maint: update quoting of "Try `prog --help'" to "Try 'prog --help'"
[coreutils.git] / tests / misc / expr
blobbe757e2c69b9de1bb76d067102d7c73a5a7b1255
1 #!/usr/bin/perl
2 # Basic tests for "expr".
4 # Copyright (C) 2001, 2003-2012 Free Software Foundation, Inc.
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.
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.
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/>.
19 use strict;
21 (my $program_name = $0) =~ s|.*/||;
22 my $prog = 'expr';
24 # Turn off localization of executable's output.
25 @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
27 my $big = '98782897298723498732987928734';
28 my $big_p1 = '98782897298723498732987928735';
29 my $big_sum = '197565794597446997465975857469';
30 my $big_prod = '9758060798730154302876482828124348356960410232492450771490';
32 my @Tests =
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'}],
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'}],
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'}],
57 # Before 2.0.12, this would output `1'.
58 ['0bang', '00 \< 0!', {OUT => '0'}, {EXIT => 1}],
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}],
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}],
68 # In 5.1.3 and earlier, this would output the empty string.
69 ['orempty', '"" \| ""', {OUT => '0'}, {EXIT => 1}],
72 # This erroneously succeeded and output `3' before 2.0.12.
73 ['fail-a', '3 + -', {ERR => "$prog: non-integer argument\n"},
74 {EXIT => 2}],
76 # This erroneously succeeded before 5.3.1.
77 ['bigcmp', '-- -2417851639229258349412352 \< 2417851639229258349412352',
78 {OUT => '1'}, {EXIT => 0}],
80 # In 5.94 and earlier, anchors incorrectly matched newlines.
81 ['anchor', "'a\nb' : 'a\$'", {OUT => '0'}, {EXIT => 1}],
83 # These tests are taken from grep/tests/bre.tests.
84 ['bre1', '"abc" : "a\\(b\\)c"', {OUT => 'b'}],
85 ['bre2', '"a(" : "a("', {OUT => '2'}],
86 ['bre3', '_ : "a\\("',
87 {ERR => "$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 => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}],
146 ['bre51', '"acabc" : ".*ab\\{0,0\\}c"', {OUT => '2'}],
147 ['bre52', '"abcac" : "ab\\{0,1\\}c"', {OUT => '3'}],
148 ['bre53', '"abbcac" : "ab\\{0,3\\}c"', {OUT => '4'}],
149 ['bre54', '"abcac" : ".*ab\\{1,1\\}c"', {OUT => '3'}],
150 ['bre55', '"abcac" : ".*ab\\{1,3\\}c"', {OUT => '3'}],
151 ['bre56', '"abbcabc" : ".*ab\{2,2\}c"', {OUT => '4'}],
152 ['bre57', '"abbcabc" : ".*ab\{2,4\}c"', {OUT => '4'}],
153 ['bre58', '"aa" : "a\\{1\\}\\{1\\}"', {OUT => '1'}],
154 ['bre59', '"aa" : "a*\\{1\\}"', {OUT => '2'}],
155 ['bre60', '"aa" : "a\\{1\\}*"', {OUT => '2'}],
156 ['bre61', '"acd" : "a\\(b\\)?c\\1d"', {OUT => ''}, {EXIT => 1}],
157 ['bre62', '-- "-5" : "-\\{0,1\\}[0-9]*\$"', {OUT => '2'}],
159 ['fail-b', '9 9', {ERR => "$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}],
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}],
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;
177 # Append a newline to end of each expected `OUT' string.
178 my $t;
179 foreach $t (@Tests)
181 my $arg1 = $t->[1];
182 my $e;
183 foreach $e (@$t)
185 $e->{OUT} .= "\n"
186 if ref $e eq 'HASH' and exists $e->{OUT};
190 my $save_temps = $ENV{SAVE_TEMPS};
191 my $verbose = $ENV{VERBOSE};
193 my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
194 exit $fail;