Beispiel #1
0
        public void When_checking_default_value_of_different_types()
        {
            int integer = 0;

            integer.IsDefault().ShouldBeTrue();

            integer = -1;
            integer.IsDefault().ShouldBeFalse();

            integer = 1;
            integer.IsDefault().ShouldBeFalse();

            integer = 0;
            integer.IsDefault().ShouldBeTrue();


            double doubleNo = 0;

            doubleNo.IsDefault().ShouldBeTrue();

            doubleNo = -1.1d;
            doubleNo.IsDefault().ShouldBeFalse();

            doubleNo = double.NaN;
            doubleNo.IsDefault().ShouldBeFalse();

            doubleNo = double.NegativeInfinity;
            doubleNo.IsDefault().ShouldBeFalse();

            doubleNo = double.MinValue;
            doubleNo.IsDefault().ShouldBeFalse();

            doubleNo = 0d;
            doubleNo.IsDefault().ShouldBeTrue();

            TimeSpan someTimeSpan = default(TimeSpan);

            someTimeSpan.IsDefault().ShouldBeTrue();

            someTimeSpan = someTimeSpan.Add(1.Seconds());
            someTimeSpan.IsDefault().ShouldBeFalse();

            someTimeSpan = 1.Days();
            someTimeSpan.IsDefault().ShouldBeFalse();

            DateTime someTime = default(DateTime);

            someTime.IsDefault().ShouldBeTrue();

            someTime = someTime.AddTicks(1);
            someTime.IsDefault().ShouldBeFalse();

            false.IsDefault().ShouldBeTrue();

            true.IsDefault().ShouldBeFalse();

            ((string)null).IsDefault().ShouldBeTrue();

            var someString = string.Empty;

            someString.IsDefault().ShouldBeFalse();

            someString = "ABC";
            someString.IsDefault().ShouldBeFalse();

            ((MyClass)null).IsDefault().ShouldBeTrue();

            var someClass = new MyClass(1);

            someClass.IsDefault().ShouldBeFalse();

            var someStruct = new MyStruct();

            someStruct.IsDefault().ShouldBeTrue();

            someStruct = new MyStruct(1);
            someStruct.IsDefault().ShouldBeFalse();

            someStruct = new MyStruct();
            someStruct.IsDefault().ShouldBeTrue();
        }