From 783f8c626ce363a2b42c74dbc271c79d229cded1 Mon Sep 17 00:00:00 2001
From: Thang Tran <trankimthang279@gmail.com>
Date: Tue, 24 Dec 2019 07:24:00 +0100
Subject: [PATCH] test: change buffer offset to accommodate V8 BackingStore

To avoid problem with the behavior of new V8 BackingStore API,
change the offset. The base address of each test case will be
different.

Fixes: https://github.com/nodejs/node/issues/31061

PR-URL: https://github.com/nodejs/node/pull/31171
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
---
 test/addons/buffer-free-callback/test.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/test/addons/buffer-free-callback/test.js b/test/addons/buffer-free-callback/test.js
index d25130a905ac90..70f1bead5b6c6a 100644
--- a/test/addons/buffer-free-callback/test.js
+++ b/test/addons/buffer-free-callback/test.js
@@ -16,20 +16,24 @@ function check(size, alignment, offset) {
   global.gc();
 }
 
+// NOTE: If adding more check() test cases,
+// be sure to not duplicate alignment/offset.
+// Refs: https://github.com/nodejs/node/issues/31061#issuecomment-568612283
+
 check(64, 1, 0);
 
 // Buffers can have weird sizes.
-check(97, 1, 0);
+check(97, 1, 1);
 
 // Buffers can be unaligned
 check(64, 8, 0);
 check(64, 16, 0);
 check(64, 8, 1);
 check(64, 16, 1);
-check(97, 8, 1);
-check(97, 16, 1);
 check(97, 8, 3);
 check(97, 16, 3);
+check(97, 8, 5);
+check(97, 16, 5);
 
 // Empty ArrayBuffer does not allocate data, worth checking
-check(0, 1, 0);
+check(0, 1, 2);