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use Sub::Install qw(install_sub);
use Test::More 'no_plan';
use strict;
use warnings;
{ # you have to install /something/!
eval { install_sub({ into => "Doesn't::Matter" }); };
like($@, qr/code.+not optional/, "you must supply something to install");
}
{ # you can't just make names up and expect Sub::Install to know what you mean
eval { install_sub({ code => 'none_such', into => 'Whatever' }); };
like($@, qr/couldn't find subroutine/, "error on unfound sub name");
}
{ # can't install anonymous subs without a name
eval { install_sub({ code => sub { return 1; } }); };
like($@, qr/couldn't determine name/, "anon subs need names to install");
}
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