tests/misc/expr

   1 #!/usr/bin/perl
   2 # Basic tests for "expr".
   3
   4 # Copyright (C) 2001, 2003-2008 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 @Tests =
  28     (
  29      ['a', '5 + 6', {OUT => '11'}],
  30      ['b', '5 - 6', {OUT => '-1'}],
  31      ['c', '5 \* 6', {OUT => '30'}],
  32      ['d', '100 / 6', {OUT => '16'}],
  33      ['e', '100 % 6', {OUT => '4'}],
  34      ['f', '3 + -2', {OUT => '1'}],
  35      ['g', '-2 + -2', {OUT => '-4'}],
  36
  37      ['paren1', '\( 100 % 6 \)', {OUT => '4'}],
  38      ['paren2', '\( 100 % 6 \) - 8', {OUT => '-4'}],
  39      ['paren3', '9 / \( 100 % 6 \) - 8', {OUT => '-6'}],
  40      ['paren4', '9 / \( \( 100 % 6 \) - 8 \)', {OUT => '-2'}],
  41      ['paren5', '9 + \( 100 % 6 \)', {OUT => '13'}],
  42
  43      # Before 2.0.12, this would output `1'.
  44      ['0bang', '00 \< 0!', {OUT => '0'}, {EXIT => 1}],
  45
  46      # In 5.1.3 and earlier, these would exit with status 0.
  47      ['00', '00', {OUT => '00'}, {EXIT => 1}],
  48      ['minus0', '-0', {OUT => '-0'}, {EXIT => 1}],
  49
  50      # In 5.1.3 and earlier, these would report errors.
  51      ['andand', '0 \& 1 / 0', {OUT => '0'}, {EXIT => 1}],
  52      ['oror', '1 \| 1 / 0', {OUT => '1'}, {EXIT => 0}],
  53
  54      # In 5.1.3 and earlier, this would output the empty string.
  55      ['orempty', '"" \| ""', {OUT => '0'}, {EXIT => 1}],
  56
  57      # This evoked a syntax error diagnostic before 2.0.12.
  58      ['minus2', '-- 2 + 2', {OUT => '4'}],
  59
  60      # This erroneously succeeded and output `3' before 2.0.12.
  61      ['fail-a', '3 + -', {ERR => "$prog: non-numeric argument\n"},
  62       {EXIT => 2}],
  63
  64      # This erroneously succeeded before 5.3.1.
  65      ['bigcmp', '-- -2417851639229258349412352 \< 2417851639229258349412352',
  66       {OUT => '1'}, {EXIT => 0}],
  67
  68      # In 5.94 and earlier, anchors incorrectly matched newlines.
  69      ['anchor', "'a\nb' : 'a\$'", {OUT => '0'}, {EXIT => 1}],
  70
  71      # These tests are taken from grep/tests/bre.tests.
  72      ['bre1', '"abc" : "a\\(b\\)c"', {OUT => 'b'}],
  73      ['bre2', '"a(" : "a("', {OUT => '2'}],
  74      ['bre3', '_ : "a\\("',
  75       {ERR => "$prog: Unmatched ( or \\(\n"}, {EXIT => 2}],
  76      ['bre4', '_ : "a\\(b"',
  77       {ERR => "$prog: Unmatched ( or \\(\n"}, {EXIT => 2}],
  78      ['bre5', '"a(b" : "a(b"', {OUT => '3'}],
  79      ['bre6', '"a)" : "a)"', {OUT => '2'}],
  80      ['bre7', '_ : "a\\)"',
  81       {ERR => "$prog: Unmatched ) or \\)\n"}, {EXIT => 2}],
  82      ['bre8', '_ : "\\)"',
  83       {ERR => "$prog: Unmatched ) or \\)\n"}, {EXIT => 2}],
  84      ['bre9', '"ab" : "a\\(\\)b"', {OUT => ''}, {EXIT => 1}],
  85      ['bre10', '"a^b" : "a^b"', {OUT => '3'}],
  86      ['bre11', '"a\$b" : "a\$b"', {OUT => '3'}],
  87      ['bre12', '"" : "\\($\\)\\(^\\)"', {OUT => ''}, {EXIT => 1}],
  88      ['bre13', '"b" : "a*\\(^b\$\\)c*"', {OUT => 'b'}],
  89      ['bre14', '"X|" : "X\\(|\\)" : "(" "X|" : "X\\(|\\)" ")"', {OUT => '1'}],
  90      ['bre15', '"X*" : "X\\(*\\)" : "(" "X*" : "X\\(*\\)" ")"', {OUT => '1'}],
  91      ['bre16', '"abc" : "\\(\\)"', {OUT => ''}, {EXIT => 1}],
  92      ['bre17', '"{1}a" : "\\(\\{1\\}a\\)"', {OUT => '{1}a'}],
  93      ['bre18', '"X*" : "X\\(*\\)" : "^*"', {OUT => '1'}],
  94      ['bre19', '"{1}" : "^\\{1\\}"', {OUT => '3'}],
  95      ['bre20', '"{" : "{"', {OUT => '1'}],
  96      ['bre21', '"abbcbd" : "a\\(b*\\)c\\1d"', {OUT => ''}, {EXIT => 1}],
  97      ['bre22', '"abbcbbbd" : "a\\(b*\\)c\\1d"', {OUT => ''}, {EXIT => 1}],
  98      ['bre23', '"abc" : "\\(.\\)\\1"', {OUT => ''}, {EXIT => 1}],
  99      ['bre24', '"abbccd" : "a\\(\\([bc]\\)\\2\\)*d"', {OUT => 'cc'}],
 100      ['bre25', '"abbcbd" : "a\\(\\([bc]\\)\\2\\)*d"',
 101       {OUT => ''}, {EXIT => 1}],
 102      ['bre26', '"abbbd" : "a\\(\\(b\\)*\\2\\)*d"', {OUT => 'bbb'}],
 103      ['bre27', '"aabcd" : "\\(a\\)\\1bcd"', {OUT => 'a'}],
 104      ['bre28', '"aabcd" : "\\(a\\)\\1bc*d"', {OUT => 'a'}],
 105      ['bre29', '"aabd" : "\\(a\\)\\1bc*d"', {OUT => 'a'}],
 106      ['bre30', '"aabcccd" : "\\(a\\)\\1bc*d"', {OUT => 'a'}],
 107      ['bre31', '"aabcccd" : "\\(a\\)\\1bc*[ce]d"', {OUT => 'a'}],
 108      ['bre32', '"aabcccd" : "\\(a\\)\\1b\\(c\\)*cd\$"', {OUT => 'a'}],
 109      ['bre33', '"a*b" : "a\\(*\\)b"', {OUT => '*'}],
 110      ['bre34', '"ab" : "a\\(**\\)b"', {OUT => ''}, {EXIT => 1}],
 111      ['bre35', '"ab" : "a\\(***\\)b"', {OUT => ''}, {EXIT => 1}],
 112      ['bre36', '"*a" : "*a"', {OUT => '2'}],
 113      ['bre37', '"a" : "**a"', {OUT => '1'}],
 114      ['bre38', '"a" : "***a"', {OUT => '1'}],
 115      ['bre39', '"ab" : "a\\{1\\}b"', {OUT => '2'}],
 116      ['bre40', '"ab" : "a\\{1,\\}b"', {OUT => '2'}],
 117      ['bre41', '"aab" : "a\\{1,2\\}b"', {OUT => '3'}],
 118      ['bre42', '_ : "a\\{1"',
 119       {ERR => "$prog: Unmatched \\{\n"}, {EXIT => 2}],
 120      ['bre43', '_ : "a\\{1a"',
 121       {ERR => "$prog: Unmatched \\{\n"}, {EXIT => 2}],
 122      ['bre44', '_ : "a\\{1a\\}"',
 123       {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}],
 124      ['bre45', '"a" : "a\\{,2\\}"', {OUT => '1'}],
 125      ['bre46', '"a" : "a\\{,\\}"', {OUT => '1'}],
 126      ['bre47', '_ : "a\\{1,x\\}"',
 127       {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}],
 128      ['bre48', '_ : "a\\{1,x"',
 129       {ERR => "$prog: Unmatched \\{\n"}, {EXIT => 2}],
 130      ['bre49', '_ : "a\\{32768\\}"',
 131       {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}],
 132      ['bre50', '_ : "a\\{1,0\\}"',
 133       {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}],
 134      ['bre51', '"acabc" : ".*ab\\{0,0\\}c"', {OUT => '2'}],
 135      ['bre52', '"abcac" : "ab\\{0,1\\}c"', {OUT => '3'}],
 136      ['bre53', '"abbcac" : "ab\\{0,3\\}c"', {OUT => '4'}],
 137      ['bre54', '"abcac" : ".*ab\\{1,1\\}c"', {OUT => '3'}],
 138      ['bre55', '"abcac" : ".*ab\\{1,3\\}c"', {OUT => '3'}],
 139      ['bre56', '"abbcabc" : ".*ab\{2,2\}c"', {OUT => '4'}],
 140      ['bre57', '"abbcabc" : ".*ab\{2,4\}c"', {OUT => '4'}],
 141      ['bre58', '"aa" : "a\\{1\\}\\{1\\}"', {OUT => '1'}],
 142      ['bre59', '"aa" : "a*\\{1\\}"', {OUT => '2'}],
 143      ['bre60', '"aa" : "a\\{1\\}*"', {OUT => '2'}],
 144      ['bre61', '"acd" : "a\\(b\\)?c\\1d"', {OUT => ''}, {EXIT => 1}],
 145      ['bre62', '-- "-5" : "-\\{0,1\\}[0-9]*\$"', {OUT => '2'}],
 146
 147      ['fail-b', '9 9', {ERR => "$prog: syntax error\n"},
 148       {EXIT => 2}],
 149      ['fail-c', {ERR => "$prog: missing operand\n"
 150                  . "Try `$prog --help' for more information.\n"},
 151       {EXIT => 2}],
 152     );
 153
 154 # Append a newline to end of each expected `OUT' string.
 155 my $t;
 156 foreach $t (@Tests)
 157   {
 158     my $arg1 = $t->[1];
 159     my $e;
 160     foreach $e (@$t)
 161       {
 162         $e->{OUT} .= "\n"
 163           if ref $e eq 'HASH' and exists $e->{OUT};
 164       }
 165   }
 166
 167 my $save_temps = $ENV{SAVE_TEMPS};
 168 my $verbose = $ENV{VERBOSE};
 169
 170 my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
 171 exit $fail;