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#!/usr/bin/perl
use strict;
use warnings;
use Test::More tests => 27;
BEGIN { use_ok('li_constraints') }
require_ok('li_constraints');
sub check_double {
my ($except, $func, $name, $val) = @_;
my $fname = "li_constraints::test_$name";
$fname =~ s/-//;
my $actual = eval { $func->($val); 1; };
my $err = $@;
$actual = 0 unless defined $actual;
if($actual) {
is($actual, $except, "$fname pass with $val");
} else {
is($actual, $except, "$fname throw exception with $val");
ok($err =~ "^ValueError Expected a $name value.", "$fname throw proper exception");
}
}
my $nonnegative = sub { li_constraints::test_nonnegative(shift); };
check_double(1, $nonnegative, "non-negative", 10);
check_double(1, $nonnegative, "non-negative", 0);
check_double(0, $nonnegative, "non-negative", -10);
my $nonpositive = sub { li_constraints::test_nonpositive(shift); };
check_double(0, $nonpositive, "non-positive", 10);
check_double(1, $nonpositive, "non-positive", 0);
check_double(1, $nonpositive, "non-positive", -10);
my $positive = sub { li_constraints::test_positive(shift); };
check_double(1, $positive, "positive", 10);
check_double(0, $positive, "positive", 0);
check_double(0, $positive, "positive", -10);
my $negative = sub { li_constraints::test_negative(shift); };
check_double(0, $negative, "negative", 10);
check_double(0, $negative, "negative", 0);
check_double(1, $negative, "negative", -10);
my $nonzero = sub { li_constraints::test_nonzero(shift); };
check_double(1, $nonzero, "nonzero", 10);
check_double(0, $nonzero, "nonzero", 0);
check_double(1, $nonzero, "nonzero", -10);
# Pass null value
my $ret = eval { li_constraints::test_nonnull(undef); 1; };
my $err = $@;
is($ret, undef, "li_constraints::test_nonnull throw exception with null");
ok($err =~ "^ValueError Received a NULL pointer.", "li_constraints::test_nonnull throw proper exception");
my $ptr = li_constraints::get_nonnull();
# There should be no exception, we can use Perl lambda function
$ret = (sub { li_constraints::test_nonnull($ptr); 1; })->();
is($ret, 1, "li_constraints::test_nonnull pass with non null value");
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