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use Sub::Install qw(reinstall_sub);
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use Test::More tests => 15;
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use strict;
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use warnings;
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# These tests largely copied from Damian Conway's Sub::Installer tests.
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{ # Install a sub in a package...
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my $sub_ref = reinstall_sub({ code => \&ok, as => 'ok1' });
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isa_ok($sub_ref, 'CODE', 'return value of first install_sub');
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is_deeply($sub_ref, \&Test::More::ok, 'it returned the right coderef');
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$sub_ref->(1, 'returned code ref runs');
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ok1(1, "reinstalled sub runs");
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}
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{
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my $to_avail = eval "use Test::Output; 1";
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SKIP: {
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skip "can't run this test without Test::Output", 1 unless $to_avail;
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Sub::Install::reinstall_sub({ code => \&ok, as => 'tmp_ok' });
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my $expected_warning = <<'END_WARNING';
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Prototype mismatch: sub main::tmp_ok ($;$) vs ($$;$) at t/reinstall.t line 32
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END_WARNING
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my $stderr = Test::Output::stderr_from(
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sub { Sub::Install::reinstall_sub({ code => \&is, as => 'tmp_ok' }) }
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);
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$stderr =~ s!\\!/!g;
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$stderr =~ s!\.$!!g;
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is(
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$stderr,
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$expected_warning,
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"got expected warning",
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);
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}
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}
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{ # Install the same sub in the same package...
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my $proto = 0;
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local $SIG{__WARN__} = sub {
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return ($proto = 1) if $_[0] =~ m{Prototype mismatch.+t.reinstall\.t};
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die "unexpected warning: @_";
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};
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my $sub_ref = reinstall_sub({ code => \&is, as => 'ok1' });
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ok($proto, 'correct warning went to $SIG{__WARN__}');
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isa_ok($sub_ref, 'CODE', 'return value of second install_sub');
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is_deeply($sub_ref, \&Test::More::is, 'it returned the right coderef');
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$sub_ref->(1, 1, 'returned code ref runs');
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ok1(1,1, 'reinstalled sub reruns');
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}
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{ # Install in another package...
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my $new_code = sub { ok(1, "remotely installed sub runs") };
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my $sub_ref = reinstall_sub({
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code => $new_code,
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into => 'Other',
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as => 'ok1',
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});
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isa_ok($sub_ref, 'CODE', 'return value of third install_sub');
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is_deeply($sub_ref, $new_code, 'it returned the right coderef');
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ok1(1,1, 'reinstalled sub reruns');
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package Other;
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ok1();
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}
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eval {
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my $arg = { code => sub {}, into => 'Other', as => 'ok1' };
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Sub::Install::_build_public_installer(\&Sub::Install::_install_fatal)->($arg);
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};
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like($@, qr/redefine/, "(experimental fatal installer should croak)");
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