Adds BI.toPaddedBuffer and toBuffer

test/bigi.js

@@ -0,0 +1,46 @@
+var assert = require('assert')
+var BigInteger = require('../').BigInteger
+
+var fixtures = require('./fixtures/bigi')
+
+describe('BigInteger', function() {
+  describe('fromBuffer/fromHex', function() {
+    it('should match the test vectors', function() {
+      fixtures.valid.forEach(function(f) {
+        assert.deepEqual(BigInteger.fromHex(f.hex).toString(), f.dec)
+        assert.deepEqual(BigInteger.fromHex(f.hexPadded).toString(), f.dec)
+      })
+    })
+
+    fixtures.invalid.forEach(function(f) {
+      it('throws on ' + f.description, function() {
+        assert.throws(function() {
+          BigInteger.fromHex(f.string)
+        })
+      })
+    })
+  })
+
+  describe('toBuffer/toHex', function() {
+    it('should match the test vectors', function() {
+      fixtures.valid.forEach(function(f) {
+        var actualHex = new BigInteger(f.dec).toHex()
+
+        assert.equal(actualHex, f.hex)
+      })
+    })
+  })
+
+  describe('toPaddedBuffer', function() {
+    it('should match the test vectors', function() {
+      fixtures.valid.forEach(function(f) {
+        var actualBuf = new BigInteger(f.dec).toPaddedBuffer(32)
+
+        assert.equal(actualBuf.length, 32)
+        assert.equal(actualBuf.toString('hex'), f.hexPadded)
+      })
+    })
+  })
+})
+
+module.exports = BigInteger