From 7bda03745e4f48865e1b825586c24a9793c55fff Mon Sep 17 00:00:00 2001
From: Stefan Thomas <justmoon@members.fsf.org>
Date: Mon, 3 Dec 2012 19:45:31 -0800
Subject: [PATCH] Use custom assert in JS library.

The assert was previously provided by Buster.JS which is not available outside
of the test suite.
---
 src/js/remote.js | 14 +++++++-------
 src/js/utils.js  |  8 +++++++-
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/js/remote.js b/src/js/remote.js
index 0de15e54ca..2d8ac6f767 100644
--- a/src/js/remote.js
+++ b/src/js/remote.js
@@ -551,7 +551,7 @@ Remote.prototype.request_server_info = function () {
 // XXX This is a bad command. Some varients don't scale.
 // XXX Require the server to be trusted.
 Remote.prototype.request_ledger = function (ledger, full) {
-  //assert(this.trusted);
+  //utils.assert(this.trusted);
 
   var request = new Request(this, 'ledger');
 
@@ -566,7 +566,7 @@ Remote.prototype.request_ledger = function (ledger, full) {
 
 // Only for unit testing.
 Remote.prototype.request_ledger_hash = function () {
-  //assert(this.trusted);   // If not trusted, need to check proof.
+  //utils.assert(this.trusted);   // If not trusted, need to check proof.
 
   return new Request(this, 'ledger_closed');
 };
@@ -588,7 +588,7 @@ Remote.prototype.request_ledger_current = function () {
 // .ledger_index()
 // .offer_id()
 Remote.prototype.request_ledger_entry = function (type) {
-  //assert(this.trusted);   // If not trusted, need to check proof, maybe talk packet protocol.
+  //utils.assert(this.trusted);   // If not trusted, need to check proof, maybe talk packet protocol.
 
   var self    = this;
   var request = new Request(this, 'ledger_entry');
@@ -692,7 +692,7 @@ Remote.prototype.request_unsubscribe = function (streams) {
 };
 
 Remote.prototype.request_transaction_entry = function (hash) {
-  //assert(this.trusted);   // If not trusted, need to check proof, maybe talk packet protocol.
+  //utils.assert(this.trusted);   // If not trusted, need to check proof, maybe talk packet protocol.
 
   return (new Request(this, 'transaction_entry'))
     .tx_hash(hash);
@@ -700,7 +700,7 @@ Remote.prototype.request_transaction_entry = function (hash) {
 
 Remote.prototype.request_ripple_lines_get = function (accountID, index) {
   // XXX Does this require the server to be trusted?
-  //assert(this.trusted);
+  //utils.assert(this.trusted);
 
   var request = new Request(this, 'ripple_lines_get');
 
@@ -713,7 +713,7 @@ Remote.prototype.request_ripple_lines_get = function (accountID, index) {
 };
 
 Remote.prototype.request_wallet_accounts = function (seed) {
-  assert(this.trusted);     // Don't send secrets.
+  utils.assert(this.trusted);     // Don't send secrets.
 
   var request = new Request(this, 'wallet_accounts');
 
@@ -724,7 +724,7 @@ Remote.prototype.request_wallet_accounts = function (seed) {
 
 Remote.prototype.request_account_tx = function (accountID, ledger_min, ledger_max) {
   // XXX Does this require the server to be trusted?
-  //assert(this.trusted);
+  //utils.assert(this.trusted);
 
   var request = new Request(this, 'account_tx');
 
diff --git a/src/js/utils.js b/src/js/utils.js
index 31d2a72d63..0128711f2c 100644
--- a/src/js/utils.js
+++ b/src/js/utils.js
@@ -87,13 +87,19 @@ var logObject = function (msg, obj) {
   console.log(msg, JSON.stringify(obj, undefined, 2));
 };
 
+var assert = function (assertion, msg) {
+  if (!assertion) {
+    throw new Error("Assertion failed" + (msg ? ": "+msg : "."));
+  }
+};
 
 exports.trace         = trace;
 exports.arraySet      = arraySet;
 exports.hexToString   = hexToString;
 exports.stringToArray = stringToArray;
 exports.stringToHex   = stringToHex;
-exports.logObject     = logObject;
 exports.chunkString   = chunkString;
+exports.logObject     = logObject;
+exports.assert        = assert;
 
 // vim:sw=2:sts=2:ts=8:et