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Geoffroy BONNEVILLE
2019-07-25 16:39:43 +02:00
parent 81509be167
commit 1b2007e6dd
136 changed files with 35834 additions and 0 deletions
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ModernKeePassLib.Test/Serialization/HashedBlockStreamTests.cs Normal file
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using System.IO;
using ModernKeePassLib.Serialization;
using ModernKeePassLib.Utility;
using Xunit;
namespace ModernKeePassLib.Test.Serialization
{
public class HashedBlockStreamTests
{
static readonly byte[] data = new byte[16];
static readonly byte[] hashStreamData = new byte[]
{
// The first 4 bytes are an integer indicating the block index
0x00, 0x00, 0x00, 0x00,
// Then the SHA-256 hash of the data
0x37, 0x47, 0x08, 0xFF, 0xF7, 0x71, 0x9D, 0xD5,
0x97, 0x9E, 0xC8, 0x75, 0xD5, 0x6C, 0xD2, 0x28,
0x6F, 0x6D, 0x3C, 0xF7, 0xEC, 0x31, 0x7A, 0x3B,
0x25, 0x63, 0x2A, 0xAB, 0x28, 0xEC, 0x37, 0xBB,
// then an integer that is the length of the data
0x10, 0x00, 0x00, 0x00,
// and finally the data itself
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
// Next, a terminating block
0x01, 0x00, 0x00, 0x00,
// terminating block is indicated by a hash of all 0s...
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
// ...and by a size of 0
0x00, 0x00, 0x00, 0x00
};
[Fact]
public void TestRead()
{
using (var ms = new MemoryStream(hashStreamData))
{
using (var hbs = new HashedBlockStream(ms, false))
{
using (var br = new BinaryReader(hbs))
{
var bytes = br.ReadBytes(data.Length);
Assert.True(MemUtil.ArraysEqual(bytes, data));
Assert.Throws<EndOfStreamException>(() => br.ReadByte());
}
}
}
}
[Fact]
public void TestWrite()
{
var buffer = new byte[hashStreamData.Length];
using (var ms = new MemoryStream(buffer))
{
using (var hbs = new HashedBlockStream(ms, true))
{
using (var bw = new BinaryWriter(hbs))
{
bw.Write(data);
}
}
Assert.True(MemUtil.ArraysEqual(buffer, hashStreamData));
}
}
}
}