     //FIXME: Need to update do_factorial() test("-1!", "", 0);
  89
  90     test("-10^2", "-100", 0);
  91     test("(-10)^2", "100", 0);
  92
  93     test("Sqrt(4)", "2", 0);
  94     test("Sqrt(2)", "1.4142135", 0);
  95
  96     test("Int(3.2)", "3", 0);
  97     test("Frac(3.2)", "0.2", 0);
  98     test("Int(-3.2)", "-3", 0);
  99     test("Frac(-3.2)", "-0.2", 0);
 100
 101     test("Abs(1)", "1", 0);
 102     test("Abs(-1)", "1", 0);
 103
 104     test("Sin(0)", "0", 0);
 105     test("Cos(0)", "1", 0);
 106     test("Tan(0)", "0", 0);
 107
 108     v->ttype = DEG;
 109     test("Sin(90)", "1", 0);
 110
 111     v->ttype = RAD;
 112     test("Sin(3.14159/2)", "1", 0);
 113
 114     v->ttype = GRAD;
 115     test("Sin(100)", "1", 0);
 116 }
 117
 118
 119 void
 120 unittest()
 121 {
 122     test_parser();
 123
 124     exit(1);
 125 }