public void CreateDiffTest()
{
const int sz = 0x03010400;
try
{
using (var vhdp = VirtualDisk.Create(tmpfn, sz))
using (var vhd = VirtualDisk.CreateDifferencing(tmpcfn, tmpfn))
{
Assert.That(System.IO.File.Exists(tmpcfn));
Assert.That(System.IO.File.Exists(tmpfn));
Assert.That(System.IO.File.Exists(tmpfn));
Assert.That(vhd.Attached, Is.False);
Assert.That(vhd.BlockSize, Is.EqualTo(0x200000));
Assert.That(vhd.DiskType, Is.EqualTo(VirtualDisk.DeviceType.Vhd));
Assert.That(vhd.Enabled, Is.False);
//Assert.That(vhd.FragmentationPercentage, Is.Zero); // must be non-differencing
Assert.That(vhd.Identifier, Is.Not.EqualTo(Guid.Empty));
Assert.That(vhd.Is4kAligned);
Assert.That(vhd.IsLoaded, Is.False);
Assert.That(vhd.IsRemote, Is.False);
Assert.That(vhd.LogicalSectorSize, Is.EqualTo(0x200));
//Assert.That(vhd.MostRecentId, Is.Null.Or.Empty);
Assert.That(vhd.NewerChanges, Is.False);
Assert.That(vhd.ParentBackingStore, Is.EqualTo(tmpfn)); // must be differencing
Assert.That(vhd.ParentIdentifier, Is.Not.EqualTo(Guid.Empty)); // must be differencing
Assert.That(vhd.ParentPaths, Is.Null); // must be differencing
Assert.That(vhd.ParentTimeStamp, Is.Zero); // must be differencing
//TestContext.WriteLine(vhd.PhysicalPath); // must be attached
Assert.That(vhd.PhysicalSectorSize, Is.EqualTo(0x200));
Assert.That(vhd.PhysicalSize, Is.LessThan(sz));
Assert.That(vhd.ProviderSubtype, Is.EqualTo(VirtualDisk.Subtype.Differencing));
Assert.That(vhd.SectorSize, Is.EqualTo(0x200));
//Debug.WriteLine(vhd.SmallestSafeVirtualSize); // must have file system
Assert.That(vhd.VendorId, Is.Not.EqualTo(Guid.Empty));
Assert.That(vhd.VhdPhysicalSectorSize, Is.EqualTo(0x200));
Assert.That(vhd.VirtualDiskId, Is.Not.EqualTo(Guid.Empty));
Assert.That(vhd.VirtualSize, Is.EqualTo(sz));
}
}
finally
{
System.IO.File.Delete(tmpcfn);
System.IO.File.Delete(tmpfn);
}
}
public void MergeTest()
{
const int sz = 0x03010400;
try
{
using (var vhdp = VirtualDisk.Create(tmpfn, sz))
Assert.That(System.IO.File.Exists(tmpfn));
using (var vhd = VirtualDisk.CreateDifferencing(tmpcfn, tmpfn))
{
Assert.That(System.IO.File.Exists(tmpcfn));
vhd.Merge(1, 2);
}
}
finally
{
System.IO.File.Delete(tmpcfn);
System.IO.File.Delete(tmpfn);
}
}
