feat(net): #13 read shortcuts list (SHORTCUT bit) in PD trailer

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Erik 2026-05-10 08:28:25 +02:00
parent 9a0dfe03da
commit f7a5eea8e8
2 changed files with 77 additions and 0 deletions

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@ -375,6 +375,69 @@ public sealed class PlayerDescriptionParserTests
Assert.False(parsed.Value.TrailerTruncated);
}
[Fact]
public void TryParse_TrailerShortcuts_PopulatesList()
{
var sb = new MemoryStream();
using var writer = new BinaryWriter(sb);
writer.Write(0u); // propertyFlags
writer.Write(0x52u); // weenieType
writer.Write(0x201u); // ATTRIBUTE | ENCHANTMENT
writer.Write(1u); // has_health
writer.Write(0u); // empty attribute_flags
writer.Write(0u); // empty enchantment mask
writer.Write(0x01u); // option_flags = SHORTCUT
writer.Write(0xCAFEu); // options1 sentinel
// Shortcut count + 2 entries (16 B each).
writer.Write(2u);
writer.Write(0u); writer.Write(0xAABBCCDDu); writer.Write((ushort)0); writer.Write((ushort)0);
writer.Write(7u); writer.Write(0u); writer.Write((ushort)1234); writer.Write((ushort)5);
var parsed = PlayerDescriptionParser.TryParse(sb.ToArray());
Assert.NotNull(parsed);
Assert.Equal(2, parsed!.Value.Shortcuts.Count);
Assert.Equal(0u, parsed.Value.Shortcuts[0].Index);
Assert.Equal(0xAABBCCDDu, parsed.Value.Shortcuts[0].ObjectGuid);
Assert.Equal((ushort)0, parsed.Value.Shortcuts[0].SpellId);
Assert.Equal(7u, parsed.Value.Shortcuts[1].Index);
Assert.Equal((ushort)1234, parsed.Value.Shortcuts[1].SpellId);
Assert.Equal((ushort)5, parsed.Value.Shortcuts[1].Layer);
}
[Fact]
public void TryParse_TrailerShortcuts_TruncatedMidList_FlagsTrailerTruncatedAndPreservesPriorEntries()
{
var sb = new MemoryStream();
using var writer = new BinaryWriter(sb);
writer.Write(0u); // propertyFlags
writer.Write(0x52u); // weenieType
writer.Write(0x201u); // ATTRIBUTE | ENCHANTMENT
writer.Write(1u); // has_health
writer.Write(0u); // empty attribute_flags
writer.Write(0u); // empty enchantment mask
writer.Write(0x01u); // option_flags = SHORTCUT
writer.Write(0u); // options1
writer.Write(3u); // claimed shortcut count = 3
// First entry complete (16 B).
writer.Write(1u); writer.Write(0xAAAAu); writer.Write((ushort)10); writer.Write((ushort)1);
// Second entry truncated to 8 bytes — ReadU16 will throw FormatException.
writer.Write(2u); writer.Write(0xBBBBu);
// (no SpellId/Layer — payload ends here)
var parsed = PlayerDescriptionParser.TryParse(sb.ToArray());
Assert.NotNull(parsed);
// Inner catch fired — flag set.
Assert.True(parsed!.Value.TrailerTruncated);
// First entry survives in the partial list.
Assert.Single(parsed.Value.Shortcuts);
Assert.Equal(1u, parsed.Value.Shortcuts[0].Index);
}
[Fact]
public void TryParse_TrailerAbsent_LessThan8BytesAfterEnchantments_PreservesUpstreamAndDoesNotFlagTruncation()
{