Added example test runner

examples/runner.js

@@ -0,0 +1,53 @@
+
+/**
+ * Module dependencies.
+ */
+
+var should = require('../');
+
+function test(name, fn){
+  try {
+    fn();
+  } catch (err) {
+    console.log('    \x1b[31m%s', name);
+    console.log('    %s\x1b[0m', err.stack);
+    return;
+  }
+  console.log('  √ \x1b[32m%s\x1b[0m', name);
+}
+
+function Point(x, y) {
+  this.x = x;
+  this.y = y;
+  this.sub = function(other){
+    return new Point(
+        this.x - other.x
+      , this.y - other.y);
+  }
+}
+
+console.log();
+
+test('new Point(x, y)', function(){
+  var point = new Point(50, 100);
+  point.should.be.an.instanceof(Point);
+  point.should.have.property('x', 50);
+  point.should.have.property('y', 100);
+});
+
+test('Point#sub()', function(){
+  var a = new Point(50, 100)
+    , b = new Point(20, 50);
+  a.sub(b).should.be.an.instanceof(Point);
+  a.sub(b).should.not.equal(a);
+  a.sub(b).should.not.equal(b);
+  a.sub(b).should.have.property('x', 30);
+  a.sub(b).should.have.property('y', 50);
+});
+
+test('Point#add()', function(){
+  var point = new Point(50, 100);
+  point.should.respondTo('add');
+});
+
+console.log();

index.js

@@ -1,2 +1,2 @@
 
-module.exports = require('./lib');
+module.exports = require('./lib/should');