Merge pull request #148 from networknt/fix/min-max-validator

Fix min/max validator

Author: stevehu

src/main/java/com/networknt/schema/MaximumValidator.java

@@ -71,7 +71,11 @@ public String thresholdValue() {
                 @Override
                 public boolean crossesThreshold(JsonNode node) {
                     long val = node.asLong();
-                    return node.isBigInteger() || lm < val || (excludeEqual && lm <= val);
+                    if(node.isBigInteger()) {
+                        //node.isBigInteger is not trustable, the type BigInteger doesn't mean it is a big number.
+                        return node.bigIntegerValue().compareTo(new BigInteger(String.valueOf(Long.MAX_VALUE))) > 0;
+                    }
+                    return lm < val || (excludeEqual && lm <= val);
                 }
 
                 @Override

src/main/java/com/networknt/schema/MinimumValidator.java

@@ -74,7 +74,11 @@ public String thresholdValue() {
                 @Override
                 public boolean crossesThreshold(JsonNode node) {
                     long val = node.asLong();
-                    return node.isBigInteger() || lmin > val || (excluded && lmin >= val);
+                    if(node.isBigInteger()) {
+                        //node.isBigInteger is not trustable, the type BigInteger doesn't mean it is a big number.
+                        return node.bigIntegerValue().compareTo(new BigInteger(String.valueOf(Long.MIN_VALUE))) < 0;
+                    }
+                    return lmin > val || (excluded && lmin >= val);
                 }
 
                 @Override