--- /dev/null
+#!/usr/bin/env perl
+
+use warnings;
+use strict;
+
+use lib 't/lib';
+use TestCommon;
+
+use File::KDBX::Constants qw(:kdf);
+use Test::More;
+
+BEGIN { use_ok('File::KDBX::KDF') }
+
+subtest 'AES KDF' => sub {
+ my $kdf1 = File::KDBX::KDF->new(uuid => KDF_UUID_AES, seed => "\1" x 32, rounds => 10);
+ my $result1 = $kdf1->transform("\2" x 32);
+ is $result1, "\342\234cp\375\\p\253]\213\f\246\345\230\266\260\r\222j\332Z\204:\322 p\224mhm\360\222",
+ 'AES KDF basically works';
+
+ like exception { $kdf1->transform("\2" x 33) }, qr/raw key must be 32 bytes/i,
+ 'Transformation requires valid arguments';
+};
+
+subtest 'Argon2 KDF' => sub {
+ my $kdf1 = File::KDBX::KDF->new(
+ uuid => KDF_UUID_ARGON2D,
+ salt => "\2" x 32,
+ iterations => 2,
+ parallelism => 2,
+ );
+ my $r1 = $kdf1->transform("\2" x 32);
+ is $r1, "\352\333\247\347+x#\"C\340\224\30\316\350\3068E\246\347H\263\214V\310\5\375\16N.K\320\255",
+ 'Argon2D KDF works';
+
+ my $kdf2 = File::KDBX::KDF->new(
+ uuid => KDF_UUID_ARGON2ID,
+ salt => "\2" x 32,
+ iterations => 2,
+ parallelism => 3,
+ );
+ my $r2 = $kdf2->transform("\2" x 32);
+ is $r2, "S\304\304u\316\311\202^\214JW{\312=\236\307P\345\253\323\313\23\215\247\210O!#F\16\1x",
+ 'Argon2ID KDF works';
+};
+
+done_testing;