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use Test2::V0;
BEGIN {
$ENV{PERL_ASSERT_ENABLED} = !!0
}
use Syntax::Keyword::Assert;
subtest 'Test `assert` keyword when $ENV{PERL_ASSERT_ENABLED} is falsy' => sub {
ok lives {
assert( 0 );
};
ok lives {
assert( 1 );
};
my $hello = sub {
my ($message) = @_;
assert( defined $message );
return "Hello, $message!";
};
ok lives {
$hello->('world');
};
like warning {
$hello->(undef);
}, qr/\AUse of uninitialized value \$message in concatenation/;
};
done_testing;
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