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package ui;
import model.asn1.exceptions.ParseException;
import org.junit.jupiter.api.Test;
import java.nio.charset.StandardCharsets;
import java.util.stream.IntStream;
import static org.junit.jupiter.api.Assertions.*;
public class UtilsTest {
@Test
void testByteToByte() {
final byte[] primitive = new byte[]{ 1, 1, 4, 5, 1, 4 };
final Byte[] boxed = new Byte[]{ 1, 1, 4, 5, 1, 4 };
assertArrayEquals(primitive, Utils.byteToByte(boxed));
assertArrayEquals(boxed, Utils.byteToByte(primitive));
}
@Test
void testBytesToInt() throws ParseException {
assertEquals(1, Utils.bytesToInt(new Byte[]{ 1 }));
assertEquals(257, Utils.bytesToInt(new Byte[]{ 1, 1 }));
assertThrows(ParseException.class, () -> Utils.bytesToInt(new Byte[]{ 1, -1, -1, -1, -1 }));
}
@Test
void testValToByte() {
assertArrayEquals(new Byte[]{ 0 },
Utils.valToByte(0));
assertArrayEquals(new Byte[]{ 1 },
Utils.valToByte(1));
assertArrayEquals(new Byte[]{ 1, 1 },
Utils.valToByte(257));
assertArrayEquals(new Byte[]{ -1 },
Utils.valToByte(-1));
}
@Test
void testParsePEM() throws ParseException {
assertArrayEquals(IntStream.range(0, 48).mapToObj(i -> (byte) 1).toArray(Byte[]::new),
Utils.parsePEM(Utils.byteToByte(("-----BEGIN BLABLA-----\n" +
"AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n" +
"-----END BLABLA-----").getBytes(StandardCharsets.UTF_8)),
"BLABLA"));
assertThrows(ParseException.class, () -> {
Utils.parsePEM(Utils.byteToByte(("-----BEGIN BLABLA-----\n" +
"AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n" +
"-----END BLABLA-----").getBytes(StandardCharsets.UTF_8)),
"LALA");
});
assertThrows(ParseException.class, () -> {
Utils.parsePEM(Utils.byteToByte(("-----BEGIN BLABLA-----" +
"AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB" +
"-----END BLABLA-----").getBytes(StandardCharsets.UTF_8)),
"BLABLA");
});
}
@Test
void testToPEM() {
assertEquals("-----BEGIN ABC-----\n" +
"AQ==\n" +
"-----END ABC-----",
Utils.toPEM(new Byte[]{ 0x1 }, "ABC"));
}
}
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