use Test::More tests => 53;

use JSON::Syck qw(Dump);

my @arr1 = sort {$a cmp $b} qw/1 2 54 howdy/;
is(Dump(\@arr1), '["1","2","54","howdy"]', "cmp sort causes numbers to coerce into strings and thus be quoted.");

{
    no warnings "numeric";
    my @arr2 = sort {$a <=> $b} qw/1 2 54 howdy/;
    is(Dump(\@arr2), '["howdy","1","2","54"]', "Numeric sort doesn't coerce non-numeric strings into numbers because they still contain their valid string");
}

my @arr54 = ("howdy",1,2,54);
is(Dump(\@arr54), '["howdy",1,2,54]', "Strings are quoted. Numbers are not");

is(Dump('042'),    '"042"', "Ocatls don't get treated as numbers");
is(Dump('0x42'),    '"0x42"', "Hex doesn't get treated as a number");
is(Dump('0.42'),    '"0.42"', "Floats with leading 0 don't get excluded by octal check");
is(Dump('1_000_000'),    '"1_000_000"', "numbers with underscores get quoted.");
is(Dump('1,000,000'),    '"1,000,000"', "numbers with commas get quoted.");
is(Dump('1e+6'),    '"1e+6"', "Scientific notation gets quoted.");
is(Dump('10e+6'),    '"10e+6"', "Scientific notation gets quoted.");
is(Dump('0123'),    '"0123"', "Scientific notation gets quoted.");

# for simple integers, we need to preserve their string state as perl knows it if possible.
# JSON overloaded + for string concatenation. This means you get all sorts of wierdness if we try to strip quotes on strings not IVs
# "0" is true 0 is false. 1 + 1 = 2 but "1" + "1" = "11"
for(-10..10) { 
  is(Dump($_),  $_,         '"0" != 0 in JSON. 0 is false "0" is true.');
  is(Dump("$_"),  "\"$_\"", 'Strigified integer is stringified in JSON');
}