private static void ValidateAndRoundtrip(object obj, TypeSerializableValue[] blobs, bool isEqualityComparer)
{
if (obj == null)
{
throw new ArgumentNullException("The serializable object must not be null", nameof(obj));
}
if (blobs == null || blobs.Length == 0)
{
throw new ArgumentOutOfRangeException($"Type {obj} has no blobs to deserialize and test equality against. Blob: " +
BinaryFormatterHelpers.ToBase64String(obj, FormatterAssemblyStyle.Full));
}
SanityCheckBlob(obj, blobs);
// SqlException, ReflectionTypeLoadException and LicenseException aren't deserializable from Desktop --> Core.
// Therefore we remove the second blob which is the one from Desktop.
if (!PlatformDetection.IsFullFramework && (obj is SqlException || obj is ReflectionTypeLoadException || obj is LicenseException))
{
var tmpList = new List <TypeSerializableValue>(blobs);
tmpList.RemoveAt(1);
int index = tmpList.FindIndex(b => b.Platform == TargetFrameworkMoniker.netfx461 || b.Platform == TargetFrameworkMoniker.netfx471);
if (index >= 0)
{
tmpList.RemoveAt(index);
}
blobs = tmpList.ToArray();
}
// We store our framework blobs in index 1
int platformBlobIndex = TypeSerializableValue.GetPlatformIndex(blobs);
for (int i = 0; i < blobs.Length; i++)
{
// Check if the current blob is from the current running platform.
bool isSamePlatform = i == platformBlobIndex;
if (isEqualityComparer)
{
ValidateEqualityComparer(BinaryFormatterHelpers.FromBase64String(blobs[i].Base64Blob, FormatterAssemblyStyle.Simple));
ValidateEqualityComparer(BinaryFormatterHelpers.FromBase64String(blobs[i].Base64Blob, FormatterAssemblyStyle.Full));
}
else
{
EqualityExtensions.CheckEquals(obj, BinaryFormatterHelpers.FromBase64String(blobs[i].Base64Blob, FormatterAssemblyStyle.Simple), isSamePlatform);
EqualityExtensions.CheckEquals(obj, BinaryFormatterHelpers.FromBase64String(blobs[i].Base64Blob, FormatterAssemblyStyle.Full), isSamePlatform);
}
}
}
private static void SanityCheckBlob(object obj, TypeSerializableValue[] blobs)
{
// These types are unstable during serialization and produce different blobs.
if (obj is WeakReference <Point> ||
obj is Collections.Specialized.HybridDictionary)
{
return;
}
// In most cases exceptions in Core have a different layout than in Desktop,
// therefore we are skipping the string comparison of the blobs.
if (obj is Exception)
{
return;
}
// Check if runtime generated blob is the same as the stored one
int frameworkBlobNumber = TypeSerializableValue.GetPlatformIndex(blobs);
if (frameworkBlobNumber < blobs.Length)
{
string runtimeBlob = BinaryFormatterHelpers.ToBase64String(obj, FormatterAssemblyStyle.Full);
string storedComparableBlob = CreateComparableBlobInfo(blobs[frameworkBlobNumber].Base64Blob);
string runtimeComparableBlob = CreateComparableBlobInfo(runtimeBlob);
Assert.True(storedComparableBlob == runtimeComparableBlob,
$"The stored blob for type {obj.GetType().FullName} is outdated and needs to be updated.{Environment.NewLine}{Environment.NewLine}" +
$"-------------------- Stored blob ---------------------{Environment.NewLine}" +
$"Encoded: {blobs[frameworkBlobNumber].Base64Blob}{Environment.NewLine}" +
$"Decoded: {storedComparableBlob}{Environment.NewLine}{Environment.NewLine}" +
$"--------------- Runtime generated blob ---------------{Environment.NewLine}" +
$"Encoded: {runtimeBlob}{Environment.NewLine}" +
$"Decoded: {runtimeComparableBlob}");
}
}
