tests/tsort/basic-1

   1 #!/bin/sh
   2 # -*- perl -*-
   3
   4 : ${PERL=perl}
   5 : ${srcdir=.}
   6
   7 $PERL -e 1 > /dev/null 2>&1 || {
   8   echo 1>&2 "$0: configure didn't find a usable version of Perl," \
   9     "so can't run this test"
  10   exit 77
  11 }
  12
  13 exec $PERL -w -I$srcdir/.. -MFetish -- - <<\EOF
  14 #/
  15 require 5.003;
  16 use strict;
  17
  18 (my $program_name = $0) =~ s|.*/||;
  19
  20 # Turn off localisation of executable's ouput.
  21 @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
  22
  23 my @Tests =
  24   (
  25    ['cycle-1', {IN => {f => "t b\nt s\ns t\n"}}, {OUT => "s\nt\nb\n"},
  26     {EXIT => 1},
  27     {ERR => "tsort: f: input contains a loop:\ntsort: s\ntsort: t\n"} ],
  28    ['cycle-2', {IN => {f => "t x\nt s\ns t\n"}}, {OUT => "s\nt\nx\n"},
  29     {EXIT => 1},
  30     {ERR => "tsort: f: input contains a loop:\ntsort: s\ntsort: t\n"} ],
  31
  32    ['posix-1', {IN => "a b c c d e\ng g\nf g e f\nh h\n"},
  33     {OUT => "a\nc\nd\nh\nb\ne\nf\ng\n"}],
  34    ['posix-2', {IN => "b a\nd c\nz h x h r h\n"},
  35     {OUT => "b\nd\nr\nx\nz\na\nc\nh\n"}],
  36
  37    ['linear-1', {IN => "a b b c c d d e e f f g\n"},
  38     {OUT => "a\nb\nc\nd\ne\nf\ng\n"}],
  39
  40    ['tree-1', {IN => "a b b c c d d e e f f g\nc x x y y z\n"},
  41     {OUT => "a\nb\nc\nx\nd\ny\ne\nz\nf\ng\n"}],
  42    ['tree-2', {IN => "a b b c c d d e e f f g\nc x x y y z\nf r r s s t\n"},
  43     {OUT => "a\nb\nc\nx\nd\ny\ne\nz\nf\nr\ng\ns\nt\n"}],
  44
  45    # Before coreutils-5.0.1, given an odd number of input tokens,
  46    # tsort would accept that and treat the input as if an additional
  47    # copy of the final token were appended.
  48    ['odd', {IN => "a\n"},
  49     {EXIT => 1},
  50     {ERR => "tsort: odd.1: input contains an odd number of tokens\n"}],
  51
  52    ['only-one', {IN => {f => ""}}, {IN => {g => ""}},
  53     {EXIT => 1},
  54     {ERR => "tsort: extra operand `g'\n"
  55      . "Try `tsort --help' for more information.\n"}],
  56   );
  57
  58 my $save_temps = $ENV{DEBUG};
  59 my $verbose = $ENV{VERBOSE};
  60
  61 my $prog = $ENV{PROG} || die "$0: \$PROG not specified in environment\n";
  62 my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
  63 exit $fail;
  64 EOF