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support simple arithmetic (only + and -) for monetary amounts

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Juerd Waalboer 2023-12-25 00:33:46 +01:00
parent 3470ebeb1c
commit 3dab71fdbf
3 changed files with 77 additions and 2 deletions
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t/calc.t Normal file
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@ -0,0 +1,56 @@
use v5.32;
use Test::More;
use Test::Exception;
use Test::Warnings ":all";
BEGIN { use_ok('RevBank::Global'); }
dies_ok sub { parse_amount("-1") };
dies_ok sub { parse_amount("0-42") };
dies_ok sub { parse_amount("999999") };
is parse_amount("0.123"), undef;
is parse_amount("42.000"), undef;
is parse_amount("a"), undef;
is parse_amount("(1+1)"), undef;
is parse_amount("42")->cents, 4200;
is parse_amount("42.0")->cents, 4200;
is parse_amount("42.00")->cents, 4200;
is parse_amount("1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1")->cents, 4200;
is parse_amount("-42+42")->cents, 0;
is parse_amount("+42")->cents, 4200;
is parse_amount("--42")->cents, 4200;
is parse_amount("+42-42")->cents, 0;
is parse_amount("0--42")->cents, 4200;
is parse_amount("0++42")->cents, 4200;
is parse_amount("42+-42")->cents, 0;
is parse_amount("42-+42")->cents, 0;
is parse_amount("0+42")->cents, 4200;
is parse_amount("42-42")->cents, 0;
is parse_amount(" - 42 + 42")->cents, 0;
is parse_amount(" + 42 ")->cents, 4200;
is parse_amount(" - - 42 ")->cents, 4200;
is parse_amount(" + 42 - 42 ")->cents, 0;
is parse_amount(" 0 - - 42 ")->cents, 4200;
is parse_amount(" 0 + + 42 ")->cents, 4200;
is parse_amount(" 42 + - 42 ")->cents, 0;
is parse_amount(" 42 - + 42 ")->cents, 0;
is parse_amount(" 0 + 42 ")->cents, 4200;
is parse_amount(" 42 - 42 ")->cents, 0;
is parse_amount("-4.20+4.20")->cents, 0;
is parse_amount("+4.20")->cents, 420;
is parse_amount("--4.20")->cents, 420;
is parse_amount("+4.20-4.20")->cents, 0;
is parse_amount("0--4.20")->cents, 420;
is parse_amount("0++4.20")->cents, 420;
is parse_amount("4.20+-4.20")->cents, 0;
is parse_amount("4.20-+4.20")->cents, 0;
is parse_amount("0+4.20")->cents, 420;
is parse_amount("4.20-4.20")->cents, 0;
done_testing;