package model.asn1;

import model.asn1.exceptions.ParseException;
import model.asn1.parsing.BytesReader;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import java.util.stream.Collectors;
import java.util.stream.IntStream;

import static org.junit.jupiter.api.Assertions.*;

public class OctetStringTest {
    @Test
    void testConstructor() {
        assertArrayEquals(new Byte[]{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 },
                new OctetString(OctetString.TAG, null, new Byte[]{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 })
                        .getBytes());
        assertArrayEquals(new Byte[]{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 },
                new OctetString(OctetString.TAG, null, new Byte[]{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 })
                        .encodeValueDER());
    }

    @Test
    void testEncode() throws ParseException {
        assertArrayEquals(new Byte[]{ 0x04, 0x06, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 },
                new OctetString(OctetString.TAG, null, new Byte[]{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 })
                        .encodeDER());
    }

    @Test
    void testParse() throws ParseException {
        assertArrayEquals(new Byte[]{ 0x0A, 0x0B, 0x0C },
                new OctetString(new BytesReader(new Byte[]{ 0x4, 3, 0x0A, 0x0B, 0x0C }), false)
                        .getBytes());
    }

    @Test
    void testParseFail() {
        // EOF
        assertThrows(ParseException.class, () ->
                new OctetString(new BytesReader(new Byte[]{ 0x4, 2, 0x0 }), false));
    }
}