xref: /openbsd/gnu/usr.bin/perl/t/op/range.t (revision 7b36286a)
1#!./perl
2
3BEGIN {
4    chdir 't' if -d 't';
5    @INC = '../lib';
6}
7
8use Config;
9
10print "1..45\n";
11
12print join(':',1..5) eq '1:2:3:4:5' ? "ok 1\n" : "not ok 1\n";
13
14@foo = (1,2,3,4,5,6,7,8,9);
15@foo[2..4] = ('c','d','e');
16
17print join(':',@foo[$foo[0]..5]) eq '2:c:d:e:6' ? "ok 2\n" : "not ok 2\n";
18
19@bar[2..4] = ('c','d','e');
20print join(':',@bar[1..5]) eq ':c:d:e:' ? "ok 3\n" : "not ok 3\n";
21
22($a,@bcd[0..2],$e) = ('a','b','c','d','e');
23print join(':',$a,@bcd[0..2],$e) eq 'a:b:c:d:e' ? "ok 4\n" : "not ok 4\n";
24
25$x = 0;
26for (1..100) {
27    $x += $_;
28}
29print $x == 5050 ? "ok 5\n" : "not ok 5 $x\n";
30
31$x = 0;
32for ((100,2..99,1)) {
33    $x += $_;
34}
35print $x == 5050 ? "ok 6\n" : "not ok 6 $x\n";
36
37$x = join('','a'..'z');
38print $x eq 'abcdefghijklmnopqrstuvwxyz' ? "ok 7\n" : "not ok 7 $x\n";
39
40@x = 'A'..'ZZ';
41print @x == 27 * 26 ? "ok 8\n" : "not ok 8\n";
42
43@x = '09' .. '08';  # should produce '09', '10',... '99' (strange but true)
44print "not " unless join(",", @x) eq
45                    join(",", map {sprintf "%02d",$_} 9..99);
46print "ok 9\n";
47
48# same test with foreach (which is a separate implementation)
49@y = ();
50foreach ('09'..'08') {
51    push(@y, $_);
52}
53print "not " unless join(",", @y) eq join(",", @x);
54print "ok 10\n";
55
56# check bounds
57if ($Config{ivsize} == 8) {
58  @a = eval "0x7ffffffffffffffe..0x7fffffffffffffff";
59  $a = "9223372036854775806 9223372036854775807";
60  @b = eval "-0x7fffffffffffffff..-0x7ffffffffffffffe";
61  $b = "-9223372036854775807 -9223372036854775806";
62}
63else {
64  @a = eval "0x7ffffffe..0x7fffffff";
65  $a = "2147483646 2147483647";
66  @b = eval "-0x7fffffff..-0x7ffffffe";
67  $b = "-2147483647 -2147483646";
68}
69
70print "not " unless "@a" eq $a;
71print "ok 11\n";
72
73print "not " unless "@b" eq $b;
74print "ok 12\n";
75
76# check magic
77{
78    my $bad = 0;
79    local $SIG{'__WARN__'} = sub { $bad = 1 };
80    my $x = 'a-e';
81    $x =~ s/(\w)-(\w)/join ':', $1 .. $2/e;
82    $bad = 1 unless $x eq 'a:b:c:d:e';
83    print $bad ? "not ok 13\n" : "ok 13\n";
84}
85
86# Should use magical autoinc only when both are strings
87print "not " unless 0 == (() = "0"..-1);
88print "ok 14\n";
89
90for my $x ("0"..-1) {
91    print "not ";
92}
93print "ok 15\n";
94
95# [#18165] Should allow "-4".."0", broken by #4730. (AMS 20021031)
96print join(":","-4".."0")      eq "-4:-3:-2:-1:0" ? "ok 16\n" : "not ok 16\n";
97print join(":","-4".."-0")     eq "-4:-3:-2:-1:0" ? "ok 17\n" : "not ok 17\n";
98print join(":","-4\n".."0\n")  eq "-4:-3:-2:-1:0" ? "ok 18\n" : "not ok 18\n";
99print join(":","-4\n".."-0\n") eq "-4:-3:-2:-1:0" ? "ok 19\n" : "not ok 19\n";
100
101# undef should be treated as 0 for numerical range
102print join(":",undef..2) eq '0:1:2' ? "ok 20\n" : "not ok 20\n";
103print join(":",-2..undef) eq '-2:-1:0' ? "ok 21\n" : "not ok 21\n";
104print join(":",undef..'2') eq '0:1:2' ? "ok 22\n" : "not ok 22\n";
105print join(":",'-2'..undef) eq '-2:-1:0' ? "ok 23\n" : "not ok 23\n";
106
107# undef should be treated as "" for magical range
108print join(":", map "[$_]", "".."B") eq '[]' ? "ok 24\n" : "not ok 24\n";
109print join(":", map "[$_]", undef.."B") eq '[]' ? "ok 25\n" : "not ok 25\n";
110print join(":", map "[$_]", "B".."") eq '' ? "ok 26\n" : "not ok 26\n";
111print join(":", map "[$_]", "B"..undef) eq '' ? "ok 27\n" : "not ok 27\n";
112
113# undef..undef used to segfault
114print join(":", map "[$_]", undef..undef) eq '[]' ? "ok 28\n" : "not ok 28\n";
115
116# also test undef in foreach loops
117@foo=(); push @foo, $_ for undef..2;
118print join(":", @foo) eq '0:1:2' ? "ok 29\n" : "not ok 29\n";
119
120@foo=(); push @foo, $_ for -2..undef;
121print join(":", @foo) eq '-2:-1:0' ? "ok 30\n" : "not ok 30\n";
122
123@foo=(); push @foo, $_ for undef..'2';
124print join(":", @foo) eq '0:1:2' ? "ok 31\n" : "not ok 31\n";
125
126@foo=(); push @foo, $_ for '-2'..undef;
127print join(":", @foo) eq '-2:-1:0' ? "ok 32\n" : "not ok 32\n";
128
129@foo=(); push @foo, $_ for undef.."B";
130print join(":", map "[$_]", @foo) eq '[]' ? "ok 33\n" : "not ok 33\n";
131
132@foo=(); push @foo, $_ for "".."B";
133print join(":", map "[$_]", @foo) eq '[]' ? "ok 34\n" : "not ok 34\n";
134
135@foo=(); push @foo, $_ for "B"..undef;
136print join(":", map "[$_]", @foo) eq '' ? "ok 35\n" : "not ok 35\n";
137
138@foo=(); push @foo, $_ for "B".."";
139print join(":", map "[$_]", @foo) eq '' ? "ok 36\n" : "not ok 36\n";
140
141@foo=(); push @foo, $_ for undef..undef;
142print join(":", map "[$_]", @foo) eq '[]' ? "ok 37\n" : "not ok 37\n";
143
144# again with magic
145{
146    my @a = (1..3);
147    @foo=(); push @foo, $_ for undef..$#a;
148    print join(":", @foo) eq '0:1:2' ? "ok 38\n" : "not ok 38\n";
149}
150{
151    my @a = ();
152    @foo=(); push @foo, $_ for $#a..undef;
153    print join(":", @foo) eq '-1:0' ? "ok 39\n" : "not ok 39\n";
154}
155{
156    local $1;
157    "2" =~ /(.+)/;
158    @foo=(); push @foo, $_ for undef..$1;
159    print join(":", @foo) eq '0:1:2' ? "ok 40\n" : "not ok 40\n";
160}
161{
162    local $1;
163    "-2" =~ /(.+)/;
164    @foo=(); push @foo, $_ for $1..undef;
165    print join(":", @foo) eq '-2:-1:0' ? "ok 41\n" : "not ok 41\n";
166}
167{
168    local $1;
169    "B" =~ /(.+)/;
170    @foo=(); push @foo, $_ for undef..$1;
171    print join(":", map "[$_]", @foo) eq '[]' ? "ok 42\n" : "not ok 42\n";
172}
173{
174    local $1;
175    "B" =~ /(.+)/;
176    @foo=(); push @foo, $_ for ""..$1;
177    print join(":", map "[$_]", @foo) eq '[]' ? "ok 43\n" : "not ok 43\n";
178}
179{
180    local $1;
181    "B" =~ /(.+)/;
182    @foo=(); push @foo, $_ for $1..undef;
183    print join(":", map "[$_]", @foo) eq '' ? "ok 44\n" : "not ok 44\n";
184}
185{
186    local $1;
187    "B" =~ /(.+)/;
188    @foo=(); push @foo, $_ for $1.."";
189    print join(":", map "[$_]", @foo) eq '' ? "ok 45\n" : "not ok 45\n";
190}
191