TestTest.java

public class TeaTest {
    @Test
    public void testEncryptDecryptBlock() {
        Configuration config = new Configuration();

        config.set("blockLength", "8");
        config.set("key", "111 222 333 444");

        Tea instance = new Tea(config);

        for(int i = 0; i < 1024; i++){
            int[] inputBlock = new int[8];

            for(int j = 0; j < 8; j++)
                inputBlock[j] = (int) Math.floor(Math.random() * 256);

            int[] encryptedBlock = instance.encryptBlock(inputBlock);
            int[] decryptedBlock = instance.decryptBlock(encryptedBlock);

            Assert.assertArrayEquals(inputBlock, decryptedBlock);
        }
    }
    // Rest of the code deleted for brevity...
}