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tests/expr/expr.pl
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Sylvestre Ledru
tests: expr: add short-circuit tests with parenthesized branches
06 апр 2026, 20:22
06 апр 2026, 20:22
793f45e
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#!/usr/bin/perl # Basic tests for "expr". # Copyright (C) 2001-2026 Free Software Foundation, Inc. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see <https://www.gnu.org/licenses/>. use strict; (my $program_name = $0) =~ s|.*/||; my $prog = 'expr'; # Turn off localization of executable's output. @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3; my $mb_locale = $ENV{LOCALE_FR_UTF8}; ! defined $mb_locale || $mb_locale eq 'none' and $mb_locale = 'C'; my $big = '98782897298723498732987928734'; my $big_p1 = '98782897298723498732987928735'; my $big_sum = '197565794597446997465975857469'; my $big_prod = '9758060798730154302876482828124348356960410232492450771490'; my @Tests = ( ['a', '5 + 6', {OUT => '11'}], ['b', '5 - 6', {OUT => '-1'}], ['c', '5 \* 6', {OUT => '30'}], ['d', '100 / 6', {OUT => '16'}], ['e', '100 % 6', {OUT => '4'}], ['f', '3 + -2', {OUT => '1'}], ['g', '-2 + -2', {OUT => '-4'}], # Verify option processing. # Added when option processing broke in the 7.0 beta release ['opt1', '-- -11 + 12', {OUT => '1'}], ['opt2', '-11 + 12', {OUT => '1'}], ['opt3', '-- -1 + 2', {OUT => '1'}], ['opt4', '-1 + 2', {OUT => '1'}], # This evoked a syntax error diagnostic before 2.0.12. ['opt5', '-- 2 + 2', {OUT => '4'}], ['paren1', '\( 100 % 6 \)', {OUT => '4'}], ['paren2', '\( 100 % 6 \) - 8', {OUT => '-4'}], ['paren3', '9 / \( 100 % 6 \) - 8', {OUT => '-6'}], ['paren4', '9 / \( \( 100 % 6 \) - 8 \)', {OUT => '-2'}], ['paren5', '9 + \( 100 % 6 \)', {OUT => '13'}], # Before 2.0.12, this would output '1'. ['0bang', '00 \< 0!', {OUT => '0'}, {EXIT => 1}], # In 5.1.3 and earlier, these would exit with status 0. ['00', '00', {OUT => '00'}, {EXIT => 1}], ['minus0', '-0', {OUT => '-0'}, {EXIT => 1}], # In 5.1.3 and earlier, these would report errors. ['andand', '0 \& 1 / 0', {OUT => '0'}, {EXIT => 1}], ['oror', '1 \| 1 / 0', {OUT => '1'}, {EXIT => 0}], # Short-circuit must also skip parenthesized dead branches. ['or-paren', '1 \| \( 1 / 0 \)', {OUT => '1'}, {EXIT => 0}], ['and-paren', '0 \& \( 1 / 0 \)', {OUT => '0'}, {EXIT => 1}], ['or-nested', '1 \| \( 0 \& \( 1 / 0 \) \)', {OUT => '1'}, {EXIT => 0}], ['and-nested', '0 \& \( 1 \| \( 1 / 0 \) \)', {OUT => '0'}, {EXIT => 1}], # In 5.1.3 and earlier, this would output the empty string. ['orempty', '"" \| ""', {OUT => '0'}, {EXIT => 1}], # This erroneously succeeded and output '3' before 2.0.12. ['fail-a', '3 + -', {ERR => "$prog: non-integer argument\n"}, {EXIT => 2}], # This erroneously succeeded before 5.3.1. ['bigcmp', '-- -2417851639229258349412352 \< 2417851639229258349412352', {OUT => '1'}, {EXIT => 0}], # In 5.94 and earlier, anchors incorrectly matched newlines. ['anchor', "'a\nb' : 'a\$'", {OUT => '0'}, {EXIT => 1}], # In 8.32, \( ... \) that did not match caused memory errors. ['emptysub', '"a" : "\\(b\\)*"', {OUT => ''}, {EXIT => 1}], # These tests are taken from grep/tests/bre.tests. ['bre1', '"abc" : "a\\(b\\)c"', {OUT => 'b'}], ['bre2', '"a(" : "a("', {OUT => '2'}], ['bre3', '_ : "a\\("', {ERR => "$prog: Unmatched ( or \\(\n"}, {EXIT => 2}], ['bre4', '_ : "a\\(b"', {ERR => "$prog: Unmatched ( or \\(\n"}, {EXIT => 2}], ['bre5', '"a(b" : "a(b"', {OUT => '3'}], ['bre6', '"a)" : "a)"', {OUT => '2'}], ['bre7', '_ : "a\\)"', {ERR => "$prog: Unmatched ) or \\)\n"}, {EXIT => 2}], ['bre8', '_ : "\\)"', {ERR => "$prog: Unmatched ) or \\)\n"}, {EXIT => 2}], ['bre9', '"ab" : "a\\(\\)b"', {OUT => ''}, {EXIT => 1}], ['bre10', '"a^b" : "a^b"', {OUT => '3'}], ['bre11', '"a\$b" : "a\$b"', {OUT => '3'}], ['bre12', '"" : "\\($\\)\\(^\\)"', {OUT => ''}, {EXIT => 1}], ['bre13', '"b" : "a*\\(^b\$\\)c*"', {OUT => 'b'}], ['bre14', '"X|" : "X\\(|\\)" : "(" "X|" : "X\\(|\\)" ")"', {OUT => '1'}], ['bre15', '"X*" : "X\\(*\\)" : "(" "X*" : "X\\(*\\)" ")"', {OUT => '1'}], ['bre16', '"abc" : "\\(\\)"', {OUT => ''}, {EXIT => 1}], ['bre17', '"{1}a" : "\\(\\{1\\}a\\)"', {OUT => '{1}a'}], ['bre18', '"X*" : "X\\(*\\)" : "^*"', {OUT => '1'}], ['bre19', '"{1}" : "^\\{1\\}"', {OUT => '3'}], ['bre20', '"{" : "{"', {OUT => '1'}], ['bre21', '"abbcbd" : "a\\(b*\\)c\\1d"', {OUT => ''}, {EXIT => 1}], ['bre22', '"abbcbbbd" : "a\\(b*\\)c\\1d"', {OUT => ''}, {EXIT => 1}], ['bre23', '"abc" : "\\(.\\)\\1"', {OUT => ''}, {EXIT => 1}], ['bre24', '"abbccd" : "a\\(\\([bc]\\)\\2\\)*d"', {OUT => 'cc'}], ['bre25', '"abbcbd" : "a\\(\\([bc]\\)\\2\\)*d"', {OUT => ''}, {EXIT => 1}], ['bre26', '"abbbd" : "a\\(\\(b\\)*\\2\\)*d"', {OUT => 'bbb'}], ['bre27', '"aabcd" : "\\(a\\)\\1bcd"', {OUT => 'a'}], ['bre28', '"aabcd" : "\\(a\\)\\1bc*d"', {OUT => 'a'}], ['bre29', '"aabd" : "\\(a\\)\\1bc*d"', {OUT => 'a'}], ['bre30', '"aabcccd" : "\\(a\\)\\1bc*d"', {OUT => 'a'}], ['bre31', '"aabcccd" : "\\(a\\)\\1bc*[ce]d"', {OUT => 'a'}], ['bre32', '"aabcccd" : "\\(a\\)\\1b\\(c\\)*cd\$"', {OUT => 'a'}], ['bre33', '"a*b" : "a\\(*\\)b"', {OUT => '*'}], ['bre34', '"ab" : "a\\(**\\)b"', {OUT => ''}, {EXIT => 1}], ['bre35', '"ab" : "a\\(***\\)b"', {OUT => ''}, {EXIT => 1}], ['bre36', '"*a" : "*a"', {OUT => '2'}], ['bre37', '"a" : "**a"', {OUT => '1'}], ['bre38', '"a" : "***a"', {OUT => '1'}], ['bre39', '"ab" : "a\\{1\\}b"', {OUT => '2'}], ['bre40', '"ab" : "a\\{1,\\}b"', {OUT => '2'}], ['bre41', '"aab" : "a\\{1,2\\}b"', {OUT => '3'}], ['bre42', '_ : "a\\{1"', {ERR => "$prog: Unmatched \\{\n"}, {EXIT => 2}], ['bre43', '_ : "a\\{1a"', {ERR => "$prog: Unmatched \\{\n"}, {EXIT => 2}], ['bre44', '_ : "a\\{1a\\}"', {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}], ['bre45', '"a" : "a\\{,2\\}"', {OUT => '1'}], ['bre46', '"a" : "a\\{,\\}"', {OUT => '1'}], ['bre47', '_ : "a\\{1,x\\}"', {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}], ['bre48', '_ : "a\\{1,x"', {ERR => "$prog: Unmatched \\{\n"}, {EXIT => 2}], ['bre49', '_ : "a\\{32768\\}"', {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}, # Map AIX-6's different diagnostic to the one we expect: {ERR_SUBST => 's,Regular expression too big,Invalid content of \\\\{\\\\},'}, ], ['bre50', '_ : "a\\{1,0\\}"', {ERR => "$prog: Invalid content of \\{\\}\n"}, {EXIT => 2}], ['bre51', '"acabc" : ".*ab\\{0,0\\}c"', {OUT => '2'}], ['bre52', '"abcac" : "ab\\{0,1\\}c"', {OUT => '3'}], ['bre53', '"abbcac" : "ab\\{0,3\\}c"', {OUT => '4'}], ['bre54', '"abcac" : ".*ab\\{1,1\\}c"', {OUT => '3'}], ['bre55', '"abcac" : ".*ab\\{1,3\\}c"', {OUT => '3'}], ['bre56', '"abbcabc" : ".*ab\{2,2\}c"', {OUT => '4'}], ['bre57', '"abbcabc" : ".*ab\{2,4\}c"', {OUT => '4'}], ['bre58', '"aa" : "a\\{1\\}\\{1\\}"', {OUT => '1'}], ['bre59', '"aa" : "a*\\{1\\}"', {OUT => '2'}], ['bre60', '"aa" : "a\\{1\\}*"', {OUT => '2'}], ['bre61', '"acd" : "a\\(b\\)?c\\1d"', {OUT => ''}, {EXIT => 1}], ['bre62', '-- "-5" : "-\\{0,1\\}[0-9]*\$"', {OUT => '2'}], ['fail-c', {ERR => "$prog: missing operand\n" . "Try '$prog --help' for more information.\n"}, {EXIT => 2}], ['bignum-add', "$big + 1", {OUT => $big_p1}], ['bignum-add2', "$big + $big_p1", {OUT => $big_sum}], ['bignum-sub', "$big_p1 - 1", {OUT => $big}], ['bignum-sub2', "$big_sum - $big", {OUT => $big_p1}], ['bignum-mul', "$big_p1 '*' $big", {OUT => $big_prod}], ['bignum-div', "$big_prod / $big", {OUT => $big_p1}], # Test syntax error messages ['se0', '9 9', {ERR => "$prog: syntax error: unexpected argument '9'\n"}, {EXIT => 2}], ['se1', "2 a", {EXIT=>2}, {ERR=>"$prog: syntax error: unexpected argument 'a'\n"}], ['se2', "2 '+'", {EXIT=>2}, {ERR=>"$prog: syntax error: missing argument after '+'\n"}], ['se3', "2 :", {EXIT=>2}, {ERR=>"$prog: syntax error: missing argument after ':'\n"}], ['se4', "length", {EXIT=>2}, {ERR=>"$prog: syntax error: missing argument after 'length'\n"}], ['se5', "'(' 2 ", {EXIT=>2}, {ERR=>"$prog: syntax error: expecting ')' after '2'\n"}], ['se6', "'(' 2 a", {EXIT=>2}, {ERR=>"$prog: syntax error: expecting ')' instead of 'a'\n"}], ); # Append a newline to end of each expected 'OUT' string. my $t; foreach $t (@Tests) { my $arg1 = $t->[1]; my $e; foreach $e (@$t) { $e->{OUT} .= "\n" if ref $e eq 'HASH' and exists $e->{OUT}; } } # Try multibyte locale in most tests. # if ($mb_locale ne 'C') { # Duplicate each test vector, appending "-mb" to the test name and # inserting {ENV => "LC_ALL=$mb_locale"} in the copy, so that we # provide coverage for multi-byte code paths. my @new; foreach my $t (@Tests) { # Don't add the quote varying tests to the multi-byte set $t->[0] =~ /^se/ and next; my @new_t = @$t; my $test_name = shift @new_t; push @new, ["$test_name-mb", @new_t, {ENV => "LC_ALL=$mb_locale"}]; } push @Tests, @new; } my $save_temps = $ENV{SAVE_TEMPS}; my $verbose = $ENV{VERBOSE}; my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose); exit $fail;