--- /dev/null
+var mocha = require('mocha')
+ , assert = require('chai').assert
+ , expect = require('chai').expect
+ , BigNumber = require('bignumber.js')
+ ;
+
+describe("Testing bigint support", function(){
+ var input = '{"big":9223372036854775807,"small":123}';
+
+ it("Should show classic JSON.parse lacks bigint support", function(done){
+ var obj = JSON.parse(input);
+ expect(obj.small.toString(), "string from small int").to.equal("123");
+ expect(obj.big.toString(), "string from big int").to.not.equal("9223372036854775807");
+
+ var output = JSON.stringify(obj);
+ expect(output).to.not.equal(input);
+ done();
+ });
+
+ it("Should show JSNbig does support bigint parse/stringify roundtrip", function(done){
+ var JSONbig = require('../index');
+ var obj = JSONbig.parse(input);
+ expect(obj.small.toString(), "string from small int").to.equal("123");
+ expect(obj.big.toString(), "string from big int").to.equal("9223372036854775807");
+ expect(obj.big, "instanceof big int").to.be.instanceof(BigNumber);
+
+ var output = JSONbig.stringify(obj);
+ expect(output).to.equal(input);
+ done();
+ });
+});