fixed subtle bug in testDoubleSubtraction

n1analytics · Feb 16, 2017 · 68c881d · 68c881d
1 parent 3b340fd
commit 68c881d
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/test/java/com/n1analytics/paillier/SubtractionTest.java b/src/test/java/com/n1analytics/paillier/SubtractionTest.java
@@ -256,7 +256,16 @@ public void testDoubleSubtraction() {
         encodedB = new EncodedNumber(context, encodedB.value, newExp);
       }
       b = encodedB.decodeDouble();
+      if(context.isUnsigned()) { //now that we changed b, we have to check again if a < b
+        if (a < b) {
+          double tmp = a;
+          a = b;
+          b = tmp;
+          encodedA = context.encode(a);
+        }
+      }
       encodedB = context.encode(b);
+
       plainResult = a - b;
 
       cipherTextA = context.encrypt(a);