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|
use strict;
use warnings;
use B;
use Test::Stream;
use Test::MostlyLike;
use Test::More tests => 3;
use Test::Builder; # Not loaded by default in modern mode
my $orig = Test::Builder->can('note');
{
package MyModernTester;
use Test::More;
use Test::Stream;
use Test::MostlyLike;
no warnings 'redefine';
local *Test::Builder::note = sub {
my $self = shift;
return $self->$orig(__PACKAGE__ . ": ", @_);
};
use warnings;
my $file = __FILE__;
# Line number is tricky, just use what B says The sub may not actually think it
# is on the line it is may be off by 1.
my $line = B::svref_2object(\&Test::Builder::note)->START->line;
my @warnings;
{
local $SIG{__WARN__} = sub { push @warnings => @_ };
note('first');
note('seconds');
}
mostly_like(
\@warnings,
[
qr{The new sub is 'MyModernTester::__ANON__' defined in \Q$file\E around line $line},
undef, #Only 1 warning
],
"Found expected warning, just the one"
);
}
{
package MyModernTester2;
use Test::More;
use Test::Stream;
use Test::MostlyLike;
no warnings 'redefine';
local *Test::Builder::note = sub {
my $self = shift;
return $self->$orig(__PACKAGE__ . ": ", @_);
};
use warnings;
my $file = __FILE__;
# Line number is tricky, just use what B says The sub may not actually think it
# is on the line it is may be off by 1.
my $line = B::svref_2object(\&Test::Builder::note)->START->line;
my @warnings;
{
local $SIG{__WARN__} = sub { push @warnings => @_ };
note('first');
note('seconds');
}
mostly_like(
\@warnings,
[
qr{The new sub is 'MyModernTester2::__ANON__' defined in \Q$file\E around line $line},
undef, #Only 1 warning
],
"new override, new warning"
);
}
{
package MyLegacyTester;
use Test::More;
no warnings 'redefine';
local *Test::Builder::note = sub {
my $self = shift;
return $self->$orig(__PACKAGE__ . ": ", @_);
};
use warnings;
my @warnings;
{
local $SIG{__WARN__} = sub { push @warnings => @_ };
note('first');
note('seconds');
}
is(@warnings, 0, "no warnings for a legacy tester");
}
|
