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t/11-existing.t  view on Meta::CPAN

#!perl

use strict;
use warnings;

use blib 't/Sub-Op-LexicalSub';

use Test::More tests => 2 * ((2 + 2) * 4 + (1 + 2) * 5) + 2 * (2 + 2) + 4;

our $call_foo;
sub foo { ok $call_foo, 'the preexistent foo was called' }

our $call_bar;
sub bar () { ok $call_bar, 'the preexistent bar was called' }

sub X () { 1 }

our $call_blech;
sub blech { ok $call_blech, 'initial blech was called' };

our $called;

{
 local $/ = "####\n";
 while (<DATA>) {
  chomp;
  s/\s*$//;

  my ($code, $params)           = split /----\s*/, $_;
  my ($names, $ret, $exp, $seq) = split /\s*#\s*/, $params;

  my @names = split /\s*,\s*/, $names;

  my @exp = eval $exp;
  if ($@) {
   fail "@names: unable to get expected values: $@";
   next;
  }
  my $calls = @exp;

  my @seq;
  if ($seq) {
   s/^\s*//, s/\s*$//  for $seq;
   @seq = split /\s*,\s*/, $seq;
   die "calls and seq length mismatch" unless @seq == $calls;
  } else {
   @seq = ($names[0]) x $calls;
  }

  my $test = "{\n{\n";
  for my $name (@names) {
   $test .= <<"   INIT"
    use Sub::Op::LexicalSub $name => sub {
     ++\$called;
     my \$exp = shift \@exp;
     is_deeply \\\@_, \$exp,   '$name: arguments are correct';
     my \$seq = shift \@seq;
     is        \$seq, '$name', '$name: sequence is correct';
     $ret;
    };
   INIT
  }
  $test .= "{\n$code\n}\n";
  $test .= "}\n";
  for my $name (grep +{ map +($_, 1), qw/foo bar blech/ }->{ $_ }, @names) {
   $test .= <<"   CHECK_SUB"
    {
     local \$call_$name = 1;
     $name();
    }
   CHECK_SUB
  }
  $test .= "}\n";

  local $called = 0;
  eval $test;