public static void TestTruncatedArchive(
ArchiveInfo archiveInfo, Type expectedExceptionType)
{
for (long len = archiveInfo.Length - 1; len >= 0; len--)
{
string testArchive = String.Format("{0}.{1:d06}",
archiveInfo.FullName, len);
if (File.Exists(testArchive))
{
File.Delete(testArchive);
}
archiveInfo.CopyTo(testArchive);
using (FileStream truncateStream =
File.Open(testArchive, FileMode.Open, FileAccess.ReadWrite))
{
truncateStream.SetLength(len);
}
ArchiveInfo testArchiveInfo = (ArchiveInfo)archiveInfo.GetType()
.GetConstructor(new Type[] { typeof(string) }).Invoke(new object[] { testArchive });
Exception caughtEx = null;
try
{
testArchiveInfo.GetFiles();
}
catch (Exception ex) { caughtEx = ex; }
File.Delete(testArchive);
if (caughtEx != null)
{
Assert.IsInstanceOfType(caughtEx, expectedExceptionType,
String.Format("Caught exception listing archive truncated to {0}/{1} bytes",
len, archiveInfo.Length));
}
}
}
