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package model.asn1;
import model.asn1.exceptions.ParseException;
import model.asn1.parsing.BytesReader;
import org.junit.jupiter.api.Test;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import static org.junit.jupiter.api.Assertions.*;
public class GeneralizedTimeTest {
@Test
void testConstructor() throws ParseException {
final ZonedDateTime now = ZonedDateTime.now(ZoneId.of("UTC"));
assertEquals(now, new GeneralizedTime(GeneralizedTime.TAG, null, now).getTimestamp());
final ASN1Time parsed = new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 15,
'1', '9', '1', '9', '0', '8', '1', '0', '1', '1', '4', '5', '1', '4', 'Z'
}), false);
assertEquals("19190810114514Z",
parsed.toString());
assertEquals(ZonedDateTime.of(1919, 8, 10, 11, 45, 14,
0, ZoneId.of("UTC")),
parsed.getTimestamp());
}
@Test
void testParse() throws ParseException {
ASN1Time parsed = new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 15,
'2', '0', '2', '3', '0', '9', '2', '7', '1', '1', '4', '5', '1', '4', 'Z'
}), false);
assertEquals(ZonedDateTime.of(2023, 9, 27, 11, 45, 14,
0, ZoneId.of("UTC")),
parsed.getTimestamp());
// No seconds
parsed = new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 13,
'2', '0', '2', '3', '0', '9', '2', '7', '1', '1', '4', '5', 'Z'
}), false);
assertEquals(ZonedDateTime.of(2023, 9, 27, 11, 45, 0,
0, ZoneId.of("UTC")),
parsed.getTimestamp());
// Length 0
assertThrows(ParseException.class, () ->
new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 0
}), false));
// Early EOF
assertThrows(ParseException.class, () ->
new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 15
}), false));
// No tailing Z
assertThrows(ParseException.class, () ->
new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 14,
'2', '0', '2', '3', '0', '9', '2', '7', '1', '1', '4', '5', '1', '4'
}), false));
// Custom timezone
assertThrows(ParseException.class, () ->
new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 18,
'2', '0', '2', '3', '0', '9', '2', '7', '1', '1', '4', '5', '1', '4', 'Z', '-', '0', '8'
}), false));
// Invalid month / day / hour / minute / second
assertThrows(ParseException.class, () ->
new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 15,
'2', '0', '2', '3', '1', '3', '2', '7', '1', '1', '4', '5', '1', '4', 'Z'
}), false));
assertThrows(ParseException.class, () ->
new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 15,
'2', '0', '2', '3', '1', '0', '3', '2', '1', '1', '4', '5', '1', '4', 'Z'
}), false));
assertThrows(ParseException.class, () ->
new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 15,
'2', '0', '2', '3', '1', '0', '3', '0', '2', '5', '4', '5', '1', '4', 'Z'
}), false));
assertThrows(ParseException.class, () ->
new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 15,
'2', '0', '2', '3', '1', '0', '3', '0', '2', '4', '6', '1', '1', '4', 'Z'
}), false));
assertThrows(ParseException.class, () ->
new GeneralizedTime(new BytesReader(new Byte[]{
0x18, 15,
'2', '0', '2', '3', '1', '0', '3', '0', '2', '4', '6', '0', '6', '1', 'Z'
}), false));
}
@Test
void testEncode() throws ParseException {
assertEquals("20230927114514Z", new GeneralizedTime(new BytesReader(new Byte[]{
-95, 17,
0x18, 15,
'2', '0', '2', '3', '0', '9', '2', '7', '1', '1', '4', '5', '1', '4', 'Z'
}), true).toString());
// No seconds
assertEquals("202309271145Z", new GeneralizedTime(new BytesReader(new Byte[]{
-95, 15,
0x18, 13,
'2', '0', '2', '3', '0', '9', '2', '7', '1', '1', '4', '5', 'Z'
}), true).toString());
// To byte array
assertArrayEquals(new Byte[]{
0x18, 13,
'2', '0', '2', '3', '0', '9', '2', '7', '1', '1', '4', '5', 'Z'
}, new GeneralizedTime(GeneralizedTime.TAG, null, ZonedDateTime.of(2023, 9,
27, 11, 45, 0, 0, ZoneId.of("UTC")))
.encodeDER());
}
}
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