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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.nio.charset.StandardCharsets;
import static org.junit.jupiter.api.Assertions.*;
public class UTF8StringTest {
private static final String[] UTF8_CHARS = new String[]{
new String(new byte[]{-16, -97, -113, -77, -17, -72, -113, -30,
-128, -115, -30, -102, -89, -17, -72, -113}, StandardCharsets.UTF_8),
new String(new byte[]{-16, -97, -112, -79}, StandardCharsets.UTF_8)
};
@Test
void testAcceptedString() throws ParseException {
final ASN1String string =
new UTF8String(PrintableString.TAG, null, "0123456789abCdExYz '()+,-./:=?*@"
+ String.join("", UTF8_CHARS));
assertEquals("0123456789abCdExYz '()+,-./:=?*@" + String.join("", UTF8_CHARS),
string.getString());
}
@Test
void testEncode() throws ParseException {
assertArrayEquals(
new Byte[]{
-16, -97, -113, -77, -17, -72, -113, -30,
-128, -115, -30, -102, -89, -17, -72, -113,
-16, -97, -112, -79
}, new UTF8String(UTF8String.TAG, null, UTF8_CHARS[0] + UTF8_CHARS[1])
.encodeValueDER());
assertArrayEquals(
new Byte[]{
0x0C, 6, // Tag - Length
0x68, 0x69, // Value
-16, -97, -112, -79
}, new UTF8String(UTF8String.TAG, null, "hi" + UTF8_CHARS[1]).encodeDER());
}
@Test
void testParse() throws ParseException {
assertEquals(UTF8_CHARS[0],
new UTF8String(new BytesReader(new Byte[]{0x0C, 16,
-16, -97, -113, -77, -17, -72, -113, -30,
-128, -115, -30, -102, -89, -17, -72, -113
}), false).getString());
assertEquals("",
new UTF8String(new BytesReader(new Byte[]{0x0C, 0, '1', '2', '3'}), false)
.getString());
}
@Test
void testParseFail() {
// EOF
assertThrows(ParseException.class, () ->
new UTF8String(new BytesReader(new Byte[]{0x0C, 1}), false));
}
}
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