public void Rom_GetLuigiHeaderFromLuigiRom_ReturnsHeader()
{
var romPath = RomTestStorageAccess.Initialize(TestRomResources.TestLuigiFromBinPath).First();
var rom = Rom.Create(romPath, null);
Assert.NotNull(rom);
Assert.NotNull(Rom.GetLuigiHeader(rom));
}
protected int CanonicalCompare(IRom rom, IRom otherRom, bool includeFeatures)
{
// Always do the compare based on canonical form. Perhaps we could optimize for cases when 'rom' and 'otherRom'
// are both already the same format... This could save considerable time in cases such as adding ROMs from a CD or
// thumb drive, in which case temporary local copies must be made, in addition to possible temporary LUIGI copies.
var result = -1;
try
{
IRom canonicalReferenceRom = rom;
var createdCanonicalReferenceRom = false;
if ((rom.Format != CanonicalRomFormat) && !TemporaryCanonicalRoms.TryGetValue(rom.RomPath, out canonicalReferenceRom))
{
// rom isn't in canonical format, and we haven't already cached a canonical form of it -- so create one
var isTemporary = false;
createdCanonicalReferenceRom = CanonicalRomNeedsUpdate(rom, out canonicalReferenceRom, out isTemporary); // will return existing if possible
if ((canonicalReferenceRom == null) || isTemporary)
{
canonicalReferenceRom = GetCanonicalRomForCompare(rom, isTemporary);
if (isTemporary)
{
TemporaryCanonicalRoms[rom.RomPath] = canonicalReferenceRom;
}
}
}
IRom canonicalOtherRom = otherRom;
if ((otherRom.Format != CanonicalRomFormat) && !TemporaryCanonicalRoms.TryGetValue(otherRom.RomPath, out canonicalOtherRom))
{
// otherRom isn't in canonical format, and we haven't already cached a canonical form of it -- so create one
var isTemporary = false;
CanonicalRomNeedsUpdate(otherRom, out canonicalOtherRom, out isTemporary);
isTemporary |= createdCanonicalReferenceRom;
if ((canonicalOtherRom == null) || isTemporary)
{
canonicalOtherRom = GetCanonicalRomForCompare(otherRom, isTemporary);
if (isTemporary)
{
TemporaryCanonicalRoms[otherRom.RomPath] = canonicalOtherRom;
}
}
}
result = includeFeatures ? RomComparerStrict.Default.Compare(canonicalReferenceRom, canonicalOtherRom) : RomComparerStrictCrcOnly.Default.Compare(canonicalReferenceRom, canonicalOtherRom);
if ((result != 0) && (canonicalReferenceRom != null) && (canonicalOtherRom != null))
{
// ROMs are not considered equal based on the more simplistic, fast check. Do the full canonical check.
var doCrc = true;
if (includeFeatures)
{
var referenceFeatures = (ulong)Rom.GetLuigiHeader(canonicalReferenceRom).Features;
var otherFeatures = (ulong)Rom.GetLuigiHeader(canonicalOtherRom).Features;
var featureDifferences = (referenceFeatures ^ otherFeatures) & ~(ulong)LuigiFeatureFlags.FeatureFlagsExplicitlySet;
if (featureDifferences == 0)
{
referenceFeatures = (ulong)Rom.GetLuigiHeader(canonicalReferenceRom).Features2;
otherFeatures = (ulong)Rom.GetLuigiHeader(canonicalOtherRom).Features2;
featureDifferences = referenceFeatures ^ otherFeatures;
}
doCrc = featureDifferences == 0;
if (!doCrc)
{
result = -1;
}
}
if (doCrc)
{
// always skip including features in the CRC because of the 'explicitly set' bit.
var referenceCrc = INTV.Core.Utility.Crc32.OfFile(canonicalReferenceRom.RomPath, Rom.GetComparisonIgnoreRanges(canonicalReferenceRom, true));
var otherCrc = INTV.Core.Utility.Crc32.OfFile(canonicalOtherRom.RomPath, Rom.GetComparisonIgnoreRanges(canonicalOtherRom, true));
result = (int)referenceCrc - (int)otherCrc;
}
}
}
catch (System.InvalidOperationException)
{
}
return(result);
}
public void Rom_GetLuigiHeaderFromNullRom_ReturnsNull()
{
RomTestStorageAccess.Initialize();
Assert.Null(Rom.GetLuigiHeader(null));
}
