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gzip
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| using System.Text; | ||
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| namespace Pandatech.Crypto.Tests; | ||
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| public class GZipTests | ||
| { | ||
| [Fact] | ||
| public void Compress_String_ReturnsCompressedData() | ||
| { | ||
| // Arrange | ||
| const string input = "Hello, world!"; | ||
| var expected = GZip.Compress(Encoding.UTF8.GetBytes(input)); | ||
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| // Act | ||
| var result = GZip.Compress(input); | ||
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| // Assert | ||
| Assert.Equal(expected, result); | ||
| } | ||
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| [Fact] | ||
| public void Decompress_Base64_ReturnsOriginalData() | ||
| { | ||
| // Arrange | ||
| const string input = "Hello, world!"; | ||
| var compressed = GZip.Compress(input); | ||
| var compressedBase64 = Convert.ToBase64String(compressed); | ||
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| // Act | ||
| var result = GZip.Decompress(compressedBase64); | ||
| var resultString = Encoding.UTF8.GetString(result); | ||
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| // Assert | ||
| Assert.Equal(input, resultString); | ||
| } | ||
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| [Fact] | ||
| public void Compress_And_Decompress_Byte_Array_ReturnsOriginalData() | ||
| { | ||
| // Arrange | ||
| var input = Encoding.UTF8.GetBytes("Hello, world!"); | ||
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| // Act | ||
| var compressed = GZip.Compress(input); | ||
| var decompressed = GZip.Decompress(compressed); | ||
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| // Assert | ||
| Assert.Equal(input, decompressed); | ||
| } | ||
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| [Fact] | ||
| public void Compress_And_Decompress_Stream_ReturnsOriginalData() | ||
| { | ||
| // Arrange | ||
| var input = "Hello, world!"u8.ToArray(); | ||
| using var inputStream = new MemoryStream(input); | ||
| using var compressedStream = new MemoryStream(); | ||
| using var decompressedStream = new MemoryStream(); | ||
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| // Act | ||
| GZip.Compress(inputStream, compressedStream); | ||
| compressedStream.Seek(0, SeekOrigin.Begin); | ||
| GZip.Decompress(compressedStream, decompressedStream); | ||
| var result = decompressedStream.ToArray(); | ||
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| // Assert | ||
| Assert.Equal(input, result); | ||
| } | ||
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| [Theory] | ||
| [InlineData("")] | ||
| [InlineData("Short string")] | ||
| [InlineData("The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog.")] | ||
| public void Compress_Decompress_String_VariousLengths(string input) | ||
| { | ||
| // Act | ||
| var compressed = GZip.Compress(input); | ||
| var decompressed = GZip.Decompress(Convert.ToBase64String(compressed)); | ||
| var resultString = Encoding.UTF8.GetString(decompressed); | ||
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| // Assert | ||
| Assert.Equal(input, resultString); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| using System.IO.Compression; | ||
| using System.Text; | ||
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| namespace Pandatech.Crypto; | ||
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| public static class GZip | ||
| { | ||
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| public static byte[] Compress(string data) | ||
| { | ||
| return Compress(Encoding.UTF8.GetBytes(data)); | ||
| } | ||
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| public static byte[] Compress(byte[] data) | ||
| { | ||
| using var compressedStream = new MemoryStream(); | ||
| Compress(new MemoryStream(data), compressedStream); | ||
| return compressedStream.ToArray(); | ||
| } | ||
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| public static void Compress(Stream sourceStream, Stream destinationStream) | ||
| { | ||
| using var zipStream = new GZipStream(destinationStream, CompressionMode.Compress, leaveOpen: true); | ||
| sourceStream.CopyTo(zipStream); | ||
| } | ||
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| public static byte[] Decompress(string compressedBase64) | ||
| { | ||
| var compressedData = Convert.FromBase64String(compressedBase64); | ||
| return Decompress(compressedData); | ||
| } | ||
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| public static byte[] Decompress(byte[] data) | ||
| { | ||
| using var decompressedStream = new MemoryStream(); | ||
| Decompress(new MemoryStream(data), decompressedStream); | ||
| return decompressedStream.ToArray(); | ||
| } | ||
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| public static void Decompress(Stream sourceStream, Stream destinationStream) | ||
| { | ||
| using var zipStream = new GZipStream(sourceStream, CompressionMode.Decompress, leaveOpen: true); | ||
| zipStream.CopyTo(destinationStream); | ||
| } | ||
| } |
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