C# (CSharp) System.ComponentModel.DataAnnotations MinAttribute.IsValid示例

IsValid() public method

Determines whether the specified value of the object is valid.

public IsValid ( object value ) : bool
value	object	The value of the object to validate.
return	bool

示例#1

文件： MinAttributeTests.cs 项目： spib/DataAnnotationsExtensions

        public void IsValidIntegerTests()
        {
            const int min = 42;
            var attribute = new MinAttribute(min);

            Assert.IsTrue(attribute.IsValid(null));  // Optional values are always valid
            Assert.IsTrue(attribute.IsValid("42"));
            Assert.IsTrue(attribute.IsValid(42.5));
            Assert.IsTrue(attribute.IsValid("50"));
            Assert.IsTrue(attribute.IsValid(100));
            Assert.IsTrue(attribute.IsValid("10000000000"));
            Assert.IsFalse(attribute.IsValid("41"));
            Assert.IsFalse(attribute.IsValid("10"));
            Assert.IsFalse(attribute.IsValid(0));
            Assert.IsFalse(attribute.IsValid("-1"));
            Assert.IsFalse(attribute.IsValid(-50));
            Assert.IsFalse(attribute.IsValid("fifty"));
        }

示例#2

文件： MinAttributeTests.cs 项目： spib/DataAnnotationsExtensions

        public void IsValidDoubleTests()
        {
            const double min = 3.50f;

            var attribute = new MinAttribute(min);

            Assert.IsTrue(attribute.IsValid(null));  // Optional values are always valid
            Assert.IsTrue(attribute.IsValid("4"));
            Assert.IsTrue(attribute.IsValid("4.5"));
            Assert.IsTrue(attribute.IsValid(100));
            Assert.IsTrue(attribute.IsValid("100.42"));
            Assert.IsFalse(attribute.IsValid(3));
            Assert.IsFalse(attribute.IsValid("3.498"));
            Assert.IsFalse(attribute.IsValid("-5"));
            Assert.IsFalse(attribute.IsValid("INVALID STRING"));
        }