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Current File : /home/opti/optisoftcom/.cpanm/work/1544535406.20768/BSON-v1.10.2/t/mapping/double.t

use 5.008001;
use strict;
use warnings;

use Test::More 0.96;

use lib 't/lib';
use lib 't/pvtlib';
use CleanEnv;
use TestUtils;

use BSON qw/encode decode/;
use BSON::Types qw/bson_double/;

use JSON::MaybeXS;

my ($hash);

# test constructor
packed_is( FLOAT, bson_double(), 0.0, "empty bson_double() is 0.0" );
packed_is( FLOAT, BSON::Double->new, 0.0, "empty constructor is 0.0" );

# test overloading
packed_is( FLOAT, bson_double(3.14159), 3.14159, "overloading correct" );

# double -> double
$hash = decode( encode( { A => 3.14159 } ) );
is( sv_type( $hash->{A} ), 'NV', "double->double" );
packed_is( FLOAT, $hash->{A}, 3.14159, "value correct" );

# BSON::Double -> double
$hash = decode( encode( { A => bson_double(3.14159) } ) );
is( sv_type( $hash->{A} ), 'NV', "BSON::Double->double" );
packed_is( FLOAT, $hash->{A}, 3.14159, "value correct" );

# double -> BSON::Double
$hash = decode( encode( { A => 3.14159 } ), wrap_numbers => 1 );
is( ref( $hash->{A} ), 'BSON::Double', "double->BSON::Double" );
packed_is( FLOAT, $hash->{A}->value, 3.14159, "value correct" );

# BSON::Double -> BSON::Double
$hash = decode( encode( { A => bson_double(3.14159) } ), wrap_numbers => 1 );
is( ref( $hash->{A} ), 'BSON::Double', "BSON::Double->BSON::Double" );
packed_is( FLOAT, $hash->{A}->value, 3.14159, "value correct" );

# test special doubles
my %special = (
    "Inf"  => BSON::Double::pInf(),
    "-Inf" => BSON::Double::nInf(),
    "NaN"  => BSON::Double::NaN(),
);

for my $s ( qw/Inf -Inf NaN/ ) {
    $hash = decode( encode( { A => $special{$s} } ) );
    is( sv_type( $hash->{A} ), 'PVNV', "$s as double->double" );
    packed_is( FLOAT, $hash->{A}, $special{$s}, "value correct" );
}

for my $s ( qw/Inf -Inf NaN/ ) {
    $hash = decode( encode( { A => $special{$s} } ), wrap_numbers => 1 );
    is( ref( $hash->{A} ), 'BSON::Double', "$s as double->BSON::Double" )
        or diag explain $hash;
    packed_is( FLOAT, $hash->{A}, $special{$s}, "value correct" );
}

# test special BSON::Double
for my $s ( qw/Inf -Inf NaN/ ) {
    $hash = decode( encode( { A => bson_double($special{$s}) } ) );
    is( sv_type( $hash->{A} ), 'PVNV', "$s as BSON::Double->BSON::Double" );
    packed_is( FLOAT, $hash->{A}, $special{$s}, "value correct" );
}

for my $s ( qw/Inf -Inf NaN/ ) {
    $hash = decode( encode( { A => bson_double($special{$s}) } ), wrap_numbers => 1 );
    is( ref( $hash->{A} ), 'BSON::Double', "$s as BSON::Double->BSON::Double" )
        or diag explain $hash;
    packed_is( FLOAT, $hash->{A}, $special{$s}, "value correct" );
}

# to JSON

# Depending on the JSON parser (and version), .0 might get encoded in various
# lossy ways, so we check with a regex for any of the various things we might see
like( to_myjson({a=>bson_double(0.0)}), qr/\{"a":(?:0\.0|"0"|0)\}/, 'bson_double(0.0) (XXX lossy!)' );
like( to_myjson({a=>bson_double(42)}), qr/\{"a":(?:42\.0|"42"|42)\}/, 'bson_double(42) (XXX lossy!)' );

is( to_myjson({a=>bson_double(0.1)}), q[{"a":0.1}], 'bson_double(0.1)' );
eval { to_myjson({a=>bson_double(BSON::Double::pInf())}) };
like( $@, qr/illegal in JSON/, 'throws: bson_double(BSON::Double:pInf())' );

# to extended JSON; XXX not implemented yet by mognod;
# see https://jira.mongodb.org/browse/SERVER-23204
##is( to_extjson({a=>bson_double(0.0)}), q[{"a":0}], 'extjson: bson_double(0.0) (XXX lossy!)' );
##is( to_extjson({a=>bson_double(42)}), q[{"a":42}], 'extjson: bson_double(42) (XXX lossy!)' );
##is( to_extjson({a=>bson_double(0.1)}), q[{"a":0.1}], 'extjson: bson_double(0.1)' );
##is( to_extjson({a=>bson_double("Inf"/1.0)}), q[{"a":{"$numberDouble":"Inf"}}], 'extjson: bson_double("Inf"/1.0)' );

done_testing;

#
# This file is part of BSON
#
# This software is Copyright (c) 2018 by Stefan G. and MongoDB, Inc.
#
# This is free software, licensed under:
#
#   The Apache License, Version 2.0, January 2004
#
#
# vim: set ts=4 sts=4 sw=4 et tw=75:

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