152 lines
3.1 KiB
Perl
152 lines
3.1 KiB
Perl
package Test2::Compare::Number;
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use strict;
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use warnings;
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use Carp qw/confess/;
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use base 'Test2::Compare::Base';
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our $VERSION = '0.000162';
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use Test2::Util::HashBase qw/input mode/;
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# Overloads '!' for us.
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use Test2::Compare::Negatable;
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sub init {
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my $self = shift;
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my $input = $self->{+INPUT};
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confess "input must be defined for 'Number' check"
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unless defined $input;
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# Check for ''
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confess "input must be a number for 'Number' check"
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unless length($input) && $input =~ m/\S/;
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defined $self->{+MODE} or $self->{+MODE} = '==';
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$self->SUPER::init(@_);
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}
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sub name {
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my $self = shift;
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my $in = $self->{+INPUT};
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return $in;
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}
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my %NEGATED = (
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'==' => '!=',
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'!=' => '==',
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'<' => '>=',
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'<=' => '>',
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'>=' => '<',
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'>' => '<=',
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);
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sub operator {
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my $self = shift;
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return '' unless @_;
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my ($got) = @_;
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return '' unless defined($got);
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return '' unless length($got) && $got =~ m/\S/;
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return $NEGATED{ $self->{+MODE} } if $self->{+NEGATE};
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return $self->{+MODE};
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}
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sub verify {
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my $self = shift;
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my %params = @_;
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my ($got, $exists) = @params{qw/got exists/};
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return 0 unless $exists;
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return 0 unless defined $got;
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return 0 if ref $got;
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return 0 unless length($got) && $got =~ m/\S/;
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my $want = $self->{+INPUT};
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my $mode = $self->{+MODE};
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my $negate = $self->{+NEGATE};
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my @warnings;
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my $out;
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{
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local $SIG{__WARN__} = sub { push @warnings => @_ };
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$out = $mode eq '==' ? ($got == $want) :
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$mode eq '!=' ? ($got != $want) :
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$mode eq '<' ? ($got < $want) :
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$mode eq '<=' ? ($got <= $want) :
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$mode eq '>=' ? ($got >= $want) :
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$mode eq '>' ? ($got > $want) :
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die "Unrecognised MODE";
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$out ^= 1 if $negate;
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}
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for my $warn (@warnings) {
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if ($warn =~ m/numeric/) {
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$out = 0;
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next; # This warning won't help anyone.
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}
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warn $warn;
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}
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return $out;
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}
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1;
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__END__
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=pod
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=encoding UTF-8
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=head1 NAME
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Test2::Compare::Number - Compare two values as numbers
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=head1 DESCRIPTION
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This is used to compare two numbers. You can also check that two numbers are not
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the same.
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B<Note>: This will fail if the received value is undefined. It must be a number.
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B<Note>: This will fail if the comparison generates a non-numeric value warning
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(which will not be shown). This is because it must get a number. The warning is
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not shown as it will report to a useless line and filename. However, the test
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diagnostics show both values.
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=head1 SOURCE
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The source code repository for Test2-Suite can be found at
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F<https://github.com/Test-More/Test2-Suite/>.
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=head1 MAINTAINERS
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=over 4
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=item Chad Granum E<lt>exodist@cpan.orgE<gt>
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=back
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=head1 AUTHORS
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=over 4
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=item Chad Granum E<lt>exodist@cpan.orgE<gt>
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=back
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=head1 COPYRIGHT
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Copyright 2018 Chad Granum E<lt>exodist@cpan.orgE<gt>.
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This program is free software; you can redistribute it and/or
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modify it under the same terms as Perl itself.
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See F<http://dev.perl.org/licenses/>
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=cut
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