Correct the multiplication tests

Jochen Buchholz · Jochen Buchholz · commit 7a285fe05e13 · 2016-09-30T12:50:05.000+02:00
diff --git a/src/main/java/org/javamoney/moneta/FastMoney.java b/src/main/java/org/javamoney/moneta/FastMoney.java
@@ -451,10 +451,10 @@ public FastMoney multiply(Number multiplicand) {
 
     private long multiplyExact(long num1, long num2) {
         if(num1==0){
-            return num2;
+            return 0;
         }
         if(num2==0){
-            return num1;
+            return 0;
         }
         boolean pos = num1>0 && num2 >0;
         boolean neg = num1<0 && num2 <0;

Original file line number	Diff line number	Diff line change
`@@ -451,10 +451,10 @@ public FastMoney multiply(Number multiplicand) {`
`451`	`451`
`452`	`452`	`private long multiplyExact(long num1, long num2) {`
`453`	`453`	`if(num1==0){`
`454`		`- return num2;`
	`454`	`+ return 0;`
`455`	`455`	`}`
`456`	`456`	`if(num2==0){`
`457`		`- return num1;`
	`457`	`+ return 0;`
`458`	`458`	`}`
`459`	`459`	`boolean pos = num1>0 && num2 >0;`
`460`	`460`	`boolean neg = num1<0 && num2 <0;`