tests/misc/expr

   1 #!/usr/bin/perl
   2 # Basic tests for "expr".
   3
   4 # Copyright (C) 2001, 2003-2012 Free Software Foundation, Inc.
   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 3 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, see <http://www.gnu.org/licenses/>.
  18
  19 use strict;
  20
  21 (my $program_name = $0) =~ s|.*/||;
  22 my $prog = 'expr';
  23
  24 # Turn off localization of executable's output.
  25 @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
  26
  27 my $big =      '98782897298723498732987928734';
  28 my $big_p1 =   '98782897298723498732987928735';
  29 my $big_sum = '197565794597446997465975857469';
  30 my $big_prod = '9758060798730154302876482828124348356960410232492450771490';
  31
  32 my @Tests =
  33     (
  34      ['a', '5 + 6', {OUT => '11'}],
  35      ['b', '5 - 6', {OUT => '-1'}],
  36      ['c', '5 \* 6', {OUT => '30'}],
  37      ['d', '100 / 6', {OUT => '16'}],
  38      ['e', '100 % 6', {OUT => '4'}],
  39      ['f', '3 + -2', {OUT => '1'}],
  40      ['g', '-2 + -2', {OUT => '-4'}],
  41
  42      # Verify option processing.
  43      # Added when option processing broke in the 7.0 beta release
  44      ['opt1', '-- -11 + 12', {OUT => '1'}],
  45      ['opt2', '-11 + 12', {OUT => '1'}],
  46      ['opt3', '-- -1 + 2', {OUT => '1'}],
  47      ['opt4', '-1 + 2', {OUT => '1'}],
  48      # This evoked a syntax error diagnostic before 2.0.12.
  49      ['opt5', '-- 2 + 2', {OUT => '4'}],
  50
  51      ['paren1', '\( 100 % 6 \)', {OUT => '4'}],
  52      ['paren2', '\( 100 % 6 \) - 8', {OUT => '-4'}],
  53      ['paren3', '9 / \( 100 % 6 \) - 8', {OUT => '-6'}],
  54      ['paren4', '9 / \( \( 100 % 6 \) - 8 \)', {OUT => '-2'}],
  55      ['paren5', '9 + \( 100 % 6 \)', {OUT => '13'}],
  56
  57      # Before 2.0.12, this would output `1'.
  58      ['0bang', '00 \< 0!', {OUT => '0'}, {EXIT => 1}],
  59
  60      # In 5.1.3 and earlier, these would exit with status 0.
  61      ['00', '00', {OUT => '00'}, {EXIT => 1}],
  62      ['minus0', '-0', {OUT => '-0'}, {EXIT => 1}],
  63
  64      # In 5.1.3 and earlier, these would report errors.
  65      ['andand', '0 \& 1 / 0', {OUT => '0'}, {EXIT => 1}],
  66      ['oror', '1 \| 1 / 0', {OUT => '1'}, {EXIT => 0}],
  67
  68      # In 5.1.3 and earlier, this would output the empty string.
  69      ['orempty', '"" \| ""', {OUT => '0'}, {EXIT => 1}],
  70
  71
  72      # This erroneously succeeded and output `3' before 2.0.12.
  73      ['fail-a', '3 + -', {ERR => "$prog: non-integer argument\n"},
  74       {EXIT => 2}],
  75
  76      # This erroneously succeeded before 5.3.1.
  77      ['bigcmp', '-- -2417851639229258349412352 \< 2417851639229258349412352',
  78       {OUT => '1'}, {EXIT => 0}],
  79
  80      # In 5.94 and earlier, anchors incorrectly matched newlines.
  81      ['anchor', "'a\nb' : 'a\$'", {OUT => '0'}, {EXIT => 1}],
  82
  83      # These tests are taken from grep/tests/bre.tests.
  84      ['bre1', '"abc" : "a\\(b\\)c"', {OUT => 'b'}],
  85      ['bre2', '"a(" : "a("', {OUT => '2'}],
  86      ['bre3', '_ : "a\\("',
  87       {ERR => "$prog: Unmatched ( or \\(\n"}, {EXIT => 2}],
  88      ['bre4', '_ : "a\\(b"',
  89       {ERR => "$prog: Unmatched ( or \\(\n"}, {EXIT => 2}],
  90      ['bre5', '"a(b" : "a(b"', {OUT => '3'}],
  91      ['bre6', '"a)" : "a)"', {OUT => '2'}],
  92      ['bre7', '_ : "a\\)"',
  93       {ERR => "$prog: Unmatched ) or \\)\n"}, {EXIT => 2}],
  94      ['bre8', '_ : "\\)"',
  95       {ERR => "$prog: Unmatched ) or \\)\n"}, {EXIT => 2}],
  96      ['bre9', '"ab" : "a\\(\\)b"', {OUT => ''}, {EXIT => 1}],
  97      ['bre10', '"a^b" : "a^b"', {OUT => '3'}],
  98      ['bre11', '"a\$b" : "a\$b"', {OUT => '3'}],
  99      ['bre12', '"" : "\\($\\)\\(^\\)"', {OUT => ''}, {EXIT => 1}],
 100      ['bre13', '"b" : "a*\\(^b\$\\)c*"', {OUT => 'b'}],
 101      ['bre14', '"X|" : "X\\(|\\)" : "(" "X|" : "X\\(|\\)" ")"', {OUT => '1'}],
 102      ['bre15', '"X*" : "X\\(*\\)" : "(" "X*" : "X\\(*\\)" ")"', {OUT => '1'}],
 103      ['bre16', '"abc" : "\\(\\)"', {OUT => ''}, {EXIT => 1}],
 104      ['bre17', '"{1}a" : "\\(\\{1\\}a\\)"', {OUT => '{1}a'}],
 105      ['bre18', '"X*" : "X\\(*\\)" : "^*"', {OUT => '1'}],
 106      ['bre19', '"{1}" : "^\\{1\\}"', {OUT => '3'}],
 107      ['bre20', '"{" : "{"', {OUT => '1'}],
 108      ['bre21', '"abbcbd" : "a\\(b*\\)c\\1d"', {OUT => ''}, {EXIT => 1}],
 109      ['bre22', '"abbcbbbd" : "a\\(b*\\)c\\1d"', {OUT => ''}, {EXIT => 1}],
 110      ['bre23', '"abc" : "\\(.\\)\\1"', {OUT => ''}, {EXIT => 1}],
 111      ['bre24', '"abbccd" : "a\\(\\([bc]\\)\\2\\)*d"', {OUT => 'cc'}],
 112      ['bre25', '"abbcbd" : "a\\(\\([bc]\\)\\2\\)*d"',
 113       {OUT => ''}, {EXIT => 1}],
 114      ['bre26', '"abbbd" : "a\\(\\(b\\)*\\2\\)*d"', {OUT => 'bbb'}],
 115      ['bre27', '"aabcd" : "\\(a\\)\\1bcd"', {OUT => 'a'}],
 116      ['bre28', '"aabcd" : "\\(a\\)\\1bc*d"', {OUT => 'a'}],
 117      ['bre29', '"aabd" : "\\(a\\)\\1bc*d"', {OUT => 'a'}],
 118      ['bre30', '"aabcccd" : "\\(a\\)\\1bc*d"', {OUT => 'a'}],
 119      ['bre31', '"aabcccd" : "\\(a\\)\\1bc*[ce]d"', {OUT => 'a'}],
 120      ['bre32', '"aabcccd" : "\\(a\\)\\1b\\(c\\)*cd\$"', {OUT => 'a'}],
 121      ['bre33', '"a*b" : "a\\(*\\)b"', {OUT => '*'}],
 122      ['bre34', '"ab" : "a\\(**\\)b"', {OUT => ''}, {EXIT => 1}],
 123      ['bre35', '"ab" : "a\\(***\\)b"', {OUT => ''}, {EXIT => 1}],
 124      ['bre36', '"*a" : "*a"', {OUT => '2'}],
 125      ['bre37', '"a" : "**a"', {OUT => '1'}],
 126      ['bre38', '"a" : "***a"', {OUT => '1'}],
 127      ['bre39', '"ab" : "a\\{1\\}b"', {OUT => '2'}],
 128      ['bre40', '"ab" : "a\\{1,\\}b"', {OUT => '2'}],
 129      ['bre41', '"aab" : "a\\{1,2\\}b"', {OUT => '3'}],
 130      ['bre42', '_ : "a\\{1"',
 131       {ERR => "$prog: Unmatched \\{\n"}, {EXIT => 2}],
 132      ['bre43', '_ : "a\\{1a"',
 133       {ERR => "$prog: Unmatched \\{\n"}, {EXIT => 2}],
 134      ['bre44', '_ : "a\\{1a\\}"',
 135       {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}],
 136      ['bre45', '"a" : "a\\{,2\\}"', {OUT => '1'}],
 137      ['bre46', '"a" : "a\\{,\\}"', {OUT => '1'}],
 138      ['bre47', '_ : "a\\{1,x\\}"',
 139       {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}],
 140      ['bre48', '_ : "a\\{1,x"',
 141       {ERR => "$prog: Unmatched \\{\n"}, {EXIT => 2}],
 142      ['bre49', '_ : "a\\{32768\\}"',
 143       {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}],
 144      ['bre50', '_ : "a\\{1,0\\}"',
 145       {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}],
 146      ['bre51', '"acabc" : ".*ab\\{0,0\\}c"', {OUT => '2'}],
 147      ['bre52', '"abcac" : "ab\\{0,1\\}c"', {OUT => '3'}],
 148      ['bre53', '"abbcac" : "ab\\{0,3\\}c"', {OUT => '4'}],
 149      ['bre54', '"abcac" : ".*ab\\{1,1\\}c"', {OUT => '3'}],
 150      ['bre55', '"abcac" : ".*ab\\{1,3\\}c"', {OUT => '3'}],
 151      ['bre56', '"abbcabc" : ".*ab\{2,2\}c"', {OUT => '4'}],
 152      ['bre57', '"abbcabc" : ".*ab\{2,4\}c"', {OUT => '4'}],
 153      ['bre58', '"aa" : "a\\{1\\}\\{1\\}"', {OUT => '1'}],
 154      ['bre59', '"aa" : "a*\\{1\\}"', {OUT => '2'}],
 155      ['bre60', '"aa" : "a\\{1\\}*"', {OUT => '2'}],
 156      ['bre61', '"acd" : "a\\(b\\)?c\\1d"', {OUT => ''}, {EXIT => 1}],
 157      ['bre62', '-- "-5" : "-\\{0,1\\}[0-9]*\$"', {OUT => '2'}],
 158
 159      ['fail-b', '9 9', {ERR => "$prog: syntax error\n"},
 160       {EXIT => 2}],
 161      ['fail-c', {ERR => "$prog: missing operand\n"
 162                  . "Try '$prog --help' for more information.\n"},
 163       {EXIT => 2}],
 164
 165      ['bignum-add', "$big + 1", {OUT => $big_p1}],
 166      ['bignum-add2', "$big + $big_p1", {OUT => $big_sum}],
 167      ['bignum-sub', "$big_p1 - 1", {OUT => $big}],
 168      ['bignum-sub2', "$big_sum - $big", {OUT => $big_p1}],
 169      ['bignum-mul', "$big_p1 '*' $big", {OUT => $big_prod}],
 170      ['bignum-div', "$big_prod / $big", {OUT => $big_p1}],
 171     );
 172
 173 # If using big numbers fails, remove all /^bignum-/ tests
 174 `expr $big_prod '*' $big_prod '*' $big_prod`
 175   or @Tests = grep {$_->[0] !~ /^bignum-/} @Tests;
 176
 177 # Append a newline to end of each expected `OUT' string.
 178 my $t;
 179 foreach $t (@Tests)
 180   {
 181     my $arg1 = $t->[1];
 182     my $e;
 183     foreach $e (@$t)
 184       {
 185         $e->{OUT} .= "\n"
 186           if ref $e eq 'HASH' and exists $e->{OUT};
 187       }
 188   }
 189
 190 my $save_temps = $ENV{SAVE_TEMPS};
 191 my $verbose = $ENV{VERBOSE};
 192
 193 my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
 194 exit $fail;