test.pm

实战Linux编程的原代码,希望对学驱动的人能有所帮助

package Test;
require 5.002;
use strict;

$Test::input_via_stdin = 1;

my @tv = (
# test flags  input                 expected output        expected return code
['a0', '-c',  '',                   "      0\n",                    0],
['a1', '-l',  '',                   "      0\n",                    0],
['a2', '-w',  '',                   "      0\n",                    0],
['a3', '-c',  'x',                  "      1\n",                    0],
['a4', '-w',  'x',                  "      1\n",                    0],
['a5', '-w',  "x y\n",              "      2\n",                    0],
['a6', '-w',  "x y\nz",             "      3\n",                    0],
# Remember, -l counts *newline* bytes, not logical lines.
['a7', '-l',  "x y",                "      0\n",                    0],
['a8', '-l',  "x y\n",              "      1\n",                    0],
['a9', '-l',  "x\ny\n",             "      2\n",                    0],
['b0', '',    "",                   "      0       0       0\n",    0],
['b1', '',    "a b\nc\n",           "      2       3       6\n",    0],
['c0', '-L',  "1\n12\n",            "      2\n",                    0],
['c1', '-L',  "1\n123\n1\n",        "      3\n",                    0],
['c2', '-L',  "\n123456",           "      6\n",                    0],
);

sub test_vector
{
  my $t;
  foreach $t (@tv)
    {
      my ($test_name, $flags, $in, $exp, $ret) = @$t;
      # By default, test both stdin-redirection and input from a pipe.
      $Test::input_via{$test_name} = {REDIR => 0, PIPE => 0};

      # But if test name ends with `-file', test only with file arg(s).
      # FIXME: unfortunately, invoking wc like `wc FILE' makes it put
      # FILE in the ouput -- and FILE is different depending on $srcdir.
      $Test::input_via{$test_name} = {FILE => 0}
        if $test_name =~ /-file$/;
    }

  return @tv;
}

1;