die.t

UNIX下perl实现代码

#!./perl

print "1..10\n";

$SIG{__DIE__} = sub { print ref($_[0]) ? ("ok ",$_[0]->[0]++,"\n") : @_ } ;

$err = "#[\000]\nok 1\n";
eval {
    die $err;
};

print "not " unless $@ eq $err;
print "ok 2\n";

$x = [3];
eval { die $x; };

print "not " unless $x->[0] == 4;
print "ok 4\n";

eval {
    eval {
	die [ 5 ];
    };
    die if $@;
};

eval {
    eval {
	die bless [ 7 ], "Error";
    };
    die if $@;
};

print "not " unless ref($@) eq "Out";
print "ok 10\n";

package Error;

sub PROPAGATE {
    print "ok ",$_[0]->[0]++,"\n";
    bless [$_[0]->[0]], "Out";
}