Add simple binary utility tests

Gruntfile.js

@@ -147,17 +147,6 @@ module.exports = function(grunt) {
     // traceur exec issues
     grunt.util.spawn({grunt: true,  args: ['--stack', 'packager'], opts: {stdio: 'inherit'}}, this.async());
   });
-  grunt.registerTask('test', function() {
-    var done = this.async();
-
-    var runner = childProcess.fork('./spec/env/runner', [], {stdio: 'inherit'});
-    runner.on('close', function(code) {
-      if (code != 0) {
-        grunt.fatal(code + ' tests failed');
-      }
-      done();
-    });
-  });
   grunt.registerTask('bench', ['metrics']);
 
   grunt.registerTask('default', ['build', 'test', 'release']);

spec/expected/empty.amd.js

@@ -0,0 +1,11 @@
+define(['handlebars.runtime'], function(Handlebars) {
+  Handlebars = Handlebars["default"];  var template = Handlebars.template, templates = Handlebars.templates = Handlebars.templates || {};
+return templates['empty'] = template(function (Handlebars,depth0,helpers,partials,data) {
+  this.compilerInfo = [4,'>= 1.0.0'];
+helpers = this.merge(helpers, Handlebars.helpers); data = data || {};
+  var buffer = "";
+
+
+  return buffer;
+  });
+});

tasks/test.js

@@ -0,0 +1,32 @@
+var childProcess = require('child_process'),
+    fs = require('fs');
+
+module.exports = function(grunt) {
+  grunt.registerTask('test:bin', function() {
+    var done = this.async();
+
+    childProcess.exec('./bin/handlebars -a spec/artifacts/empty.handlebars', function(err, stdout) {
+      if (err) {
+        throw err;
+      }
+
+      if (stdout.toString() !== fs.readFileSync('./spec/expected/empty.amd.js').toString()) {
+        throw new Error('Expected binary output differed');
+      }
+
+      done();
+    });
+  });
+  grunt.registerTask('test:mocha', function() {
+    var done = this.async();
+
+    var runner = childProcess.fork('./spec/env/runner', [], {stdio: 'inherit'});
+    runner.on('close', function(code) {
+      if (code != 0) {
+        grunt.fatal(code + ' tests failed');
+      }
+      done();
+    });
+  });
+  grunt.registerTask('test', ['test:bin', 'test:mocha']);
+};