Implement data structures from X.680, X.501, X.509, and PKCS#10, with X.690 encoding / decoding support

The implementation took four days, and it is still a little bit rough. Updated version should arrive soon.

Signed-off-by: Yuuta Liang <yuutaw@students.cs.ubc.ca>

1 files changed, 44 insertions, 0 deletions

diff --git a/src/test/model/asn1/OctetStringTest.java b/src/test/model/asn1/OctetStringTest.java
new file mode 100644
index 0000000..9e6e8a9
--- /dev/null
+++ b/src/test/model/asn1/OctetStringTest.java
@@ -0,0 +1,44 @@
+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));
+    }
+}