From c1decadb590c4d79d92bcc4df7772119a5c91244 Mon Sep 17 00:00:00 2001
From: Gab Virebent <gabriel1@virebent.art>
Date: Sat, 22 Aug 2026 20:36:56 +0200
Subject: Initial Aegis Usenet client release

---
 internal/thread/thread_test.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 internal/thread/thread_test.go

(limited to 'internal/thread/thread_test.go')

diff --git a/internal/thread/thread_test.go b/internal/thread/thread_test.go
new file mode 100644
index 0000000..146ae0c
--- /dev/null
+++ b/internal/thread/thread_test.go
@@ -0,0 +1,18 @@
+package thread
+
+import (
+	"testing"
+
+	"aegis/internal/nntp"
+)
+
+func TestBuildUsesLastReference(t *testing.T) {
+	roots := Build([]nntp.ArticleHeader{
+		{Number: 1, MessageID: "<root@example>", Subject: "topic"},
+		{Number: 2, MessageID: "<reply@example>", References: "<root@example>"},
+		{Number: 3, MessageID: "<nested@example>", References: "<root@example> <reply@example>"},
+	})
+	if len(roots) != 1 || len(roots[0].Children) != 1 || len(roots[0].Children[0].Children) != 1 {
+		t.Fatalf("unexpected thread tree: %#v", roots)
+	}
+}
-- 
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