Module system refactor

There is one major API change in the refactor: filename extensions are now
required when requiring or including modules.

Added extra test to test-module-loading.js.

1 files changed, 8 insertions, 3 deletions

diff --git a/test/fixtures/a.js b/test/fixtures/a.js
index 111417ac1c..d1405e2d16 100644
--- a/test/fixtures/a.js
+++ b/test/fixtures/a.js
@@ -1,5 +1,10 @@
-var c = require("b/c");
+var c = require("b/c.js");
 exports.A = function () {
   return "A";
-}
-exports.C = function () { return c.C(); }
+};
+exports.C = function () {
+  return c.C();
+};
+exports.D = function () {
+  return c.D();
+};