Added utilities for encoding and decoding BigIntegers.

1 files changed, 24 insertions, 0 deletions

diff --git a/src/test/java/com/amazon/carbonado/raw/TestDataEncoding.java b/src/test/java/com/amazon/carbonado/raw/TestDataEncoding.java
index bff5820..b08049f 100644
--- a/src/test/java/com/amazon/carbonado/raw/TestDataEncoding.java
+++ b/src/test/java/com/amazon/carbonado/raw/TestDataEncoding.java
@@ -18,6 +18,8 @@
 

 package com.amazon.carbonado.raw;

 

+import java.math.BigInteger;

+

 import java.util.Random;

 

 import junit.framework.TestCase;

@@ -463,6 +465,28 @@ public class TestDataEncoding extends TestCase {
         }

     }

 

+    public void test_BigInteger() throws Exception {

+        byte[] bytes = new byte[101];

+

+        assertEquals(1, DataEncoder.encode((BigInteger) null, bytes, 0));

+        BigInteger[] ref = new BigInteger[1];

+        ref[0] = BigInteger.ONE;

+        assertEquals(1, DataDecoder.decode(bytes, 0, ref));

+        assertEquals(null, ref[0]);

+

+        for (int i=0; i<SHORT_TEST; i++) {

+            int len = mRandom.nextInt(100 * 8);

+            BigInteger value = new BigInteger(len, mRandom);

+            if (mRandom.nextBoolean()) {

+                value = value.negate();

+            }

+            int amt = DataEncoder.calculateEncodedLength(value);

+            assertEquals(amt, DataEncoder.encode(value, bytes, 0));

+            assertEquals(amt, DataDecoder.decode(bytes, 0, ref));

+            assertEquals(value, ref[0]);

+        }

+    }

+

     public void test_String() throws Exception {

         String[] ref = new String[1];

         for (int i=0; i<SHORT_TEST; i++) {