--- /dev/null
+use strict;
+use Test::More;
+
+use lib 't';
+use Support::TestSetup;
+
+Support::TestSetup::login();
+
+my $config = {};
+
+$config->{numberformat} = '1.000,00';
+
+# Positive values
+is($::form->round_amount(1.05, 2), '1.05', '1.05 @ 2');
+is($::form->round_amount(1.05, 1), '1.1', '1.05 @ 1');
+is($::form->round_amount(1.05, 0), '1', '1.05 @ 0');
+
+is($::form->round_amount(1.045, 2), '1.05', '1.045 @ 2');
+is($::form->round_amount(1.045, 1), '1', '1.045 @ 1');
+is($::form->round_amount(1.045, 0), '1', '1.045 @ 0');
+
+is($::form->round_amount(33.675, 2), '33.68', '33.675 @ 2');
+is($::form->round_amount(33.675, 1), '33.7', '33.675 @ 1');
+is($::form->round_amount(33.675, 0), '34', '33.675 @ 0');
+
+is($::form->round_amount(44.9 * 0.75, 2), '33.68', '44.9 * 0.75 @ 2');
+is($::form->round_amount(44.9 * 0.75, 1), '33.7', '44.9 * 0.75 @ 1');
+is($::form->round_amount(44.9 * 0.75, 0), '34', '44.9 * 0.75 @ 0');
+
+is($::form->round_amount(149.175, 2), '149.18', '149.175 @ 2');
+is($::form->round_amount(149.175, 1), '149.2', '149.175 @ 1');
+is($::form->round_amount(149.175, 0), '149', '149.175 @ 0');
+
+is($::form->round_amount(198.90 * 0.75, 2), '149.18', '198.90 * 0.75 @ 2');
+is($::form->round_amount(198.90 * 0.75, 1), '149.2', '198.90 * 0.75 @ 1');
+is($::form->round_amount(198.90 * 0.75, 0), '149', '198.90 * 0.75 @ 0');
+
+# Negative values
+is($::form->round_amount(-1.05, 2), '-1.05', '-1.05 @ 2');
+is($::form->round_amount(-1.05, 1), '-1.1', '-1.05 @ 1');
+is($::form->round_amount(-1.05, 0), '-1', '-1.05 @ 0');
+
+is($::form->round_amount(-1.045, 2), '-1.05', '-1.045 @ 2');
+is($::form->round_amount(-1.045, 1), '-1', '-1.045 @ 1');
+is($::form->round_amount(-1.045, 0), '-1', '-1.045 @ 0');
+
+is($::form->round_amount(-33.675, 2), '-33.68', '33.675 @ 2');
+is($::form->round_amount(-33.675, 1), '-33.7', '33.675 @ 1');
+is($::form->round_amount(-33.675, 0), '-34', '33.675 @ 0');
+
+is($::form->round_amount(-44.9 * 0.75, 2), '-33.68', '-44.9 * 0.75 @ 2');
+is($::form->round_amount(-44.9 * 0.75, 1), '-33.7', '-44.9 * 0.75 @ 1');
+is($::form->round_amount(-44.9 * 0.75, 0), '-34', '-44.9 * 0.75 @ 0');
+
+is($::form->round_amount(-149.175, 2), '-149.18', '-149.175 @ 2');
+is($::form->round_amount(-149.175, 1), '-149.2', '-149.175 @ 1');
+is($::form->round_amount(-149.175, 0), '-149', '-149.175 @ 0');
+
+is($::form->round_amount(-198.90 * 0.75, 2), '-149.18', '-198.90 * 0.75 @ 2');
+is($::form->round_amount(-198.90 * 0.75, 1), '-149.2', '-198.90 * 0.75 @ 1');
+is($::form->round_amount(-198.90 * 0.75, 0), '-149', '-198.90 * 0.75 @ 0');
+
+done_testing;
+
+1;