Add requested testing on function (hyperledger-web3j#4)

* Add requested testing on function
LuisRain · Jan 14, 2018 · 51dbc61 · 51dbc61
1 parent e933c08
commit 51dbc61
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/utils/src/test/java/org/web3j/utils/NumericTest.java b/utils/src/test/java/org/web3j/utils/NumericTest.java
@@ -32,6 +32,16 @@ public class NumericTest {
 
     private static final String HEX_RANGE_STRING = "0x0123456789abcdef";
 
+    @Test
+    public void testQuantityEncodeLeadingZero() {
+        assertThat(Numeric.toHexStringWithPrefixSafe(BigInteger.valueOf(0L)), equalTo("0x00"));
+        assertThat(Numeric.toHexStringWithPrefixSafe(BigInteger.valueOf(1024L)), equalTo("0x400"));
+        assertThat(Numeric.toHexStringWithPrefixSafe(BigInteger.valueOf(Long.MAX_VALUE)),
+                   equalTo("0x7fffffffffffffff"));
+        assertThat(Numeric.toHexStringWithPrefixSafe(
+                   new BigInteger("204516877000845695339750056077105398031")),
+                   equalTo("0x99dc848b94efc27edfad28def049810f"));
+    }
 
     @Test
     public void testQuantityDecode() {