NPOI/test/NPOI.TestCases/HSSF/UserModel/TestSanityChecker.cs

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   this work for Additional information regarding copyright ownership.
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   (the "License"); you may not use this file except in compliance with
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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
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namespace TestCases.HSSF.UserModel
{
    using System;
    using System.Collections;
    using NPOI.HSSF.UserModel;
    using NUnit.Framework;
    using System.Threading;
    using NPOI.HSSF.Record;

    /**
     * A Test case for a Test utility class.<br/>
     * Okay, this may seem strange but I need to Test my Test logic.
     *
     * @author Glen Stampoultzis (glens at apache.org)
     */
    [TestFixture]
    public class TestSanityChecker
    {
        private static Record INTERFACEHDR = new InterfaceHdrRecord(InterfaceHdrRecord.CODEPAGE);
        private static BoundSheetRecord CreateBoundSheetRec()
        {
            return new BoundSheetRecord("Sheet1");
        }
        [Test]
        public void TestCheckRecordOrder()
        {
            SanityChecker c = new SanityChecker();
            ArrayList records = new ArrayList();
            records.Add(new BOFRecord());
            records.Add(INTERFACEHDR);
            records.Add(CreateBoundSheetRec());
            records.Add(EOFRecord.instance);
            TestSanityChecker.check = new SanityChecker.CheckRecord[]{
				new SanityChecker.CheckRecord(typeof(BOFRecord), '1'),
				new SanityChecker.CheckRecord(typeof(InterfaceHdrRecord), '0'),
				new SanityChecker.CheckRecord(typeof(BoundSheetRecord), 'M'),
				new SanityChecker.CheckRecord(typeof(NameRecord), '*'),
				new SanityChecker.CheckRecord(typeof(EOFRecord), '1'),
		    };
            // Check pass
            c.CheckRecordOrder(records, check);
            records.Insert(2, CreateBoundSheetRec());
            c.CheckRecordOrder(records, check);
            records.RemoveAt(1);	  // optional record missing
            c.CheckRecordOrder(records, check);
            records.Insert(3, new NameRecord());
            records.Insert(3, new NameRecord()); // optional multiple record occurs more than one time
            c.CheckRecordOrder(records, check);

            // Check Assert.Fail
            ConfirmBadRecordOrder(check, new Record[] {
				new BOFRecord(),
				CreateBoundSheetRec(),
				INTERFACEHDR,
				EOFRecord.instance,
		    });

            ConfirmBadRecordOrder(check, new Record[] {
				new BOFRecord(),
				INTERFACEHDR,
				CreateBoundSheetRec(),
				INTERFACEHDR,
				EOFRecord.instance,
		    });

            ConfirmBadRecordOrder(check, new Record[] {
				new BOFRecord(),
				CreateBoundSheetRec(),
				new NameRecord(),
				EOFRecord.instance,
				new NameRecord(),
		    });

            ConfirmBadRecordOrder(check, new Record[] {
				INTERFACEHDR,
				CreateBoundSheetRec(),
				EOFRecord.instance,
		    });

            ConfirmBadRecordOrder(check, new Record[] {
				new BOFRecord(),
				INTERFACEHDR,
				EOFRecord.instance,
		    });

            ConfirmBadRecordOrder(check, new Record[] {
				INTERFACEHDR,
				CreateBoundSheetRec(),
				new BOFRecord(),
				EOFRecord.instance,
		    });

            ConfirmBadRecordOrder(check, new Record[] {
				new BOFRecord(),
				CreateBoundSheetRec(),
				INTERFACEHDR,
				EOFRecord.instance,
		    });
        }

        static SanityChecker.CheckRecord[] check;
        static Record[] recs;
        static void Run()
        {
            try
            {
                SanityChecker c = new SanityChecker();
                IList recs1 = NPOI.Util.Arrays.AsList(recs);
                c.CheckRecordOrder(recs1, check);
            }
            catch (AssertionException)
            {
                // expected during normal Test
                return;
            }
            throw new AssertionException("Did not get Assert.Failure exception as expected");
        }

        private static void ConfirmBadRecordOrder(SanityChecker.CheckRecord[] Check, Record[] recs)
        {

            TestSanityChecker.recs = recs;

            ThreadStart ts = new ThreadStart(Run);
            Thread thread = new Thread(ts);
            thread.Start();
        }
    }
}