//
// Pkcs9SigningTimeTest.cs - NUnit tests for Pkcs9SigningTime
//
// Author:
//	Sebastien Pouliot  <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//


using NUnit.Framework;

using System;
using System.Collections;
using System.Security.Cryptography;
using System.Security.Cryptography.Pkcs;
using System.Text;

namespace MonoTests.System.Security.Cryptography.Pkcs {

	[TestFixture]
	public class Pkcs9SigningTimeTest {

		static string signingTimeOid = "1.2.840.113549.1.9.5";
		static string signingTimeName = "Signing Time";
		static DateTime mono10release = new DateTime (632241648000000000);

		[Test]
		public void DateTime_Mono10Release ()
		{
			// some tests fails if the assumption fails
			Assert.AreEqual ("040630040000Z", mono10release.ToString ("yyMMddhhmmssZ"), "Z");
		}

		[Test]
		public void Constructor_Empty () 
		{
			Pkcs9SigningTime st = new Pkcs9SigningTime ();
			Assert.AreEqual (signingTimeName, st.Oid.FriendlyName, "Oid.FriendlyName");
			Assert.AreEqual (signingTimeOid, st.Oid.Value, "Oid.Value");
			Assert.AreEqual (15, st.RawData.Length, "RawData.Length");
			Assert.AreEqual (BitConverter.ToString (st.RawData).ToLower ().Replace ("-", " "), st.Format (true), "Format(true)");
			Assert.AreEqual (BitConverter.ToString (st.RawData).ToLower ().Replace ("-", " "), st.Format (false), "Format(false)");
		}

		[Test]
		public void Constructor_DateTime_Now () 
		{
			Pkcs9SigningTime st = new Pkcs9SigningTime (DateTime.UtcNow);
			Assert.AreEqual (signingTimeName, st.Oid.FriendlyName, "Oid.FriendlyName");
			Assert.AreEqual (signingTimeOid, st.Oid.Value, "Oid.Value");
			Assert.AreEqual (15, st.RawData.Length, "RawData.Length");
			Assert.AreEqual (BitConverter.ToString (st.RawData).ToLower ().Replace ("-", " "), st.Format (true), "Format(true)");
			Assert.AreEqual (BitConverter.ToString (st.RawData).ToLower ().Replace ("-", " "), st.Format (false), "Format(false)");
		}

		[Test]
		[ExpectedException (typeof (ArgumentOutOfRangeException))]
		public void Constructor_DateTime_MinValue () 
		{
			Pkcs9SigningTime st = new Pkcs9SigningTime (DateTime.MinValue);
		}

		[Test]
		[ExpectedException (typeof (ArgumentOutOfRangeException))]
		public void Constructor_DateTime_1600 ()
		{
			DateTime dt = new DateTime (1600, 12, 31, 11, 59, 59);
			Pkcs9SigningTime st = new Pkcs9SigningTime (dt);
		}

		[Test]
		[ExpectedException (typeof (CryptographicException))]
		public void Constructor_DateTime_1601 ()
		{
			DateTime dt = new DateTime (1601, 01, 01, 00, 00, 00);
			Pkcs9SigningTime st = new Pkcs9SigningTime (dt);
		}

		[Test]
		[ExpectedException (typeof (CryptographicException))]
		public void Constructor_DateTime_MaxValue ()
		{
			Pkcs9SigningTime st = new Pkcs9SigningTime (DateTime.MaxValue);
		}

		[Test]
		[ExpectedException (typeof (CryptographicException))]
		public void Constructor_DateTime_Before1950 ()
		{
			DateTime dt = new DateTime (1949, 12, 31, 11, 59, 59);
			// UTCTIME (0x17), i.e. 2 digits years, limited to 1950-2050
			Pkcs9SigningTime st = new Pkcs9SigningTime (dt);
		}

		[Test]
		public void Constructor_DateTime_After1950 ()
		{
			DateTime dt = new DateTime (1950, 01, 01, 00, 00, 00);
			// UTCTIME (0x17), i.e. 2 digits years, limited to 1950-2050
			Pkcs9SigningTime st = new Pkcs9SigningTime (dt);
			Assert.AreEqual (signingTimeName, st.Oid.FriendlyName, "Oid.FriendlyName");
			Assert.AreEqual (signingTimeOid, st.Oid.Value, "Oid.Value");
			Assert.AreEqual (15, st.RawData.Length, "RawData.Length");
			Assert.AreEqual ("17-0D-35-30-30-31-30-31-30-30-30-30-30-30-5A", BitConverter.ToString (st.RawData));
			Assert.AreEqual (dt, st.SigningTime, "st.SigningTime");
			Assert.AreEqual ("17 0d 35 30 30 31 30 31 30 30 30 30 30 30 5a", st.Format (true), "Format(true)");
			Assert.AreEqual ("17 0d 35 30 30 31 30 31 30 30 30 30 30 30 5a", st.Format (false), "Format(false)");
		}

		[Test]
		public void Constructor_DateTime_Before2050 ()
		{
			DateTime dt = new DateTime (2049, 12, 31, 11, 59, 59);
			// up to 2050 encoding should stay with UTCTIME (0x17), i.e. 2 digits years
			Pkcs9SigningTime st = new Pkcs9SigningTime (dt);
			Assert.AreEqual (signingTimeName, st.Oid.FriendlyName, "Oid.FriendlyName");
			Assert.AreEqual (signingTimeOid, st.Oid.Value, "Oid.Value");
			Assert.AreEqual (15, st.RawData.Length, "RawData.Length");
			Assert.AreEqual ("17-0D-34-39-31-32-33-31-31-31-35-39-35-39-5A", BitConverter.ToString (st.RawData));
			Assert.AreEqual (dt, st.SigningTime, "st.SigningTime");
			Assert.AreEqual ("17 0d 34 39 31 32 33 31 31 31 35 39 35 39 5a", st.Format (true), "Format(true)");
			Assert.AreEqual ("17 0d 34 39 31 32 33 31 31 31 35 39 35 39 5a", st.Format (false), "Format(false)");
		}

		[Test]
		[ExpectedException (typeof (CryptographicException))]
		public void Constructor_DateTime_After2050 ()
		{
			DateTime dt = new DateTime (2050, 01, 01, 00, 00, 00);
			// in 2050 encoding should switch to GENERALIZEDTIME (0x18), i.e. 4 digits years
			Pkcs9SigningTime st = new Pkcs9SigningTime (dt);
		}

		[Test]
		public void Constructor_DateTime ()
		{
			Pkcs9SigningTime st = new Pkcs9SigningTime (mono10release);
			Assert.AreEqual (signingTimeName, st.Oid.FriendlyName, "Oid.FriendlyName");
			Assert.AreEqual (signingTimeOid, st.Oid.Value, "Oid.Value");
			Assert.AreEqual (15, st.RawData.Length, "RawData.Length");
			Assert.AreEqual ("17-0D-30-34-30-36-33-30-30-34-30-30-30-30-5A", BitConverter.ToString (st.RawData), "RawData");
			Assert.AreEqual (mono10release, st.SigningTime, "st.SigningTime");
			Assert.AreEqual ("17 0d 30 34 30 36 33 30 30 34 30 30 30 30 5a", st.Format (true), "Format(true)");
			Assert.AreEqual ("17 0d 30 34 30 36 33 30 30 34 30 30 30 30 5a", st.Format (false), "Format(false)");
		}

		[Test]
		public void Constructor_Bytes () 
		{
			byte[] date = new byte [15] { 0x17, 0x0D, 0x30, 0x34, 0x30, 0x36, 0x33, 0x30, 0x30, 0x34, 0x30, 0x30, 0x30, 0x30, 0x5A };
			Pkcs9SigningTime st = new Pkcs9SigningTime (date);
			Assert.AreEqual (signingTimeName, st.Oid.FriendlyName, "Oid.FriendlyName");
			Assert.AreEqual (signingTimeOid, st.Oid.Value, "Oid.Value");
			Assert.AreEqual (15, st.RawData.Length, "RawData.Length");
			Assert.AreEqual ("17-0D-30-34-30-36-33-30-30-34-30-30-30-30-5A", BitConverter.ToString (st.RawData), "RawData");
			Assert.AreEqual (mono10release, st.SigningTime, "st.SigningTime");
			Assert.AreEqual ("17 0d 30 34 30 36 33 30 30 34 30 30 30 30 5a", st.Format (true), "Format(true)");
			Assert.AreEqual ("17 0d 30 34 30 36 33 30 30 34 30 30 30 30 5a", st.Format (false), "Format(false)");
		}

		[Test]
		[ExpectedException (typeof (ArgumentNullException))]
		public void Constructor_Bytes_Null ()
		{
			Pkcs9SigningTime st = new Pkcs9SigningTime (null);
		}

		[Test]
//		[Ignore ("MS returns bad results (original time) - Mono needs to override CopyFrom to fix")]
		// http://lab.msdn.microsoft.com/ProductFeedback/viewfeedback.aspx?feedbackid=66943396-ad73-497f-82ae-090b87ffcb4e
		public void CopyFrom () 
		{
			Pkcs9SigningTime st1 = new Pkcs9SigningTime (mono10release);
			Pkcs9SigningTime st2 = new Pkcs9SigningTime (DateTime.UtcNow);
			st1.CopyFrom (st2);
			Assert.AreEqual (st2.Oid.FriendlyName, st1.Oid.FriendlyName, "Oid.FriendlyName");
			Assert.AreEqual (st2.Oid.Value, st1.Oid.Value, "Oid.Value");
			Assert.AreEqual (BitConverter.ToString (st2.RawData), BitConverter.ToString (st1.RawData), "RawData");
			// Note: Some timing resolution is lost by goind to ASN.1
			Assert.AreEqual (st2.SigningTime.ToString (), st1.SigningTime.ToString (), "SigningTime");
		}

		[Test]
		[ExpectedException (typeof (ArgumentNullException))]
		public void CopyFrom_Null ()
		{
			new Pkcs9SigningTime (mono10release).CopyFrom (null);
		}

		[Test]
//		[Ignore ("MS doesn't throw but returns bad results - Mono needs to override CopyFrom to fix")]
		// http://lab.msdn.microsoft.com/ProductFeedback/viewfeedback.aspx?feedbackid=66943396-ad73-497f-82ae-090b87ffcb4e
		[ExpectedException (typeof (CryptographicException))]
		public void CopyFrom_Bad ()
		{
			Pkcs9SigningTime st = new Pkcs9SigningTime (mono10release);
			Pkcs9DocumentName dn = new Pkcs9DocumentName ("Mono");
			st.CopyFrom (dn);
			Assert.AreEqual (dn.Oid.FriendlyName, st.Oid.FriendlyName, "Oid.FriendlyName");
			Assert.AreEqual (dn.Oid.Value, st.Oid.Value, "Oid.Value");
			Assert.AreEqual (BitConverter.ToString (dn.RawData), BitConverter.ToString (st.RawData), "RawData");
			// wrong ASN.1
			Assert.AreEqual (mono10release, st.SigningTime, "SigningTime");
		}
	}
}