public void ModelBaseCollection_MultiFieldValidation()
        {
            var person = new SimplePersonCollection();

            person.FirstName = "Tom";
            person.LastName  = "Tom";
            var errors = person.GetErrors("FirstName");

            Assert.AreEqual(1, errors.Count);
            Assert.IsTrue(errors[0].MemberNames.Contains("FirstName"));
            Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));

            errors = person.GetErrors("LastName");
            Assert.AreEqual(1, errors.Count);
            Assert.IsTrue(errors[0].MemberNames.Contains("LastName"));
            Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));

            errors = person.GetErrors();
            Assert.AreEqual(1, errors.Count);
            Assert.IsTrue(errors[0].MemberNames.Contains("FirstName"));
            Assert.IsTrue(errors[0].MemberNames.Contains("LastName"));
            Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));

#if !WINDOWS_UWP
            var interfacePerson = (IDataErrorInfo)person;
            Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson.Error));
            Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson["FirstName"]));
            Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson["LastName"]));
#endif
        }
        public void ModelBaseCollection_ValidationTest()
        {
            using (var verify = new Verify())
            {
                var person      = new SimplePersonCollection();
                var eventAssert = new PropertyChangedEventTest(verify, person);

                person.Validate();
                Assert.IsTrue(person.HasErrors);
                eventAssert.ExpectEvent("HasErrors");
                var errors = person.GetErrors("FirstName");
                Assert.AreEqual(1, errors.Count);

                person.FirstName = "John";
                Assert.IsFalse(person.HasErrors);
                eventAssert.ExpectEvent("FirstName");
                eventAssert.ExpectEvent("FullName");
                eventAssert.ExpectEvent("HasErrors");

                var errors2 = person.GetErrors("FirstName");
                Assert.AreEqual(0, errors2.Count);
            }
        }
        public void ModelBaseCollection_BasicValidation()
        {
            var person = new SimplePersonCollection();

            Assert.IsFalse(person.HasErrors);
            var errors = person.GetErrors();

            Assert.AreEqual(0, errors.Count);
            errors = person.GetErrors("");
            Assert.AreEqual(0, errors.Count);
            errors = person.GetErrors(null);
            Assert.AreEqual(0, errors.Count);

            person.Validate();

            Assert.IsTrue(person.HasErrors);
            errors = person.GetErrors();
            Assert.AreEqual(0, errors.Count);

            errors = person.GetErrors("FirstName");
            Assert.AreEqual(1, errors.Count);
            Assert.AreEqual("FirstName", errors[0].MemberNames.First());
            Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));

#if !WINDOWS_UWP
            var interfacePerson = (IDataErrorInfo)person;
            Assert.IsFalse(!string.IsNullOrEmpty(interfacePerson.Error));
            Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson["FirstName"]));
#endif
            person.FirstName = "Tom";
            Assert.IsFalse(person.HasErrors);
            errors = person.GetErrors();
            Assert.AreEqual(0, errors.Count);

            errors = person.GetErrors("FirstName");
            Assert.AreEqual(0, errors.Count);

#if !WINDOWS_UWP
            Assert.IsFalse(!string.IsNullOrEmpty(interfacePerson.Error));
            Assert.IsFalse(!string.IsNullOrEmpty(interfacePerson["FirstName"]));
#endif
        }
        public void ModelBaseCollection_ValidationTest2()
        {
            using (var verify = new Verify())
            {
                var person = new SimplePersonCollection();
                var eventAssert = new PropertyChangedEventTest(verify, person);

                person.Validate();
                Assert.IsTrue(person.HasErrors);
                eventAssert.ExpectEvent("HasErrors");
                var errors = person.GetErrors("FirstName");
                Assert.AreEqual(1, errors.Count);

                person.ClearErrors();
                Assert.IsFalse(person.HasErrors);
                eventAssert.ExpectEvent("HasErrors");
                var errors2 = person.GetErrors("FirstName");
                Assert.AreEqual(0, errors2.Count);

                person.ClearErrors();
                Assert.IsFalse(person.HasErrors);
                eventAssert.ExpectNothing();

            }
        }
        public void ModelBaseCollection_MultiFieldValidation()
        {
            var person = new SimplePersonCollection();
            person.FirstName = "Tom";
            person.LastName = "Tom";
            var errors = person.GetErrors("FirstName");
            Assert.AreEqual(1, errors.Count);
            Assert.IsTrue(errors[0].MemberNames.Contains("FirstName"));
            Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));

            errors = person.GetErrors("LastName");
            Assert.AreEqual(1, errors.Count);
            Assert.IsTrue(errors[0].MemberNames.Contains("LastName"));
            Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));

            errors = person.GetErrors();
            Assert.AreEqual(1, errors.Count);
            Assert.IsTrue(errors[0].MemberNames.Contains("FirstName"));
            Assert.IsTrue(errors[0].MemberNames.Contains("LastName"));
            Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));

            #if !WINDOWS_UWP
            var interfacePerson = (IDataErrorInfo)person;
            Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson.Error));
            Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson["FirstName"]));
            Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson["LastName"]));
            #endif
        }
        public void ModelBaseCollection_BasicValidation()
        {
            var person = new SimplePersonCollection();
            Assert.IsFalse(person.HasErrors);
            var errors = person.GetErrors();
            Assert.AreEqual(0, errors.Count);
            errors = person.GetErrors("");
            Assert.AreEqual(0, errors.Count);
            errors = person.GetErrors(null);
            Assert.AreEqual(0, errors.Count);

            person.Validate();

            Assert.IsTrue(person.HasErrors);
            errors = person.GetErrors();
            Assert.AreEqual(0, errors.Count);

            errors = person.GetErrors("FirstName");
            Assert.AreEqual(1, errors.Count);
            Assert.AreEqual("FirstName", errors[0].MemberNames.First());
            Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));

            #if !WINDOWS_UWP
            var interfacePerson = (IDataErrorInfo)person;
            Assert.IsFalse(!string.IsNullOrEmpty(interfacePerson.Error));
            Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson["FirstName"]));
            #endif
            person.FirstName = "Tom";
            Assert.IsFalse(person.HasErrors);
            errors = person.GetErrors();
            Assert.AreEqual(0, errors.Count);

            errors = person.GetErrors("FirstName");
            Assert.AreEqual(0, errors.Count);

            #if !WINDOWS_UWP
            Assert.IsFalse(!string.IsNullOrEmpty(interfacePerson.Error));
            Assert.IsFalse(!string.IsNullOrEmpty(interfacePerson["FirstName"]));
            #endif
        }