Explicitly use ASCII charset

2 files changed, 4 insertions, 2 deletions

diff --git a/test/org/traccar/helper/ChecksumTest.java b/test/org/traccar/helper/ChecksumTest.java
index a2e69eb5a..82bae7346 100644
--- a/test/org/traccar/helper/ChecksumTest.java
+++ b/test/org/traccar/helper/ChecksumTest.java
@@ -6,12 +6,13 @@ import org.junit.Assert;
 import org.junit.Test;
 
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 
 public class ChecksumTest {
 
     @Test
     public void testCrc16() {
-        ChannelBuffer buf = ChannelBuffers.copiedBuffer("123456789", Charset.defaultCharset());
+        ChannelBuffer buf = ChannelBuffers.copiedBuffer("123456789", StandardCharsets.US_ASCII);
 
         Assert.assertEquals(0x906e, Checksum.crc16(Checksum.CRC16_X25, buf.toByteBuffer()));
         Assert.assertEquals(0x29b1, Checksum.crc16(Checksum.CRC16_CCITT_FALSE, buf.toByteBuffer()));
diff --git a/test/org/traccar/helper/StringFinderTest.java b/test/org/traccar/helper/StringFinderTest.java
index 71f9215db..1c8234db1 100644
--- a/test/org/traccar/helper/StringFinderTest.java
+++ b/test/org/traccar/helper/StringFinderTest.java
@@ -8,6 +8,7 @@ import org.junit.Assert;
 import org.junit.Test;
 
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -17,7 +18,7 @@ public class StringFinderTest {
     @Test
     public void testFind() {
 
-        ChannelBuffer buf = ChannelBuffers.copiedBuffer("hello world", Charset.defaultCharset());
+        ChannelBuffer buf = ChannelBuffers.copiedBuffer("hello world", StandardCharsets.US_ASCII);
 
         Assert.assertEquals(-1, buf.indexOf(0, buf.writerIndex(), new StringFinder("bar")));
         Assert.assertEquals(6, buf.indexOf(0, buf.writerIndex(), new StringFinder("world")));