From 56ac8e154ea18ee86330fd452e56b86987969a12 Mon Sep 17 00:00:00 2001
From: OpenCode <opencode@anygate.cloud>
Date: Wed, 5 Aug 2026 19:36:26 +0200
Subject: [PATCH] test: add 4 decode regression tests for recently fixed
 packets

- entity_equipment 1.8 (nbt TAG_End fix)
- entity_equipment 26.2 (topBitSetTerminatedArray fix)
- entity_metadata 1.8 (entityMetadataLoop mergeCompareTo)
- spawn_entity_living 1.8 (entityMetadata mergeCompareTo)

These ensure packets that were previously broken stay working.
---
 .gitignore                                     |  1 +
 .../testdata/reg_55_2b76af8b937b1e8f_test.go   | 18 ++++++++++++++++++
 .../testdata/rt_10_0c20c77ea68496bd_test.go    | 18 ++++++++++++++++++
 .../testdata/rt_31_df2df88561529208_test.go    | 18 ++++++++++++++++++
 .../testdata/rt_8_1d0089bbe86a1648_test.go     | 18 ++++++++++++++++++
 5 files changed, 73 insertions(+)
 create mode 100644 cmd/strom/print_replay/testdata/reg_55_2b76af8b937b1e8f_test.go
 create mode 100644 cmd/strom/print_replay/testdata/rt_10_0c20c77ea68496bd_test.go
 create mode 100644 cmd/strom/print_replay/testdata/rt_31_df2df88561529208_test.go
 create mode 100644 cmd/strom/print_replay/testdata/rt_8_1d0089bbe86a1648_test.go

diff --git a/.gitignore b/.gitignore
index fdb675c..6dde320 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 .idea/
 .failed_packets/
 .vscode/proto_generator
+proto_generator
diff --git a/cmd/strom/print_replay/testdata/reg_55_2b76af8b937b1e8f_test.go b/cmd/strom/print_replay/testdata/reg_55_2b76af8b937b1e8f_test.go
new file mode 100644
index 0000000..bac9b1e
--- /dev/null
+++ b/cmd/strom/print_replay/testdata/reg_55_2b76af8b937b1e8f_test.go
@@ -0,0 +1,18 @@
+package failed_packets_test
+
+import (
+	"bytes"
+	"testing"
+
+	generated "github.com/admin-else/strom/mc/proto_generated/v1_8"
+)
+
+// Decode regression: spawn_entity_living (1.8) - entityMetadata mergeCompareTo
+func TestRegressionPacket2B76AF8B937B1E8F(t *testing.T) {
+	p := &generated.PlayToClientPacketSpawnEntityLiving{}
+	b := bytes.NewReader([]byte{0x4c, 0x65, 0xff, 0xff, 0xed, 0x66, 0x0, 0x0, 0x7, 0xe0, 0x0, 0x0, 0x29, 0xe6, 0x91, 0x0, 0x91, 0x0, 0x0, 0xfd, 0x8d, 0x0, 0x0, 0x0, 0x0, 0x21, 0x1, 0x2c, 0x82, 0x0, 0x12, 0x4, 0x3, 0x0, 0x4, 0x0, 0x66, 0x41, 0x20, 0x0, 0x0, 0x47, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x9, 0x0, 0xc, 0x0, 0xf, 0x0, 0x7f})
+	err := p.Decode(b)
+	if err != nil {
+		t.Fatalf("regression: decode failed: %v", err)
+	}
+}
diff --git a/cmd/strom/print_replay/testdata/rt_10_0c20c77ea68496bd_test.go b/cmd/strom/print_replay/testdata/rt_10_0c20c77ea68496bd_test.go
new file mode 100644
index 0000000..eee3a98
--- /dev/null
+++ b/cmd/strom/print_replay/testdata/rt_10_0c20c77ea68496bd_test.go
@@ -0,0 +1,18 @@
+package failed_packets_test
+
+import (
+	"bytes"
+	"testing"
+
+	generated "github.com/admin-else/strom/mc/proto_generated/v1_8"
+)
+
+// Decode regression: entity_equipment (1.8) - nbt TAG_End fix
+func TestRegressionPacket0C20C77EA68496BD(t *testing.T) {
+	p := &generated.PlayToClientPacketEntityEquipment{}
+	b := bytes.NewReader([]byte{0x89, 0x16, 0x0, 0x0, 0x1, 0x5, 0x1, 0x0, 0x0, 0x0})
+	err := p.Decode(b)
+	if err != nil {
+		t.Fatalf("regression: decode failed: %v", err)
+	}
+}
diff --git a/cmd/strom/print_replay/testdata/rt_31_df2df88561529208_test.go b/cmd/strom/print_replay/testdata/rt_31_df2df88561529208_test.go
new file mode 100644
index 0000000..cf5ea66
--- /dev/null
+++ b/cmd/strom/print_replay/testdata/rt_31_df2df88561529208_test.go
@@ -0,0 +1,18 @@
+package failed_packets_test
+
+import (
+	"bytes"
+	"testing"
+
+	generated "github.com/admin-else/strom/mc/proto_generated/v1_8"
+)
+
+// Decode regression: entity_metadata (1.8) - entityMetadataLoop mergeCompareTo
+func TestRegressionPacketDF2DF88561529208(t *testing.T) {
+	p := &generated.PlayToClientPacketEntityMetadata{}
+	b := bytes.NewReader([]byte{0x69, 0x0, 0x0, 0x21, 0x1, 0x2c, 0x82, 0x0, 0x3, 0x0, 0x4, 0x0, 0x66, 0x40, 0x80, 0x0, 0x0, 0x47, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x9, 0x0, 0xc, 0x0, 0xf, 0x0, 0x7f})
+	err := p.Decode(b)
+	if err != nil {
+		t.Fatalf("regression: decode failed: %v", err)
+	}
+}
diff --git a/cmd/strom/print_replay/testdata/rt_8_1d0089bbe86a1648_test.go b/cmd/strom/print_replay/testdata/rt_8_1d0089bbe86a1648_test.go
new file mode 100644
index 0000000..8d2476f
--- /dev/null
+++ b/cmd/strom/print_replay/testdata/rt_8_1d0089bbe86a1648_test.go
@@ -0,0 +1,18 @@
+package failed_packets_test
+
+import (
+	"bytes"
+	"testing"
+
+	generated "github.com/admin-else/strom/mc/proto_generated/v26_2"
+)
+
+// Decode regression: entity_equipment (26.2) - topBitSetTerminatedArray
+func TestRegressionPacket1D0089BBE86A1648(t *testing.T) {
+	p := &generated.PlayToClientPacketEntityEquipment{}
+	b := bytes.NewReader([]byte{0x81, 0x2, 0x0, 0x1, 0x9a, 0x7, 0x0, 0x0})
+	err := p.Decode(b)
+	if err != nil {
+		t.Fatalf("regression: decode failed: %v", err)
+	}
+}