public async Task RejectsOffsetOutOfBounds()
{
// Assert
using (var stream = TestUtility.BufferTestData(@"System.IO.Compression\badzipfiles\localFileOffsetOutOfBounds.zip"))
{
var reader = new ZipDirectoryReader(stream);
var directory = await reader.ReadAsync();
var entry = directory.Entries[0];
// Act & Assert
await Assert.ThrowsAsync <EndOfStreamException>(
() => reader.ReadLocalFileHeaderAsync(directory, entry));
}
}
public async Task RejectsEncryptedFiles()
{
// Arrange
using (var stream = TestUtility.BufferTestData(@"SharpZipLib\FastZipHandling.Encryption\0.zip"))
{
var reader = new ZipDirectoryReader(stream);
var directory = await reader.ReadAsync();
var entry = directory.Entries[0];
// Act & Assert
var ex = await Assert.ThrowsAsync <MiniZipException>(
() => reader.ReadLocalFileHeaderAsync(directory, entry));
Assert.Equal("Archives containing encrypted files are not supported.", ex.Message);
}
}
public async Task RejectsInvalidLocalFileHeaderSignature()
{
// Assert
using (var stream = TestUtility.BufferTestData(@"System.IO.Compression\badzipfiles\localFileHeaderSignatureWrong.zip"))
{
var reader = new ZipDirectoryReader(stream);
var directory = await reader.ReadAsync();
var entry = directory.Entries[0];
// Act & Assert
var ex = await Assert.ThrowsAsync <MiniZipException>(
() => reader.ReadLocalFileHeaderAsync(directory, entry));
Assert.Equal("Invalid local file header signature found.", ex.Message);
}
}
public async Task ReadsLocalHeaderOfAllFiles(string resourceName)
{
// Arrange
using (var stream = TestUtility.BufferTestData(resourceName))
{
var reader = new ZipDirectoryReader(stream);
var directory = await reader.ReadAsync();
// Act
foreach (var entry in directory.Entries)
{
var localFileHeader = await reader.ReadLocalFileHeaderAsync(directory, entry);
// Assert
Assert.NotNull(localFileHeader);
}
}
}
public async Task ReadsDataDescriptorWithoutSignature(string resourceName)
{
// Arrange
using (var stream = TestUtility.BufferTestData(resourceName))
{
var reader = new ZipDirectoryReader(stream);
var directory = await reader.ReadAsync();
var entry = directory.Entries[0];
// Act
var localFileHeader = await reader.ReadLocalFileHeaderAsync(directory, entry);
// Assert
Assert.NotNull(localFileHeader.DataDescriptor);
Assert.False(localFileHeader.DataDescriptor.HasSignature);
Assert.Equal(entry.Crc32, localFileHeader.DataDescriptor.Crc32);
Assert.Equal(entry.CompressedSize, localFileHeader.DataDescriptor.CompressedSize);
Assert.Equal(entry.UncompressedSize, localFileHeader.DataDescriptor.UncompressedSize);
}
}