[fix test] Update to ensure optimist is aware of default booleans. Associated tests included

Author: indexzero

index.js

@@ -303,7 +303,7 @@ function Argv (args, cwd) {
     function parseArgs () {
         var argv = { _ : [], $0 : self.$0 };
         Object.keys(flags.bools).forEach(function (key) {
-            setArg(key, false);
+            setArg(key, defaults[key] || false);
         });
 
         function setArg (key, val) {

test/parse.js

@@ -228,3 +228,25 @@ exports.multiAlias = function () {
     assert.equal(argv.z, argv.zm);
     assert.equal(argv.f, 11);
 };
+
+exports['boolean default true'] = function () {
+    var argv = optimist.options({
+        sometrue: {
+            boolean: true,
+            default: true
+        }
+    }).argv;
+  
+    assert.equal(argv.sometrue, true);
+};
+
+exports['boolean default false'] = function () {
+    var argv = optimist.options({
+        somefalse: {
+            boolean: true,
+            default: false
+        }
+    }).argv;
+
+    assert.equal(argv.somefalse, false);
+};