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#!/usr/bin/perl -w
use strict;
use Test::More;
plan 'no_plan';
sub list_return {
return if @_;
return qw(foo bar baz);
}
sub list_return2 {
return if @_;
return qw(foo bar baz);
}
# Returns a list presented to it, but also returns a single
# undef if given a list of a single undef. This mimics the
# behaviour of many user-defined subs and built-ins (eg: open) that
# always return undef regardless of context.
sub list_mirror {
return undef if (@_ == 1 and not defined $_[0]);
return @_;
}
use Fatal qw(list_return);
use Fatal qw(:void list_return2);
TODO: {
# Clobbering context was documented as a bug in the original
# Fatal, so we'll still consider it a bug here.
local $TODO = "Fatal clobbers context, just like it always has.";
my @list = list_return();
is_deeply(\@list,[qw(foo bar baz)],'fatal sub works in list context');
}
eval {
my @line = list_return(1); # Should die
};
ok($@,"List return fatalised");
### Tests where we've fatalised our function with :void ###
my @list2 = list_return2();
is_deeply(\@list2,[qw(foo bar baz)],'fatal sub works in list context');
eval {
my @line = list_return2(1); # Shouldn't die
};
ok(! $@,"void List return fatalised survives when non-void");
eval {
list_return2(1);
};
ok($@,"void List return fatalised");
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