public static void EmptyEntryTest(ZipArchiveMode mode)
{
String data1 = "test data written to file.";
String data2 = "more test data written to file.";
DateTimeOffset lastWrite = new DateTimeOffset(1992, 4, 5, 12, 00, 30, new TimeSpan(-5, 0, 0));
var baseline = new LocalMemoryStream();
using (ZipArchive archive = new ZipArchive(baseline, mode))
{
ZipTest.AddEntry(archive, "data1.txt", data1, lastWrite);
ZipArchiveEntry e = archive.CreateEntry("empty.txt");
e.LastWriteTime = lastWrite;
using (Stream s = e.Open()) { }
ZipTest.AddEntry(archive, "data2.txt", data2, lastWrite);
}
var test = new LocalMemoryStream();
using (ZipArchive archive = new ZipArchive(test, mode))
{
ZipTest.AddEntry(archive, "data1.txt", data1, lastWrite);
ZipArchiveEntry e = archive.CreateEntry("empty.txt");
e.LastWriteTime = lastWrite;
ZipTest.AddEntry(archive, "data2.txt", data2, lastWrite);
}
//compare
Assert.True(ZipTest.ArraysEqual(baseline.ToArray(), test.ToArray()), "Arrays didn't match");
//second test, this time empty file at end
baseline = baseline.Clone();
using (ZipArchive archive = new ZipArchive(baseline, mode))
{
ZipTest.AddEntry(archive, "data1.txt", data1, lastWrite);
ZipArchiveEntry e = archive.CreateEntry("empty.txt");
e.LastWriteTime = lastWrite;
using (Stream s = e.Open()) { }
}
test = test.Clone();
using (ZipArchive archive = new ZipArchive(test, mode))
{
ZipTest.AddEntry(archive, "data1.txt", data1, lastWrite);
ZipArchiveEntry e = archive.CreateEntry("empty.txt");
e.LastWriteTime = lastWrite;
}
//compare
Assert.True(ZipTest.ArraysEqual(baseline.ToArray(), test.ToArray()), "Arrays didn't match after update");
}