diff --git a/geminstaller.yml b/geminstaller.yml
index 56267f2..d343360 100644
--- a/geminstaller.yml
+++ b/geminstaller.yml
@@ -7,7 +7,7 @@ gems:
 - name: json
   version: 1.1.9
 - name: selenium-rc
-  version: 2.1.0
+  version: 2.2.0
 - name: rack
   version: 1.0.0
 - name: thin
@@ -17,7 +17,7 @@ gems:
 - name: rspec
   version: 1.2.9
 - name: selenium-client
-  version: 1.2.17
+  version: 1.2.18
 - name: rest-client
   version: 1.0.3
 - name: saucelabs-adapter
diff --git a/lib/jasmine-0.10.0.js b/lib/jasmine-0.10.0.js
index 31e25e4..165446d 100644
--- a/lib/jasmine-0.10.0.js
+++ b/lib/jasmine-0.10.0.js
@@ -15,7 +15,7 @@ jasmine.unimplementedMethod_ = function() {
 /**
  * Use <code>jasmine.undefined</code> instead of <code>undefined</code>, since <code>undefined</code is just
  * a plain old variable and may be redefined by somebody else.
- * 
+ *
  * @private
  */
 jasmine.undefined = jasmine.___undefined___;
@@ -66,7 +66,7 @@ jasmine.ExpectationResult = function(params) {
 
   /** @deprecated */
   this.details = params.details;
-  
+
   this.message = this.passed_ ? 'Passed.' : params.message;
   this.trace = this.passed_ ? '' : new Error(this.message);
 };
@@ -350,6 +350,9 @@ jasmine.isSpy = function(putativeSpy) {
  * @param {Array} methodNames array of names of methods to make spies
  */
 jasmine.createSpyObj = function(baseName, methodNames) {
+  if (!jasmine.isArray_(methodNames) || methodNames.length == 0) {
+    throw new Error('createSpyObj requires a non-empty array of method names to create spies for');
+  }
   var obj = {};
   for (var i = 0; i < methodNames.length; i++) {
     obj[methodNames[i]] = jasmine.createSpy(baseName + '.' + methodNames[i]);
@@ -1040,7 +1043,7 @@ jasmine.Matchers.matcherFn_ = function(matcherName, matcherFunction) {
     var matcherArgs = jasmine.util.argsToArray(arguments);
     var result = matcherFunction.apply(this, arguments);
     if (this.reportWasCalled_) return result;
-    
+
     var message;
     if (!result) {
       if (this.message) {
@@ -1204,31 +1207,32 @@ jasmine.Matchers.prototype.wasNotCalled = function() {
  *
  */
 jasmine.Matchers.prototype.wasCalledWith = function() {
+  var expectedArgs = jasmine.util.argsToArray(arguments);
   if (!jasmine.isSpy(this.actual)) {
     throw new Error('Expected a spy, but got ' + jasmine.Matchers.pp(this.actual) + '.');
   }
-
   this.message = function() {
     if (this.actual.callCount == 0) {
-      return "Expected spy to have been called with " + jasmine.pp(arguments) + " but it was never called.";
+      return "Expected spy to have been called with " + jasmine.pp(expectedArgs) + " but it was never called.";
     } else {
-      return "Expected spy to have been called with " + jasmine.pp(arguments) + " but was called with " + jasmine.pp(this.actual.argsForCall);
+      return "Expected spy to have been called with " + jasmine.pp(expectedArgs) + " but was called with " + jasmine.pp(this.actual.argsForCall);
     }
   };
 
-  return this.env.contains_(this.actual.argsForCall, jasmine.util.argsToArray(arguments));
+  return this.env.contains_(this.actual.argsForCall, expectedArgs);
 };
 
 jasmine.Matchers.prototype.wasNotCalledWith = function() {
+  var expectedArgs = jasmine.util.argsToArray(arguments);
   if (!jasmine.isSpy(this.actual)) {
     throw new Error('Expected a spy, but got ' + jasmine.Matchers.pp(this.actual) + '.');
   }
 
   this.message = function() {
-    return "Expected spy not to have been called with " + jasmine.pp(arguments) + " but it was";
+    return "Expected spy not to have been called with " + jasmine.pp(expectedArgs) + " but it was";
   };
 
-  return !this.env.contains_(this.actual.argsForCall, jasmine.util.argsToArray(arguments));
+  return !this.env.contains_(this.actual.argsForCall, expectedArgs);
 };
 
 /**
@@ -2257,5 +2261,5 @@ jasmine.version_= {
   "major": 0,
   "minor": 10,
   "build": 0,
-  "revision": 1264648722
+  "revision": 1267068340
   };
diff --git a/spec/suites/MatchersSpec.js b/spec/suites/MatchersSpec.js
index 1013783..6d75859 100644
--- a/spec/suites/MatchersSpec.js
+++ b/spec/suites/MatchersSpec.js
@@ -545,6 +545,18 @@ describe("jasmine.Matchers", function() {
         expect(result.passed()).toEqual(false);
         expect(result.expected).toEqual(['c', 'b', 'a']);
         expect(result.actual.mostRecentCall.args).toEqual(['a', 'b', 'c']);
+        expect(result.message).toContain(jasmine.pp(result.expected));
+        expect(result.message).toContain(jasmine.pp(result.actual.mostRecentCall.args));
+      });
+
+      it('should return false if it was not called', function() {
+        var expected = match(TestClass.spyFunction);
+        expect(expected.wasCalledWith('c', 'b', 'a')).toEqual(false);
+        var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
+        expect(result.passed()).toEqual(false);
+        expect(result.expected).toEqual(['c', 'b', 'a']);
+        expect(result.actual.argsForCall).toEqual([]);
+        expect(result.message).toContain(jasmine.pp(result.expected));
       });
 
       it('should allow matches across multiple calls', function() {
@@ -578,12 +590,48 @@ describe("jasmine.Matchers", function() {
           var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
           expect(result.matcherName).toEqual("wasCalledWith");
           expect(result.passed()).toEqual(false);
-          expect(result.message).toMatch("['a', 'b']");
-          expect(result.message).toMatch("['a', 'c']");
+          expect(result.message).toContain(jasmine.pp(['a', 'b']));
+          expect(result.message).toContain(jasmine.pp(['a', 'c']));
           expect(result.actual).toEqual(TestClass.someFunction);
           expect(result.expected).toEqual(['a','b']);
         });
       });
     });
+
+    describe("wasNotCalledWith", function() {
+      it('should return true if the spy was NOT called with the expected args', function() {
+        TestClass.spyFunction('a', 'b', 'c');
+        expect(match(TestClass.spyFunction).wasNotCalledWith('c', 'b', 'a')).toEqual(true);
+      });
+
+      it('should return false if it WAS called with the expected args', function() {
+        TestClass.spyFunction('a', 'b', 'c');
+        var expected = match(TestClass.spyFunction);
+        expect(expected.wasNotCalledWith('a', 'b', 'c')).toEqual(false);
+        var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
+        expect(result.passed()).toEqual(false);
+        expect(result.expected).toEqual(['a', 'b', 'c']);
+        expect(result.actual.mostRecentCall.args).toEqual(['a', 'b', 'c']);
+        expect(result.message).toContain(jasmine.pp(result.expected));
+      });
+
+      it('should return true if it was not called', function() {
+        var expected = match(TestClass.spyFunction);
+        expect(expected.wasNotCalledWith('c', 'b', 'a')).toEqual(true);
+       });
+
+      it('should allow matches across multiple calls', function() {
+        var expected = match(TestClass.spyFunction);
+        TestClass.spyFunction('a', 'b', 'c');
+        TestClass.spyFunction('d', 'e', 'f');
+        expect(expected.wasNotCalledWith('a', 'b', 'c')).toEqual(false);
+        expect(expected.wasNotCalledWith('d', 'e', 'f')).toEqual(false);
+        expect(expected.wasNotCalledWith('x', 'y', 'z')).toEqual(true);
+      });
+
+      it('should throw an exception when invoked on a non-spy', shouldThrowAnExceptionWhenInvokedOnANonSpy('wasNotCalledWith'));
+
+    });
+
   });
 });
diff --git a/spec/suites/SpySpec.js b/spec/suites/SpySpec.js
index 37dd04f..60d7c25 100644
--- a/spec/suites/SpySpec.js
+++ b/spec/suites/SpySpec.js
@@ -177,11 +177,25 @@ describe('Spies', function () {
     expect(TestClass.someFunction.callCount).toEqual(0);
   });
 
-  it("should create an object with a bunch of spy methods when you call jasmine.createSpyObj()", function() {
-    var spyObj = jasmine.createSpyObj('BaseName', ['method1', 'method2']);
-    expect(spyObj).toEqual({ method1: jasmine.any(Function), method2: jasmine.any(Function)});
-    expect(spyObj.method1.identity).toEqual('BaseName.method1');
-    expect(spyObj.method2.identity).toEqual('BaseName.method2');
+  describe("createSpyObj", function() {
+    it("should create an object with a bunch of spy methods when you call jasmine.createSpyObj()", function() {
+      var spyObj = jasmine.createSpyObj('BaseName', ['method1', 'method2']);
+      expect(spyObj).toEqual({ method1: jasmine.any(Function), method2: jasmine.any(Function)});
+      expect(spyObj.method1.identity).toEqual('BaseName.method1');
+      expect(spyObj.method2.identity).toEqual('BaseName.method2');
+    });
+
+    it("should throw if you do not pass an array argument", function() {
+      expect(function() {
+        jasmine.createSpyObj('BaseName');
+      }).toThrow('createSpyObj requires a non-empty array of method names to create spies for');
+    });
+
+    it("should throw if you pass an empty array argument", function() {
+      expect(function() {
+        jasmine.createSpyObj('BaseName');
+      }).toThrow('createSpyObj requires a non-empty array of method names to create spies for');
+    });
   });
 
 });
diff --git a/src/Matchers.js b/src/Matchers.js
index 43ffd58..ca51e01 100644
--- a/src/Matchers.js
+++ b/src/Matchers.js
@@ -42,7 +42,7 @@ jasmine.Matchers.matcherFn_ = function(matcherName, matcherFunction) {
     var matcherArgs = jasmine.util.argsToArray(arguments);
     var result = matcherFunction.apply(this, arguments);
     if (this.reportWasCalled_) return result;
-    
+
     var message;
     if (!result) {
       if (this.message) {
@@ -206,31 +206,32 @@ jasmine.Matchers.prototype.wasNotCalled = function() {
  *
  */
 jasmine.Matchers.prototype.wasCalledWith = function() {
+  var expectedArgs = jasmine.util.argsToArray(arguments);
   if (!jasmine.isSpy(this.actual)) {
     throw new Error('Expected a spy, but got ' + jasmine.Matchers.pp(this.actual) + '.');
   }
-
   this.message = function() {
     if (this.actual.callCount == 0) {
-      return "Expected spy to have been called with " + jasmine.pp(arguments) + " but it was never called.";
+      return "Expected spy to have been called with " + jasmine.pp(expectedArgs) + " but it was never called.";
     } else {
-      return "Expected spy to have been called with " + jasmine.pp(arguments) + " but was called with " + jasmine.pp(this.actual.argsForCall);
+      return "Expected spy to have been called with " + jasmine.pp(expectedArgs) + " but was called with " + jasmine.pp(this.actual.argsForCall);
     }
   };
 
-  return this.env.contains_(this.actual.argsForCall, jasmine.util.argsToArray(arguments));
+  return this.env.contains_(this.actual.argsForCall, expectedArgs);
 };
 
 jasmine.Matchers.prototype.wasNotCalledWith = function() {
+  var expectedArgs = jasmine.util.argsToArray(arguments);
   if (!jasmine.isSpy(this.actual)) {
     throw new Error('Expected a spy, but got ' + jasmine.Matchers.pp(this.actual) + '.');
   }
 
   this.message = function() {
-    return "Expected spy not to have been called with " + jasmine.pp(arguments) + " but it was";
+    return "Expected spy not to have been called with " + jasmine.pp(expectedArgs) + " but it was";
   };
 
-  return !this.env.contains_(this.actual.argsForCall, jasmine.util.argsToArray(arguments));
+  return !this.env.contains_(this.actual.argsForCall, expectedArgs);
 };
 
 /**
diff --git a/src/base.js b/src/base.js
index 391412f..a13a676 100755
--- a/src/base.js
+++ b/src/base.js
@@ -15,7 +15,7 @@ jasmine.unimplementedMethod_ = function() {
 /**
  * Use <code>jasmine.undefined</code> instead of <code>undefined</code>, since <code>undefined</code is just
  * a plain old variable and may be redefined by somebody else.
- * 
+ *
  * @private
  */
 jasmine.undefined = jasmine.___undefined___;
@@ -66,7 +66,7 @@ jasmine.ExpectationResult = function(params) {
 
   /** @deprecated */
   this.details = params.details;
-  
+
   this.message = this.passed_ ? 'Passed.' : params.message;
   this.trace = this.passed_ ? '' : new Error(this.message);
 };
@@ -350,6 +350,9 @@ jasmine.isSpy = function(putativeSpy) {
  * @param {Array} methodNames array of names of methods to make spies
  */
 jasmine.createSpyObj = function(baseName, methodNames) {
+  if (!jasmine.isArray_(methodNames) || methodNames.length == 0) {
+    throw new Error('createSpyObj requires a non-empty array of method names to create spies for');
+  }
   var obj = {};
   for (var i = 0; i < methodNames.length; i++) {
     obj[methodNames[i]] = jasmine.createSpy(baseName + '.' + methodNames[i]);