Improve text of ro/wo violation exceptions

[p5sagit/Class-Accessor-Grouped.git] / t / accessors.t

use Test::More tests => 137;
use strict;
use warnings;
use lib 't/lib';
use B qw/svref_2object/;

# we test the pure-perl versions only, but allow overrides
# from the accessor_xs test-umbrella
# Also make sure a rogue envvar will not interfere with
# things
my $use_xs;
BEGIN {
  $Class::Accessor::Grouped::USE_XS = 0
    unless defined $Class::Accessor::Grouped::USE_XS;
  $ENV{CAG_USE_XS} = 1;
  $use_xs = $Class::Accessor::Grouped::USE_XS;
};

use AccessorGroupsSubclass;

{
  my $obj = AccessorGroupsSubclass->new;
  my $class = ref $obj;
  my $name = 'multiple1';
  my $alias = "_${name}_accessor";

  my $warned = 0;
  local $SIG{__WARN__} = sub {
    if  (shift =~ /DESTROY/i) {
      $warned++;
    };
  };

  no warnings qw/once/;
  local *AccessorGroupsSubclass::DESTROY = sub {};

  $class->mk_group_accessors('warnings', 'DESTROY');
  ok($warned);
};

my $obj = AccessorGroupsSubclass->new;

my $test_accessors = {
  singlefield => {
    is_xs => $use_xs,
    has_extra => 1,
  },
  runtime_around => {
    # even though this accessor is simple it will *not* be XSified
    # due to the runtime 'around'
    is_xs => 0,
    has_extra => 1,
  },
  multiple1 => {
  },
  multiple2 => {
  },
  lr1name => {
    custom_field => 'lr1;field',
  },
  lr2name => {
    custom_field => "lr2'field",
  },
  fieldname_torture => {
    custom_field => join ('', map { chr($_) } (0..255) ),
    is_xs => $use_xs,
  },
};

for my $name (sort keys %$test_accessors) {
  my $alias = "_${name}_accessor";
  my $field = $test_accessors->{$name}{custom_field} || $name;
  my $extra = $test_accessors->{$name}{has_extra};

  can_ok($obj, $name, $alias);
  ok(!$obj->can($field))
    if $field ne $name;

  for my $meth ($name, $alias) {
    my $cv = svref_2object( $obj->can($meth) );
    is($cv->GV->NAME, $meth, "$meth accessor is named");
    is($cv->GV->STASH->NAME, 'AccessorGroups', "$meth class correct");
  }

  is($obj->$name, undef);
  is($obj->$alias, undef);

  # get/set via name
  is($obj->$name('a'), 'a');
  is($obj->$name, 'a');
  is($obj->{$field}, $extra ? 'a Extra tackled on' : 'a');

  # alias gets same as name
  is($obj->$alias, 'a');

  # get/set via alias
  is($obj->$alias('b'), 'b');
  is($obj->$alias, 'b');
  is($obj->{$field}, $extra ? 'b Extra tackled on' : 'b');

  # alias gets same as name
  is($obj->$name, 'b');

  for my $meth ($name, $alias) {
    my $cv = svref_2object( $obj->can($meth) );
    is($cv->GV->NAME, $meth, "$meth accessor is named after operations");
    is(
      $cv->GV->STASH->NAME,
      # XS lazyinstalls install into each caller, not into the original parent
      $test_accessors->{$name}{is_xs} ? 'AccessorGroupsSubclass' :'AccessorGroups',
      "$meth class correct after operations",
    );
  }
};

# important
1;