passing test

package.json

@@ -10,7 +10,8 @@
     },
     "dependencies" : {},
     "devDependencies" : {
-        "tap" : "~0.3.0"
+        "tap" : "~0.3.0",
+        "tape" : "~0.0.2"
     },
     "scripts" : {
         "test" : "tap test/*.js"

test/def.js

@@ -0,0 +1,22 @@
+var defined = require('../');
+var test = require('tap').test;
+
+test('defined-or', function (t) {
+    var u = undefined;
+
+    t.equal(defined(), u, 'empty arguments');
+    t.equal(defined(u), u, '1 undefined');
+    t.equal(defined(u, u), u, '2 undefined');
+    t.equal(defined(u, u, u, u), u, '4 undefineds');
+
+    t.equal(defined(undefined, false, true), false, 'false[0]');
+    t.equal(defined(false, true), false, 'false[1]');
+    t.equal(defined(undefined, 0, true), 0, 'zero[0]');
+    t.equal(defined(0, true), 0, 'zero[1]');
+
+    t.equal(defined(3, undefined, 4), 3, 'first arg');
+    t.equal(defined(undefined, 3, 4), 3, 'second arg');
+    t.equal(defined(undefined, undefined, 3), 3, 'third arg');
+
+    t.end();
+});