From aed0411f4ae5cfc007d27e0521a39a242fab7840 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Wed, 29 Jun 2022 17:03:23 -0700
Subject: Unify signed magnitude int decoding

---
 src/test/java/org/traccar/helper/BufferUtilTest.java | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/test/java/org/traccar')

diff --git a/src/test/java/org/traccar/helper/BufferUtilTest.java b/src/test/java/org/traccar/helper/BufferUtilTest.java
index b539b5b28..0196cef9d 100644
--- a/src/test/java/org/traccar/helper/BufferUtilTest.java
+++ b/src/test/java/org/traccar/helper/BufferUtilTest.java
@@ -10,6 +10,12 @@ import static org.junit.Assert.assertEquals;
 
 public class BufferUtilTest {
 
+    @Test
+    public void testReadSignedMagnitudeInt() {
+        ByteBuf buf = Unpooled.wrappedBuffer(DataConverter.parseHex("80000001"));
+        assertEquals(-1, BufferUtil.readSignedMagnitudeInt(buf));
+    }
+
     @Test
     public void test1() {
         ByteBuf buf = Unpooled.copiedBuffer("abcdef", StandardCharsets.US_ASCII);
-- 
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