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use 5.014;
use Test::More;
use Object::Result;
use Carp;
sub is_ex (&$$$) {
my ($block, $expected_err, $line, $desc) = @_;
my $file = (caller 0)[1];
is eval{ $block->(); }, undef() => "$desc (threw exception)";
like $@, qr{\Q$expected_err\E} => "$desc (right error message)";
like $@, qr{at $file line $line} => "$desc (right error location)";
}
sub code { return 'subroutine' }
sub get_result {
result {
<BOOL> { return 0 }
<SUB> { return \&code }
<DEFAULT> ($what, $where) { croak "Can't use result of $where as $what" }
};
}
my $call_desc = 'call to main::get_result() at '.__FILE__.' line '.__LINE__; my $result = get_result();
ok !$result => 'Boolean coercion';
is $result->(), code() => 'Code deref';
is_ex { ${$result} } "Can't use result of $call_desc as <SCALAR>" => __LINE__, 'No <SCALAR>';
is_ex { \@{$result} } "Can't use result of $call_desc as <ARRAY>" => __LINE__, 'No <ARRAY>';
is_ex { \%{$result} } "Can't use result of $call_desc as <HASH>" => __LINE__, 'No <HASH>';
is_ex { "" =~ $result } "Can't use result of $call_desc as <REGEXP>" => __LINE__, 'No <REGEXP>';
is_ex { *{$result} } "Can't use result of $call_desc as <GLOB>" => __LINE__, 'No <GLOB>';
is_ex { $result + 1 } "Can't use result of $call_desc as <NUM>" => __LINE__, 'No <NUM>';
is_ex { int($result) } "Can't use result of $call_desc as <INT>" => __LINE__, 'No <INT>';
is_ex { "$result" } "Can't use result of $call_desc as <STR>" => __LINE__, 'No <STR>';
done_testing();
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