Acme-FSM

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# $Id: query_switch.t 484 2013-05-09 20:56:46Z whynot $
# Copyright 2012, 2013 Eric Pozharski <whynot@pozharski.name>
# GNU GPLv3
# AS-IS, NO-WARRANTY, HOPE-TO-BE-USEFUL

use strict;
use warnings;

package t::TestSuite::FSM;
use parent qw| Acme::FSM |;

sub push_push                    {
    my $bb        = shift @_;
    $bb->{MKS}    = shift @main::flags;
    $bb->{CS_RCS} = shift @_                                            if @_;
    return !0, shift @main::flags }

package t::TestSuite::switch;

sub new { bless { }, shift @_ }

sub push_push                    {
    my $bb          = shift @_;
    $bb->{jedi_vcs} = shift @main::flags;
    $bb->{gat}      = shift @_                                          if @_;
    return !0, shift @main::flags }

package main;
use version 0.77; our $VERSION = version->declare( v2.3.4 );

use t::TestSuite qw| :diag :wraps |;
use Test::More;

use Acme::FSM;
use List::Util qw| sum |;

our( $bb, $rc, $stderr );
our %st    = ( START => { switch => undef, });
my $method = q|query_switch|;

our( $lock, $tag );
our @flags =
qw| m_files     Chiocciola
    archipel  superversion
    mercurial Valdimontone
    surround_SCM     asvcs
    dcvs            Aquila
    so6            fastcst
    arx            Nicchio
    cvsnt   sourceanywhere
    opencm         Pantera
    cvs          codeville
    controltier      Torre
    rmtrcs       ic_manage |;

sub push_push                      {
    my $rc = shift @_;
    return sub                    {
    my $bb      = shift @_;
    $bb->{RCS}  = shift @main::flags;
    $bb->{CSSC} = shift @_                                              if @_;
    return $rc, shift @main::flags }}

my %plug = ( diag_level => 5 );
my $switch;

my @data =
([            q|{switch} isa (undef)|,
  [qw|                        fail |],
  sub {                  undef, { } },
  [                                 ],
  qr.\Q {START}{switch} !isa defined.                                 ],
 [                                           q|{switch} isa (SCALAR)|,
  [qw|                                                  fail noise |],
  sub {                                               \$method, { } },
  [                                                                 ],
                                                  qr.\Q isa (SCALAR)., 
  { noted => qr.(?m)\Q[query_switch]: {START}{switch} isa (SCALAR). } ],
 [                                    q|{switch} isa (Acme::FSM)|,
  [qw|                                         copy fail noise |],
  sub {                                                $bb, { } },
  [                                                             ],
                                           qr.\Q isa (Acme::FSM).,
  { noted =>
      qr.(?m)\Q[query_switch]: {START}{switch} isa (Acme::FSM). }     ],
 [  q|{switch} isa (CODE), {namespace} unset, returns TRUE, no arg|,
  [qw|                                                pass noise |],
  sub {                                      push_push( !0 ), { } },
  [                                                               ],
  sub {                       $bb->{RCS}, exists $bb->{CSSC}, $rc },
  [                                      q|m_files|, '', q|tturn| ],
  { noted => qr.(?m)\Q[query_switch]: {START}{switch} isa (CODE). }   ],
 [     q|{switch} isa (CODE), {namespace} unset, returns TRUE, arg|,
  [qw|                                                pass noise |],
  sub {                                                undef, { } },
  [qw|                                                   Civetta |],
  sub {                                @$bb{qw| RCS CSSC |}, @$rc },
  [qw|                       archipel Civetta tturn superversion |],
  { noted => qr.(?m)\Q[query_switch]: {START}{switch} isa (CODE). }   ],
 [ q|{switch} isa (CODE), {namespace} unset, returns FALSE, no arg|,
  [qw|                                                pass noise |],
  sub {                                      push_push( !1 ), { } },
  [                                                               ],
  sub {                       $bb->{RCS}, exists $bb->{CSSC}, $rc },
  [                                    q|mercurial|, '', q|fturn| ],
  { noted => qr.(?m)\Q[query_switch]: {START}{switch} isa (CODE). }   ],
 [    q|{switch} isa (CODE), {namespace} unset, returns FALSE, arg|,
  [qw|                                                pass noise |],
  sub {                                                undef, { } },
  [qw|                                                      Onda |],
  sub {                                @$bb{qw| RCS CSSC |}, @$rc },
  [qw|                             surround_SCM Onda fturn asvcs |],
  { noted => qr.(?m)\Q[query_switch]: {START}{switch} isa (CODE). }   ],
 [                      q|{switch} isa (CODE), {namespace} isa set|,
  [qw|                                                pass noise |],
  sub {                push_push( !0 ), { namespace => q|vesta| } },
  [                                                               ],
  sub {                       $bb->{RCS}, exists $bb->{CSSC}, $rc },
  [                                         q|dcvs|, '', q|tturn| ],
  { noted => qr.(?m)\Q[query_switch]: {START}{switch} isa (CODE). }   ],
 [    q|{switch} isa (CODE), {namespace} isa set, argument isa set|,
  [qw|                                                pass noise |],
  sub {                          undef, { namespace => q|vesta| } },
  [qw|                          allfusion_harvest_change_manager |],
  sub {                                @$bb{qw| RCS CSSC |}, @$rc },
  [qw|        so6 allfusion_harvest_change_manager tturn fastcst |],
  { noted => qr.(?m)\Q[query_switch]: {START}{switch} isa (CODE). }   ],
 [                 q|{switch} isa (), {namespace} !isa defined|,
  [qw|                                            fail noise |],
  sub {                                    q|snapshotcm|, { } },
  [                                                           ],
                                qr.\Q {namespace} !isa defined.,
  { noted => qr.(?m)\Q[query_switch]: {START}{switch} isa (). },      ],
 [    q|{switch} !isa defined method, {namespace} eq ()|,
  [qw|                               fail noise noise |],
  sub                                                 {
      $t::TestSuite::class_cheat = q|t::TestSuite::FSM|;
                     q|hsup_hsup|, { namespace => '' } },
  [                                                    ],
    qr.\Q <t::TestSuite::FSM> can't [hsup_hsup] method .,
  { defaulting =>        qr.(?xm)\[query_switch\]:\s
      defaulting\s\{START\}\{switch\}\sto\s\x24self.,
    defaulted  =>        qr.(?xm)\[query_switch\]:\s
           \{namespace\}\sisa\s\(t::TestSuite::FSM\).  }              ],
 [    q|{switch} isa defined method, {namespace} eq ()|,
  [qw|                                    pass noise |],
  sub {             q|push_push|, { namespace => '' } },
  [                                                   ],
  sub {         $bb->{MKS}, exists $bb->{CS_RCS}, $rc },
  [                              q|arx|, '', q|tturn| ],
  { noted =>             qr.(?xm)\[query_switch\]:\s
      going\sfor\s<t::TestSuite::FSM>->\[push_push\]. }               ],
 [q|{switch} isa defined method, {namespace} eq (), argument is set|,
  [qw|                                                 pass noise |],
  sub {                                 undef, { namespace => '' } },
  [qw|                                                      darcs |],
  sub {                               @$bb{qw| MKS CS_RCS |}, @$rc },
  [qw|                           cvsnt darcs tturn sourceanywhere |],
  { noted =>             qr.(?xm)\[query_switch\]:\s
      going\sfor\s<t::TestSuite::FSM>->\[push_push\].              }  ],
 [                      q|{switch} !isa defined method, | .
                q|{namespace} isa (t::TestSuite::switch)|,
  [qw|                                fail noise noise |],
  sub {
      $switch = t::TestSuite::switch->new;
      undef $t::TestSuite::class_cheat;
                 q|hsup_hsup|, { namespace => $switch } },
  [                                                     ],
  qr.\Q <t::TestSuite::switch> can't [hsup_hsup] method .,
  { -misdefaulting =>  qr.(?xm)\[query_switch\]:\s
              defaulting\s\{switch\}\sto\s\x24self.,
    noted          =>  qr.(?xm)\[query_switch\]:\s
      \{namespace\}\sisa\s\(t::TestSuite::switch\).     }             ],
 [                        q|{switch} isa defined method, | .
                 q|{namespace} isa (t::TestSuite::switch)|,
  [qw|                                       pass noise |],
  sub {           q|push_push|, { namespace => $switch } },
  [                                                      ],
  sub {
      $switch->{jedi_vcs}, exists $switch->{gat}, exists $bb->{MKS},
        $rc                                              },
  [                          q|opencm|, '', '', q|tturn| ],
  { noted =>                qr.(?xm)\[query_switch\]:\s
      going\sfor\s<t::TestSuite::switch>->\[push_push\]. }            ],
 [                             q|{switch} isa defined method, | .
     q|{namespace} isa (t::TestSuite::switch), argument is set|,
  [qw|                                            pass noise |],
  sub {                       undef, { namespace => $switch } },
  [qw|                                serena_version_manager |],
  sub { @$switch{qw| jedi_vcs gat |}, exists $bb->{MKS}, @$rc },
  [qw| cvs serena_version_manager |, '', qw| tturn codeville |],
  { noted =>                qr.(?xm)\[query_switch\]:\s
      going\sfor\s<t::TestSuite::switch>->\[push_push\].      }       ],
 [                             q|{switch} !isa defined subroutine, | .
                            q|{namespace} eq (t::TestSuite::switch)|,
  [qw|                                           fail noise noise |],
  sub {     q|hsup_hsup|, { namespace => q|t::TestSuite::switch| } },
  [                                                                ],
                                        qr.(?xm)\[query_switch\]:\s
              <t::TestSuite::switch>\spackage\scan't\s\[hsup_hsup\].,
  { -misdefaulting =>
       qr.(?m)\Q[query_switch]: defaulting {switch} to \E\x24self.,
    scalar_noted   => qr.(?m)\Q[query_switch]: {namespace} isa (). }  ],
 [                          q|{switch} isa defined subroutine, | .
                        q|{namespace} eq (t::TestSuite::switch)|,
  [qw|                                             pass noise |],
  sub { q|push_push|, { namespace => q|t::TestSuite::switch| } },
  [                                                            ],
  sub {                $bb->{jedi_vcs}, exists $bb->{MKS}, $rc },
  [                               q|controltier|, '', q|tturn| ],
  { noted =>                qr.(?xm)\[query_switch\]:\s
      going\sfor\s<t::TestSuite::switch>::\[push_push\].       }      ],
 [                     q|{switch} isa defined subroutine, | .
  q|{namespace} eq (t::TestSuite::switch), argument is set|,
  [qw|                                        pass noise |],
  sub {   undef, { namespace => q|t::TestSuite::switch| } },
  [qw|                                              TLIB |],
  sub { @$bb{qw| jedi_vcs gat |}, exists $bb->{MKS}, @$rc },
  [qw|            rmtrcs TLIB |, '', qw| tturn ic_manage |],
  { noted =>                qr.(?xm)\[query_switch\]:\s
      going\sfor\s<t::TestSuite::switch>::\[push_push\].  }           ],
 [q|no turns, {switch} returns empty|,
  [qw|                        pass |],
  sub {                sub { }, { } },
  [                                 ],
  sub {                         $rc },
  [qw|                       uturn |]                                 ],
 [q|no turns, {switch} returns empty, argument is set|,
  [qw|                                         pass |],
  sub {                                 sub { }, { } },
  [qw|                                    clearcase |],
  sub {                                          $rc },
  [qw|                                        uturn |]                ],
 [q|no turns, {switch} returns explicit (undef)|,
  [qw|                                   pass |],
  sub {                     sub { undef }, { } },
  [                                            ],
  sub {                                    $rc },
  [qw|                                  uturn |]                      ],
 [q|no turns, {switch} returns explicit (undef), argument is set|,
  [qw|                                                    pass |],
  sub {                                      sub { undef }, { } },
  [qw|                                               clearcase |],
  sub {                                                     $rc },
  [qw|                                                   uturn |]     ],
 [q|no turns, {switch} returns empty string|,
  [qw|                               pass |],
  sub {                    sub { '' }, { } },
  [                                        ],
  sub {                                $rc },
  [qw|                              fturn |],                         ],
 [q|no turns, {switch} returns empty string, argument is set|,
  [qw|                                                pass |],
  sub {                                     sub { '' }, { } },
  [qw|                              team_foundation_server |],
  sub {                                                 $rc },
  [qw|                                               fturn |]         ],
 [q|no turns, {switch} returns nil|,
  [qw|                      pass |],
  sub {            sub { 0 }, { } },
  [                               ],
  sub {                       $rc },
  [qw|                     fturn |],                                  ],
 [q|no turns, {switch} returns nil, argument is set|,
  [qw|                                       pass |],
  sub {                             sub { 0 }, { } },
  [qw|                                     siveco |],
  sub {                                        $rc },
  [qw|                                      fturn |],                 ],
 [q|no turns, {switch} returns one item|,
  [qw|                           pass |],
  sub {        sub { q|opencvs| }, { } },
  [                                    ],
  sub {                            $rc },
  [qw|                          tturn |]                              ],
 [q|no turns, {switch} returns one item, argument is set|,
  [qw|                                            pass |],
  sub {                         sub { q|opencvs| }, { } },
  [qw|                                        Perforce |],
  sub {                                             $rc },
  [qw|                                           tturn |]             ],
 [       q|no turns, {switch} returns two items|,
  [qw|                                   pass |],
  sub { sub { qw| bitkeeper evolution | }, { } },
  [                                            ],
  sub {                                    $rc },
  [qw|                                  tturn |]                      ],
 [q|no turns, {switch} returns two items, argument is set|,
  [qw|                                             pass |],
  sub {           sub { qw| bitkeeper evolution | }, { } },
  [qw|                                             sccs |],
  sub {                                             @$rc },
  [qw|                                  tturn evolution |]            ],
 [                          q|{eturn}, {switch} returns empty|,
  [qw|                                                 pass |],
  sub { $st{START}{eturn} = [qw| START DONE |]; sub { }, { } },
  [                                                          ],
  sub {                                                  $rc },
  [qw|                                                uturn |]        ],
 [q|{eturn}, {switch} returns empty, argument is set|,
  [qw|                                        pass |],
  sub {                                sub { }, { } },
  [qw|                                   clearcase |],
  sub {                                         $rc },
  [qw|                                       uturn |]                 ],
 [q|{eturn}, {switch} returns explicit (undef)|,
  [qw|                                  pass |],
  sub {                    sub { undef }, { } },
  [                                           ],
  sub {                                   $rc },
  [qw|                                 uturn |]                       ],
 [q|{eturn}, {switch} returns explicit (undef), argument is set|,
  [qw|                                                   pass |],
  sub {                                     sub { undef }, { } },
  [qw|                                              clearcase |],
  sub {                                                    $rc },
  [qw|                                                  uturn |]      ],
 [q|{eturn}, {switch} returns empty string|,
  [qw|                              pass |],
  sub {                   sub { '' }, { } },
  [                                       ],
  sub {                               $rc },
  [qw|                             fturn |]                           ],
 [q|{eturn}, {switch} returns empty string, argument is set|,
  [qw|                                               pass |],
  sub {                                    sub { '' }, { } },
  [qw|                             team_foundation_server |],
  sub {                                                $rc },
  [qw|                                              fturn |]          ],
 [q|{eturn}, {switch} returns nil|,
  [qw|                     pass |],
  sub {           sub { 0 }, { } },
  [                              ],
  sub {                      $rc },
  [qw|                    fturn |]                                    ],
 [q|{eturn}, {switch} returns nil, argument is set|,
  [qw|                                      pass |],
  sub {                            sub { 0 }, { } },
  [qw|                                    siveco |],
  sub {                                       $rc },
  [qw|                                     fturn |]                   ],
 [q|{eturn}, {switch} returns one item|,
  [qw|                          pass |],
  sub {       sub { q|opencvs| }, { } },
  [                                   ],
  sub {                           $rc },
  [qw|                         tturn |]                               ],
 [q|{eturn}, {switch} returns one item, argument is set|,
  [qw|                                           pass |],
  sub {                        sub { q|opencvs| }, { } },
  [qw|                                       Perforce |],
  sub {                                            $rc },
  [qw|                                          tturn |]              ],
 [        q|{eturn}, {switch} returns two items|,
  [qw|                                   pass |],
  sub { sub { qw| bitkeeper evolution | }, { } },
  [                                            ],
  sub {                                    $rc },
  [qw|                                  tturn |]                      ],
 [q|{eturn}, {switch} returns two items, argument is set|,
  [qw|                                            pass |],
  sub {          sub { qw| bitkeeper evolution | }, { } },
  [qw|                                            sccs |],
  sub {                                            @$rc },
  [qw|                                 tturn evolution |]             ],
 [
  q|{uturn}, {switch} returns empty|,
  [qw|                       pass |],
  sub {
      delete $st{START}{eturn};
      $st{START}{uturn} = [qw| START DONE |]; 
                      sub { }, { } },
  [                                ],
  sub {                        $rc },
  [qw|                      uturn |]                                  ],
 [q|{uturn}, {switch} returns empty, argument is set|,
  [qw|                                        pass |],
  sub {                                sub { }, { } },
  [qw|                                   clearcase |],
  sub {                                         $rc },
  [qw|                                       uturn |]                 ],
 [q|{uturn}, {switch} returns empty, explicit (undef)|,
  [qw|                                         pass |],
  sub {                           sub { undef }, { } },
  [                                                  ],
  sub {                                          $rc },
  [qw|                                        uturn |]                ],
 [q|{uturn}, {switch} returns explicit (undef), argument is set|,
  [qw|                                                   pass |],
  sub {                                     sub { undef }, { } },
  [qw|                                              clearcase |],
  sub {                                                    $rc },
  [qw|                                                  uturn |]      ],
 [q|{uturn}, {switch} returns empty string|,
  [qw|                              pass |],
  sub {                   sub { '' }, { } },
  [                                       ],
  sub {                               $rc },
  [qw|                             fturn |]                           ],
 [q|{uturn}, {switch} returns empty string, argument is set|,
  [qw|                                               pass |],
  sub {                                    sub { '' }, { } },
  [qw|                             team_foundation_server |],
  sub {                                                $rc },
  [qw|                                              fturn |]          ],
 [q|{uturn}, {switch} returns nil|,
  [qw|                     pass |],
  sub {           sub { 0 }, { } },
  [                              ],
  sub {                      $rc },
  [qw|                    fturn |]                                    ],
 [q|{uturn}, {switch} returns nil, argument is set|,
  [qw|                                      pass |],
  sub {                            sub { 0 }, { } },
  [qw|                                    siveco |],
  sub {                                       $rc },
  [qw|                                     fturn |]                   ],
 [q|{uturn}, {switch} returns one item|,
  [qw|                          pass |],
  sub {       sub { q|opencvs| }, { } },
  [                                   ],
  sub {                           $rc },
  [qw|                         tturn |]                               ],
 [q|{uturn}, {switch} returns one item, argument is set|,
  [qw|                                           pass |],
  sub {                        sub { q|opencvs| }, { } },
  [qw|                                       Perforce |],
  sub {                                            $rc },
  [qw|                                          tturn |]              ],
 [        q|{uturn}, {switch} returns two items|,
  [qw|                                   pass |],
  sub { sub { qw| bitkeeper evolution | }, { } },
  [                                            ],
  sub {                                    $rc },
  [qw|                                  tturn |]                      ],
 [q|{uturn}, {switch} returns two items, argument is set|,
  [qw|                                            pass |],
  sub {          sub { qw| bitkeeper evolution | }, { } },
  [qw|                                            sccs |],
  sub {                                            @$rc },
  [qw|                                 tturn evolution |]             ],
 [q|{tturn}, {switch} returns empty|,
  [qw|                       pass |],
  sub {
      delete $st{START}{uturn};
      $st{START}{tturn} = [qw| START DONE |];
                      sub { }, { } },
  [                                ],
  sub {                        $rc },
  [qw|                      uturn |]                                  ],
 [q|{tturn}, {switch} returns empty, argument is set|,
  [qw|                                        pass |],
  sub {                                sub { }, { } },
  [qw|                                   clearcase |],
  sub {                                         $rc },
  [qw|                                       uturn |]                 ],
 [q|{tturn}, {switch} returns explicit (undef)|,
  [qw|                                  pass |],
  sub {                    sub { undef }, { } },
  [                                           ],
  sub {                                   $rc },
  [qw|                                 uturn |]                       ],
 [q|{tturn}, {switch} returns explicit (undef), argument is set|,
  [qw|                                                   pass |],
  sub {                                     sub { undef }, { } },
  [qw|                                              clearcase |],
  sub {                                                    $rc },
  [qw|                                                  uturn |]      ],
 [q|{tturn}, {switch} returns empty string|,
  [qw|                              pass |],
  sub {                   sub { '' }, { } },
  [                                       ],
  sub {                               $rc },
  [qw|                             fturn |]                           ],
 [q|{tturn}, {switch} returns empty string, argument is set|,
  [qw|                                               pass |],
  sub {                                    sub { '' }, { } },
  [qw|                             team_foundation_server |],
  sub {                                                $rc },
  [qw|                                              fturn |]          ],
 [q|{tturn}, {switch} returns nil|,
  [qw|                     pass |],
  sub {           sub { 0 }, { } },
  [                              ],
  sub {                      $rc },
  [qw|                    fturn |]                                    ],
 [q|{tturn}, {switch} returns nil, argument is set|,
  [qw|                                      pass |],
  sub {                            sub { 0 }, { } },
  [qw|                                    siveco |],
  sub {                                       $rc },
  [qw|                                     fturn |]                   ],
 [q|{tturn}, {switch} returns one item|,
  [qw|                          pass |],
  sub {       sub { q|opencvs| }, { } },
  [                                   ],
  sub {                           $rc },
  [qw|                         tturn |]                               ],
 [q|{tturn}, {switch} returns one item, argument is set|,
  [qw|                                           pass |],
  sub {                        sub { q|opencvs| }, { } },
  [qw|                                       Perforce |],
  sub {                                            $rc },
  [qw|                                          tturn |]              ],
 [        q|{tturn}, {switch} returns two items|,
  [qw|                                   pass |],
  sub { sub { qw| bitkeeper evolution | }, { } },
  [                                            ],
  sub {                                    $rc },
  [qw|                                  tturn |]                      ],
 [q|{tturn}, {switch} returns two items, argument is set|,
  [qw|                                            pass |],
  sub {          sub { qw| bitkeeper evolution | }, { } },
  [qw|                                            sccs |],
  sub {                                            @$rc },
  [qw|                                 tturn evolution |]             ],
 [q|{fturn}, {switch} returns empty|,
  [qw|                       pass |],
  sub {
      delete $st{START}{tturn};
      $st{START}{fturn} = [qw| START DONE |];
      sub { }, { }                 },
  [                                ],
  sub {                        $rc },
  [qw|                      uturn |]                                  ],
 [q|{fturn}, {switch} returns empty, argument is set|,
  [qw|                                        pass |],
  sub {                                sub { }, { } },
  [qw|                                   clearcase |],
  sub {                                         $rc },
  [qw|                                       uturn |]                 ],
 [q|{fturn}, {switch} returns explicit (undef)|,
  [qw|                                  pass |],
  sub {                    sub { undef }, { } },
  [                                           ],
  sub {                                   $rc },
  [qw|                                 uturn |]                       ],
 [q|{fturn}, {switch} returns explicit (undef), argument is set|,
  [qw|                                                   pass |],
  sub {                                     sub { undef }, { } },
  [qw|                                              clearcase |],
  sub {                                                    $rc },
  [qw|                                                  uturn |]      ],
 [q|{fturn}, {switch} returns empty string|,
  [qw|                              pass |],
  sub {                   sub { '' }, { } },
  [                                       ],
  sub {                               $rc },
  [qw|                             fturn |]                           ],
 [q|{fturn}, {switch} returns empty string, argument is set|,
  [qw|                                               pass |],
  sub {                                    sub { '' }, { } },
  [qw|                             team_foundation_server |],
  sub {                                                $rc },
  [qw|                                              fturn |]          ],
 [q|{fturn}, {switch} returns nil|,
  [qw|                     pass |],
  sub {           sub { 0 }, { } },
  [                              ],
  sub {                      $rc },
  [qw|                    fturn |]                                    ],
 [q|{fturn}, {switch} returns nil, argument is set|,
  [qw|                                      pass |],
  sub {                            sub { 0 }, { } },
  [qw|                                    siveco |],
  sub {                                       $rc },
  [qw|                                     fturn |]                   ],
 [q|{fturn}, {switch} returns one item|,
  [qw|                          pass |],
  sub {       sub { q|opencvs| }, { } },
  [                                   ],
  sub {                           $rc },
  [qw|                         tturn |]                               ],
 [q|{fturn}, {switch} returns one item, argument is set|,
  [qw|                                           pass |],
  sub {                        sub { q|opencvs| }, { } },
  [qw|                                       Perforce |],
  sub {                                            $rc },
  [qw|                                          tturn |]              ],
 [        q|{fturn}, {switch} returns two items|,
  [qw|                                   pass |],
  sub { sub { qw| bitkeeper evolution | }, { } },
  [                                            ],
  sub {                                    $rc },
  [qw|                                  tturn |]                      ],
 [q|{fturn}, {switch} returns two items, argument is set|,
  [qw|                                            pass |],
  sub {          sub { qw| bitkeeper evolution | }, { } },
  [qw|                                            sccs |],
  sub {                                            @$rc },
  [qw|                                 tturn evolution |]             ],
 [q|{turns}, {switch} returns empty|,
  [qw|                       pass |],
  sub {
      delete $st{START}{fturn};
      $st{START}{turns} = { cogito => [qw| START DONE |] };
                      sub { }, { } },
  [                                ],
  sub {                        $rc },
  [qw|                      uturn |]                                  ],
 [q|{turns}, {switch} returns empty, argument is set|,
  [qw|                                        pass |],
  sub {                                sub { }, { } },
  [qw|                                   clearcase |],
  sub {                                         $rc },
  [qw|                                       uturn |]                 ],
 [q|{turns}, {switch} returns explicit (undef)|,
  [qw|                                  pass |],
  sub {                    sub { undef }, { } },
  [                                           ],
  sub {                                   $rc },
  [qw|                                 uturn |]                       ],
 [q|{turns}, {switch} returns explicit (undef), argument is set|,
  [qw|                                                   pass |],
  sub {                                     sub { undef }, { } },
  [qw|                                              clearcase |],
  sub {                                                    $rc },
  [qw|                                                  uturn |]      ],
 [q|{turns}, {switch} returns empty string|,
  [qw|                              pass |],
  sub {                   sub { '' }, { } },
  [                                       ],
  sub {                               $rc },
  [qw|                             turn% |],                          ],
 [q|{turns}, {switch} returns empty string, argument is set|,
  [qw|                                               pass |],
  sub {                                    sub { '' }, { } },
  [qw|                             team_foundation_server |],
  sub {                                                $rc },
  [qw|                                              turn% |]          ],
 [q|{turns}, {switch} returns nil|,
  [qw|                     pass |],
  sub {           sub { 0 }, { } },
  [                              ],
  sub {                      $rc },
  [qw|                   turn%0 |]                                    ],
 [q|{turns}, {switch} returns nil, argument is set|,
  [qw|                                      pass |],
  sub {                            sub { 0 }, { } },
  [qw|                                    siveco |],
  sub {                                       $rc },
  [qw|                                    turn%0 |]                   ],
 [q|{turns}, {switch} returns one item|,
  [qw|                          pass |],
  sub {       sub { q|opencvs| }, { } },
  [                                   ],
  sub {                           $rc },
  [qw|                  turn%opencvs |]                               ],
 [q|{turns}, {switch} returns one item, argument is set|,
  [qw|                                           pass |],
  sub {                        sub { q|opencvs| }, { } },
  [qw|                                       Perforce |],
  sub {                                            $rc },
  [qw|                                   turn%opencvs |]              ],
 [        q|{turns}, {switch} returns two items|,
  [qw|                                   pass |],
  sub { sub { qw| bitkeeper evolution | }, { } },
  [                                            ],
  sub {                                    $rc },
  [qw|                         turn%bitkeeper |]                      ],
 [q|{turns}, {switch} returns two items, argument is set|,
  [qw|                                            pass |],
  sub {          sub { qw| bitkeeper evolution | }, { } },
  [qw|                                            sccs |],
  sub {                                            @$rc },
  [qw|                        turn%bitkeeper evolution |]             ] );

plan tests => sum map          {
  ( grep( $_ eq q|pass|, @$_ ) ? 1 :
    grep( $_ eq q|fail|, @$_ ) ? 1 : 0 ) +
    grep( $_ eq q|noise|, @$_ ) }
    map {               $_->[1] } @data;

foreach my $unit ( @data )                      {
    my( $lfix, $rfix ) = $unit->[2]->();



( run in 1.638 second using v1.01-cache-2.11-cpan-d80b1682f3f )