Merge coretypes repo

packages/ripple-binary-codec/test/amount-test.js

@@ -0,0 +1,24 @@
+'use strict';
+
+const assert = require('assert-diff');
+const {Amount} = require('../src/coretypes');
+
+describe('Amount', function() {
+  it('can be parsed from', function() {
+    assert(Amount.from('1000000') instanceof Amount);
+    assert.equal(Amount.from('1000000').valueString(), '1000000');
+    const fixture = {
+      'value': '1',
+      'issuer': '0000000000000000000000000000000000000000',
+      'currency': 'USD'
+    };
+    const amt = Amount.from(fixture);
+    const rewritten = {
+      'value': '1',
+      'issuer': 'rrrrrrrrrrrrrrrrrrrrrhoLvTp',
+      'currency': 'USD'
+    };
+    assert.deepEqual(amt.toJSON(), rewritten);
+  });
+});
+