public void GetCookieToken_CookieIsInvalid_PropagatesException()
        {
            // Arrange
            Mock<HttpContextBase> mockHttpContext = new Mock<HttpContextBase>();
            mockHttpContext.Setup(o => o.Request.Cookies).Returns(new HttpCookieCollection()
            {
                new HttpCookie("cookie-name", "invalid-value")
            });

            MockAntiForgeryConfig config = new MockAntiForgeryConfig()
            {
                CookieName = "cookie-name"
            };

            HttpAntiForgeryException expectedException = new HttpAntiForgeryException("some exception");
            Mock<MockableAntiForgeryTokenSerializer> mockSerializer = new Mock<MockableAntiForgeryTokenSerializer>();
            mockSerializer.Setup(o => o.Deserialize("invalid-value")).Throws(expectedException);

            AntiForgeryTokenStore tokenStore = new AntiForgeryTokenStore(
                config: config,
                serializer: mockSerializer.Object);

            // Act & assert
            var ex = Assert.Throws<HttpAntiForgeryException>(() => tokenStore.GetCookieToken(mockHttpContext.Object));
            Assert.Equal(expectedException, ex);
        }
        public void GetFormToken_FormFieldIsInvalid_PropagatesException()
        {
            // Arrange
            Mock<HttpContextBase> mockHttpContext = new Mock<HttpContextBase>();
            mockHttpContext.Setup(o => o.Request.Form.Get("form-field-name")).Returns("invalid-value");

            MockAntiForgeryConfig config = new MockAntiForgeryConfig()
            {
                FormFieldName = "form-field-name"
            };

            HttpAntiForgeryException expectedException = new HttpAntiForgeryException("some exception");
            Mock<MockableAntiForgeryTokenSerializer> mockSerializer = new Mock<MockableAntiForgeryTokenSerializer>();
            mockSerializer.Setup(o => o.Deserialize("invalid-value")).Throws(expectedException);

            AntiForgeryTokenStore tokenStore = new AntiForgeryTokenStore(
                config: config,
                serializer: mockSerializer.Object);

            // Act & assert
            var ex = Assert.Throws<HttpAntiForgeryException>(() => tokenStore.GetFormToken(mockHttpContext.Object));
            Assert.Same(expectedException, ex);
        }