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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.nio.charset.StandardCharsets;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static org.junit.jupiter.api.Assertions.*;
public class IA5StringTest {
private String stringToTest = "";
@BeforeEach
void setup() {
stringToTest = IntStream.range(0, 127)
.mapToObj(Character::toString)
.collect(Collectors.joining());
}
@Test
void testAcceptedString() throws ParseException {
assertEquals(stringToTest,
new IA5String(IA5String.TAG, null, stringToTest)
.getString());
}
@Test
void testIllegalStrings() {
assertThrows(ParseException.class,
() -> new IA5String(IA5String.TAG, null,
stringToTest + new String(new byte[]{ -128 }, StandardCharsets.UTF_8)));
assertThrows(ParseException.class,
() -> new IA5String(IA5String.TAG, null,
stringToTest + new String(new byte[]{ -1 }, StandardCharsets.UTF_8)));
}
@Test
void testEncode() throws ParseException {
assertArrayEquals(
new Byte[] { 0x00, 0x01, 0x02 },
new IA5String(IA5String.TAG, null, new String(new byte[]{ 0, 1, 2}, StandardCharsets.UTF_8))
.encodeValueDER());
assertArrayEquals(
new Byte[] {
0x16, 0x02, // Tag - Length
0x68, 0x69 // Value
}, new IA5String(IA5String.TAG, null, "hi").encodeDER());
assertArrayEquals(
new Byte[] {
-85, 0x05, // Parent Tag - Length
0x16, 0x03, // Inner Tag - Length
0x68, 0x69, 0x69 // Value
}, new IA5String(IA5String.TAG,
new Tag(TagClass.CONTEXT_SPECIFIC, true, 11),
"hii").encodeDER());
}
@Test
void testParse() throws ParseException {
assertEquals("123",
new IA5String(new BytesReader(new Byte[]{ 0x16, 3, '1', '2', '3' }), false)
.getString());
assertEquals("",
new IA5String(new BytesReader(new Byte[]{ 0x16, 0 }), false)
.getString());
}
@Test
void testParseFail() {
assertThrows(ParseException.class, () ->
new IA5String(new BytesReader(new Byte[]{ 0x16, 3, '1', '2' }), false));
assertThrows(ParseException.class, () ->
new IA5String(new BytesReader(new Byte[]{ 0x16, 2, '1', -128 }), false));
}
}
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