public void ExceedSize() { ZipExtraData zed = new ZipExtraData(); byte[] buffer = new byte[65506]; zed.AddEntry(1, buffer); Assert.AreEqual(65510, zed.Length); zed.AddEntry(2, new byte[21]); Assert.AreEqual(65535, zed.Length); bool caught = false; try { zed.AddEntry(3, null); } catch { caught = true; } Assert.IsTrue(caught, "Expected an exception when max size exceeded"); Assert.AreEqual(65535, zed.Length); zed.Delete(2); Assert.AreEqual(65510, zed.Length); caught = false; try { zed.AddEntry(2, new byte[22]); } catch { caught = true; } Assert.IsTrue(caught, "Expected an exception when max size exceeded"); Assert.AreEqual(65510, zed.Length); }
public void BasicOperations() { ZipExtraData zed = new ZipExtraData(null); Assert.AreEqual(0, zed.Length); zed = new ZipExtraData(new byte[] { 1, 0, 0, 0 }); Assert.AreEqual(4, zed.Length, "A length should be 4"); ZipExtraData zed2 = new ZipExtraData(); Assert.AreEqual(0, zed2.Length); zed2.AddEntry(1, new byte[] { }); byte[] data = zed.GetEntryData(); for (int i = 0; i < data.Length; ++i) { Assert.AreEqual(zed2.GetEntryData()[i], data[i]); } Assert.AreEqual(4, zed2.Length, "A1 length should be 4"); bool findResult = zed.Find(2); Assert.IsFalse(findResult, "A - Shouldnt find tag 2"); findResult = zed.Find(1); Assert.IsTrue(findResult, "A - Should find tag 1"); Assert.AreEqual(0, zed.ValueLength, "A- Length of entry should be 0"); Assert.AreEqual(-1, zed.ReadByte()); Assert.AreEqual(0, zed.GetStreamForTag(1).Length, "A - Length of stream should be 0"); zed = new ZipExtraData(new byte[] { 1, 0, 3, 0, 1, 2, 3 }); Assert.AreEqual(7, zed.Length, "Expected a length of 7"); findResult = zed.Find(1); Assert.IsTrue(findResult, "B - Should find tag 1"); Assert.AreEqual(3, zed.ValueLength, "B - Length of entry should be 3"); for (int i = 1; i <= 3; ++i) { Assert.AreEqual(i, zed.ReadByte()); } Assert.AreEqual(-1, zed.ReadByte()); Stream s = zed.GetStreamForTag(1); Assert.AreEqual(3, s.Length, "B.1 Stream length should be 3"); for (int i = 1; i <= 3; ++i) { Assert.AreEqual(i, s.ReadByte()); } Assert.AreEqual(-1, s.ReadByte()); zed = new ZipExtraData(new byte[] { 1, 0, 3, 0, 1, 2, 3, 2, 0, 1, 0, 56 }); Assert.AreEqual(12, zed.Length, "Expected a length of 12"); findResult = zed.Find(1); Assert.IsTrue(findResult, "C.1 - Should find tag 1"); Assert.AreEqual(3, zed.ValueLength, "C.1 - Length of entry should be 3"); for (int i = 1; i <= 3; ++i) { Assert.AreEqual(i, zed.ReadByte()); } Assert.AreEqual(-1, zed.ReadByte()); findResult = zed.Find(2); Assert.IsTrue(findResult, "C.2 - Should find tag 2"); Assert.AreEqual(1, zed.ValueLength, "C.2 - Length of entry should be 1"); Assert.AreEqual(56, zed.ReadByte()); Assert.AreEqual(-1, zed.ReadByte()); s = zed.GetStreamForTag(2); Assert.AreEqual(1, s.Length); Assert.AreEqual(56, s.ReadByte()); Assert.AreEqual(-1, s.ReadByte()); zed = new ZipExtraData(); zed.AddEntry(7, new byte[] { 33, 44, 55 }); findResult = zed.Find(7); Assert.IsTrue(findResult, "Add.1 should find new tag"); Assert.AreEqual(3, zed.ValueLength, "Add.1 length should be 3"); Assert.AreEqual(33, zed.ReadByte()); Assert.AreEqual(44, zed.ReadByte()); Assert.AreEqual(55, zed.ReadByte()); Assert.AreEqual(-1, zed.ReadByte()); zed.AddEntry(7, null); findResult = zed.Find(7); Assert.IsTrue(findResult, "Add.2 should find new tag"); Assert.AreEqual(0, zed.ValueLength, "Add.2 length should be 0"); zed.StartNewEntry(); zed.AddData(0xae); zed.AddNewEntry(55); findResult = zed.Find(55); Assert.IsTrue(findResult, "Add.3 should find new tag"); Assert.AreEqual(1, zed.ValueLength, "Add.3 length should be 1"); Assert.AreEqual(0xae, zed.ReadByte()); Assert.AreEqual(-1, zed.ReadByte()); zed = new ZipExtraData(); zed.StartNewEntry(); zed.AddLeLong(0); zed.AddLeLong(-4); zed.AddLeLong(-1); zed.AddLeLong(long.MaxValue); zed.AddLeLong(long.MinValue); zed.AddLeLong(0x123456789ABCDEF0); zed.AddLeLong(unchecked((long)0xFEDCBA9876543210)); zed.AddNewEntry(567); s = zed.GetStreamForTag(567); long longValue = ReadLong(s); Assert.AreEqual(longValue, zed.ReadLong(), "Read/stream mismatch"); Assert.AreEqual(0, longValue, "Expected long value of zero"); longValue = ReadLong(s); Assert.AreEqual(longValue, zed.ReadLong(), "Read/stream mismatch"); Assert.AreEqual(-4, longValue, "Expected long value of -4"); longValue = ReadLong(s); Assert.AreEqual(longValue, zed.ReadLong(), "Read/stream mismatch"); Assert.AreEqual(-1, longValue, "Expected long value of -1"); longValue = ReadLong(s); Assert.AreEqual(longValue, zed.ReadLong(), "Read/stream mismatch"); Assert.AreEqual(long.MaxValue, longValue, "Expected long value of MaxValue"); longValue = ReadLong(s); Assert.AreEqual(longValue, zed.ReadLong(), "Read/stream mismatch"); Assert.AreEqual(long.MinValue, longValue, "Expected long value of MinValue"); longValue = ReadLong(s); Assert.AreEqual(longValue, zed.ReadLong(), "Read/stream mismatch"); Assert.AreEqual(0x123456789abcdef0, longValue, "Expected long value of MinValue"); longValue = ReadLong(s); Assert.AreEqual(longValue, zed.ReadLong(), "Read/stream mismatch"); Assert.AreEqual(unchecked((long)0xFEDCBA9876543210), longValue, "Expected long value of MinValue"); }
public void Deleting() { ZipExtraData zed = new ZipExtraData(); Assert.AreEqual(0, zed.Length); // Tag 1 Totoal length 10 zed.AddEntry(1, new byte[] { 10, 11, 12, 13, 14, 15 }); Assert.AreEqual(10, zed.Length, "Length should be 10"); Assert.AreEqual(10, zed.GetEntryData().Length, "Data length should be 10"); // Tag 2 total length 9 zed.AddEntry(2, new byte[] { 20, 21, 22, 23, 24 }); Assert.AreEqual(19, zed.Length, "Length should be 19"); Assert.AreEqual(19, zed.GetEntryData().Length, "Data length should be 19"); // Tag 3 Total Length 6 zed.AddEntry(3, new byte[] { 30, 31 }); Assert.AreEqual(25, zed.Length, "Length should be 25"); Assert.AreEqual(25, zed.GetEntryData().Length, "Data length should be 25"); zed.Delete(2); Assert.AreEqual(16, zed.Length, "Length should be 16"); Assert.AreEqual(16, zed.GetEntryData().Length, "Data length should be 16"); // Tag 2 total length 9 zed.AddEntry(2, new byte[] { 20, 21, 22, 23, 24 }); Assert.AreEqual(25, zed.Length, "Length should be 25"); Assert.AreEqual(25, zed.GetEntryData().Length, "Data length should be 25"); zed.AddEntry(3, null); Assert.AreEqual(23, zed.Length, "Length should be 23"); Assert.AreEqual(23, zed.GetEntryData().Length, "Data length should be 23"); }
/// <summary> /// Encodes a <paramref name="timestamp"/> as a <see cref="ZipEntry.ExtraData"/> in a format that ensures it will be read for <see cref="ZipEntry.DateTime"/>, preserving second-accuracy. /// </summary> private static byte[] GetUnixTimestamp(DateTime timestamp) { var extraData = new ZipExtraData(); extraData.AddEntry(new ExtendedUnixData { AccessTime = timestamp, CreateTime = timestamp, ModificationTime = timestamp, Include = ExtendedUnixData.Flags.AccessTime | ExtendedUnixData.Flags.CreateTime | ExtendedUnixData.Flags.ModificationTime }); return extraData.GetEntryData(); }