File: bool.t

package info (click to toggle)
perl 5.42.0-2
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 128,392 kB
  • sloc: perl: 534,963; ansic: 240,563; sh: 72,042; pascal: 6,934; xml: 2,428; yacc: 1,360; makefile: 1,197; cpp: 208; lisp: 1
file content (37 lines) | stat: -rw-r--r-- 648 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
#!./perl

BEGIN {
    chdir 't' if -d 't';
    require './test.pl';
    set_up_inc('../lib');
}

use strict;
use warnings;

my $truevar  = (5 == 5);
my $falsevar = (5 == 6);

cmp_ok($truevar, '==', 1);
cmp_ok($truevar, 'eq', "1");

cmp_ok($falsevar, '==', 0);
cmp_ok($falsevar, 'eq', "");

{
    # Check that boolean COW string buffer is safe to copy into new SVs and
    # doesn't get corrupted by inplace mutations
    my $x = $truevar;
    $x =~ s/1/t/;

    cmp_ok($x, 'eq', "t");
    cmp_ok($truevar, 'eq', "1");

    my $y = $truevar;
    substr($y, 0, 1, "T");

    cmp_ok($y, 'eq', "T");
    cmp_ok($truevar, 'eq', "1");
}

done_testing();