Add more bad shim tests.

test/index.html

@@ -17,7 +17,16 @@
 		<div id="qunit"></div>
 		<div id="exports"></div>
 		<script>
-			// set a bad shim
+			// set bad shims
+			Array._isArray = Array.isArray;
+			Array.isArray = function() { return false; };
+
+			Function.prototype._bind = Function.prototype.bind;
+			Function.prototype.bind = function() { return function() {}; };
+
+			Object._defineProperty = Object.defineProperty;
+			Object.defineProperty = function() {};
+
 			Object._keys = Object.keys;
 			Object.keys = function() { return []; };
 
@@ -28,7 +37,16 @@
 			// store Lo-Dash to test for bad shim detection
 			var lodashBadShim = window._;
 
-			// restore nativeKeys
+			// restore native methods
+			Array.isArray = Array._isArray;
+			delete Array._isArray;
+
+			Function.prototype.bind = Function.prototype._bind;
+			delete Function.prototype._bind;
+
+			Object.defineProperty = Object._defineProperty;
+			delete Object._defineProperty;
+
 			Object.keys = Object._keys;
 			delete Object._keys;
 

test/test.js

@@ -255,10 +255,30 @@
     });
 
     test('avoids overwritten native methods', function() {
+      function message(methodName) {
+        return '`_.' + methodName + '` should avoid overwritten native methods';
+      }
+
+      var object = { 'a': true };
+
       if (document) {
-        notDeepEqual(lodashBadShim.keys({ 'a': 1 }), []);
-      } else {
-        skipTest();
+        try {
+          var actual = lodashBadShim.bind(function() { return this.a; }, object)();
+        } catch(e) { }
+        ok(actual, message('bind'));
+
+        try {
+          actual = lodashBadShim.isArray([]);
+        } catch(e) { }
+        ok(actual, message('isArray'));
+
+        try {
+          actual = lodashBadShim.keys(object);
+        } catch(e) { }
+        deepEqual(actual, ['a'], message('keys'));
+      }
+      else {
+        skipTest(3);
       }
     });
   }());
@@ -4437,7 +4457,7 @@
         _.forEach(falsey, function(value, index) {
           try {
             actual.push(index ? func(value) : func());
-          } catch(e) { console.log(e)}
+          } catch(e) { }
         });
 
         deepEqual(actual, expected);