public void ToString_should_return_NULL_when_expected_value_is_null()
        {
            var validator = new EqualityArgumentConstraint(null);

            Assert.That(validator.ToString(), Is.EqualTo("<NULL>"));
        }
        public void ToString_should_return_NULL_when_expected_value_is_null()
        {
            var validator = new EqualityArgumentConstraint(null);

            validator.ToString().Should().Be("<NULL>");
        }
        public void ToString_should_put_accents_when_expected_value_is_string()
        {
            var validator = new EqualityArgumentConstraint("foo");

            Assert.That(validator.ToString(), Is.EqualTo("\"foo\""));
        }
        public void ToString_should_put_accents_when_expected_value_is_string()
        {
            var validator = new EqualityArgumentConstraint("foo");

            validator.ToString().Should().Be("\"foo\"");
        }