1 # -*-Perl-*- Test Harness script for Bioperl
10 test_begin(-tests => 45);
12 use_ok('Bio::SeqFeature::Generic');
15 my @funcs = qw(start end length strand overlaps contains
16 equals intersection union overlap_extent disconnected_ranges
17 offsetStranded subtract);
20 while (my $func = shift @funcs ) {
23 # test for presence of method
24 ok exists $Bio::RangeI::{$func};
26 # union get caught in an infinite loop w/o parameters; skip invoke test.
27 next if $func eq 'union';
29 # call to strand complains without a value; skip invoke test.
30 next if $func eq 'disconnected_ranges';
32 # test invocation of method
33 eval { $Bio::RangeI::{$func}->(); };
37 ### unit tests for subtract method ###
38 # contributed by Stephen Montgomery (sm8 at sanger.ac.uk), who also
39 # wrote the subtract method
40 my $feature1 = Bio::SeqFeature::Generic->new( -start => 1, -end =>
42 my $feature2 = Bio::SeqFeature::Generic->new( -start => 100, -end =>
45 my $subtracted = $feature1->subtract($feature2);
46 ok(defined($subtracted));
47 is(scalar(@$subtracted), 2);
48 foreach my $range (@$subtracted) {
49 ok($range->start == 1 || $range->start == 901);
50 ok($range->end == 99 || $range->end == 1000);
53 $subtracted = $feature2->subtract($feature1);
54 ok(!defined($subtracted));
55 $subtracted = $feature1->subtract($feature2, 'weak');
56 ok(!defined($subtracted));
57 $subtracted = $feature1->subtract($feature2, 'strong');
58 ok(!defined($subtracted));
60 my $feature3 = Bio::SeqFeature::Generic->new( -start => 500, -end =>
62 $subtracted = $feature1->subtract($feature3);
63 ok(defined($subtracted));
64 is scalar(@$subtracted), 1;
65 my $subtracted_i = @$subtracted[0];
66 is($subtracted_i->start, 1);
67 is($subtracted_i->end, 499);
71 # Added Bio::Location::SplitLocationI support to subtract(). --jhannah 20091018
72 $feature1 = Bio::SeqFeature::Generic->new();
73 $feature2 = Bio::SeqFeature::Generic->new();
74 my $loc = Bio::Location::Split->new();
75 $loc->add_sub_Location(Bio::Location::Simple->new(-start=>100, -end=>200, -strand=>1));
76 $loc->add_sub_Location(Bio::Location::Simple->new(-start=>300, -end=>400, -strand=>1));
77 $loc->add_sub_Location(Bio::Location::Simple->new(-start=>500, -end=>600, -strand=>1));
78 $feature1->location($loc);
79 $loc = Bio::Location::Split->new();
80 $loc->add_sub_Location(Bio::Location::Simple->new(-start=>350, -end=>400, -strand=>1));
81 $loc->add_sub_Location(Bio::Location::Simple->new(-start=>500, -end=>510, -strand=>1));
82 $feature2->location($loc);
83 $subtracted = $feature1->subtract($feature2);
84 is(@$subtracted, 3, "subtract() of split features");
85 is($subtracted->[0]->start, 100, " 0 start");
86 is($subtracted->[0]->end, 200, " 0 end");
87 is($subtracted->[1]->start, 300, " 1 start");
88 is($subtracted->[1]->end, 349, " 1 end");
89 is($subtracted->[2]->start, 511, " 2 start");
90 is($subtracted->[2]->end, 600, " 2 end");