Added another overload for ChangePassword that takes old password.

MvcMembership.Tests/PasswordServiceFacts.cs

@@ -80,5 +80,30 @@ public void ChangePassword_throws_MembershipPasswordException_if_password_wasnt_
 			//act
 			Assert.Throws<MembershipPasswordException>(() => _membershipWrapper.ChangePassword(_user.Object, "New Password"));
 		}
+
+		[Fact]
+		public void ChangePassword_with_old_password_supplied_changes_password()
+		{
+			//arrange
+			const string oldPassword = "Foo Bar";
+			const string newPassword = "Lorem ipsum dolor.";
+			_user.Setup(x => x.ChangePassword(oldPassword, newPassword)).Returns(true);
+
+			//act
+			_membershipWrapper.ChangePassword(_user.Object, oldPassword, newPassword);
+
+			//assert
+			_user.Verify(x => x.ChangePassword(oldPassword, newPassword));
+		}
+
+		[Fact]
+		public void ChangePassword_with_old_password_supplied_throws_MembershipPasswordException_if_password_wasnt_changed()
+		{
+			//arrange
+			_user.Setup(x => x.ChangePassword(It.IsAny<string>(), It.IsAny<string>())).Returns(false);
+
+			//act
+			Assert.Throws<MembershipPasswordException>(() => _membershipWrapper.ChangePassword(_user.Object, "Old Password", "New Password"));
+		}
 	}
 }

MvcMembership/AspNetMembershipProviderWrapper.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Web.Security;
 using PagedList;
 
@@ -37,6 +38,12 @@ public void ChangePassword(MembershipUser user, string newPassword)
 				throw new MembershipPasswordException("Could not change password.");
 		}
 
+		public void ChangePassword(MembershipUser user, string oldPassword, string newPassword)
+		{
+			if (!user.ChangePassword(oldPassword, newPassword))
+				throw new MembershipPasswordException("Could not change password.");
+		}
+
 		#endregion
 
 		#region IUserService Members

MvcMembership/IPasswordService.cs

@@ -8,5 +8,6 @@ public interface IPasswordService
 		string ResetPassword(MembershipUser user);
 		string ResetPassword(MembershipUser user, string passwordAnswer);
 		void ChangePassword(MembershipUser user, string newPassword);
+		void ChangePassword(MembershipUser user, string oldPassword, string newPassword);
 	}
 }