[Truffle] Throw a proper error on Bignum / 0.

jruby · Oct 2, 2016 · 828a0db · 828a0db
1 parent 9851022
commit 828a0db
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/core/numeric/BignumNodes.java b/truffle/src/main/java/org/jruby/truffle/core/numeric/BignumNodes.java
@@ -145,6 +145,9 @@ public abstract static class DivNode extends BignumCoreMethodNode {
         @TruffleBoundary
         @Specialization
         public Object div(DynamicObject a, long b) {
+            if (b == 0) {
+                throw new RaiseException(coreExceptions().zeroDivisionError(this));
+            }
             final BigInteger bBigInt = BigInteger.valueOf(b);
             final BigInteger aBigInt = Layouts.BIGNUM.getValue(a);
             final BigInteger result = aBigInt.divide(bBigInt);
@@ -166,6 +169,9 @@ public double div(DynamicObject a, double b) {
         public Object div(DynamicObject a, DynamicObject b) {
             final BigInteger aBigInt = Layouts.BIGNUM.getValue(a);
             final BigInteger bBigInt = Layouts.BIGNUM.getValue(b);
+            if (b.equals(BigInteger.ZERO)) {
+                throw new RaiseException(coreExceptions().zeroDivisionError(this));
+            }
             final BigInteger result = aBigInt.divide(bBigInt);
             if (result.signum() == -1 && !aBigInt.mod(bBigInt.abs()).equals(BigInteger.ZERO)) {
                 return fixnumOrBignum(result.subtract(BigInteger.ONE));