From 692e2d79fa7b1ed92122da1495869c9a58c574e8 Mon Sep 17 00:00:00 2001
From: Ahsan Barkati <ahsanbarkati@gmail.com>
Date: Sat, 7 Nov 2020 10:49:55 +0530
Subject: [PATCH] Fix Trie tests
---
xidmap/trie.go | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/xidmap/trie.go b/xidmap/trie.go
index 16519b32300..dff69a6dc78 100644
--- a/xidmap/trie.go
+++ b/xidmap/trie.go
@@ -36,9 +36,11 @@ type Trie struct {
func NewTrie() *Trie {
buf, err := z.NewBufferWith(32<<20, math.MaxUint32, z.UseMmap)
x.Check(err)
- ro := buf.AllocateOffset(nodeSz)
+ // Add additional 8 bytes at the start, because offset=0 is used for checking non-existing node.
+ // Therefore we can't keep root at 0 offset.
+ ro := buf.AllocateOffset(nodeSz + 8)
return &Trie{
- root: uint32(ro),
+ root: uint32(ro + 8),
buf: buf,
}
}