条件测试
测试一个特定条件的方法因他们测试的条件而命名,这些方法测试并把测试的值作为他们的第一个参数以及把一个消息作为第二个参数,第二个参数是可选的。本文提供了下面的方法:
Assert.IsTrue( bool condition ); Assert.IsTrue( bool condition, string message ); Assert.IsTrue( bool condition, string message, object[] parms ); Assert.IsFalse( bool condition); Assert.IsFalse( bool condition, string message ); Assert.IsFalse( bool condition, string message, object[] parms ); Assert.IsNull( object anObject ); Assert.IsNull( object anObject, string message ); Assert.IsNull( object anObject, string message, object[] parms ); Assert.IsNotNull( object anObject ); Assert.IsNotNull( object anObject, string message ); Assert.IsNotNull( object anObject, string message, object[] parms ); Assert.IsNaN( double aDouble ); Assert.IsNaN( double aDouble, string message ); Assert.IsNaN( double aDouble, string message, object[] parms ); Assert.IsEmpty( string aString ); Assert.IsEmpty( string aString, string message ); Assert.IsEmpty( string aString, string message, params object[] args ); Assert.IsNotEmpty( string aString ); Assert.IsNotEmpty( string aString, string message ); Assert.IsNotEmpty( string aString, string message, params object[] args ); Assert.IsEmpty( ICollection collection ); Assert.IsEmpty( ICollection collection, string message ); Assert.IsEmpty( ICollection collection, string message, params object[] args ); Assert.IsNotEmpty( ICollection collection ); Assert.IsNotEmpty( ICollection collection, string message ); Assert.IsNotEmpty( ICollection collection, string message, params object[] args );
注意Assert.IsEmpty和Assert.IsNotEmpty可以用来测试一个字符串或一个集合。