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authorAnton Tananaev <anton.tananaev@gmail.com>2015-10-06 16:55:31 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-10-06 16:55:31 +1300
commit2b9187ac736feeb661e2814af8fa534a335998d4 (patch)
tree18e89d33116194bc5f2fa90ea48b169608b81a76 /test/org/traccar/helper/ChecksumTest.java
parent6652e4c3e23da63d4277caaca7f91e651793f503 (diff)
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Clean up CRC-16 implementations
Diffstat (limited to 'test/org/traccar/helper/ChecksumTest.java')
-rw-r--r--test/org/traccar/helper/ChecksumTest.java21
1 files changed, 18 insertions, 3 deletions
diff --git a/test/org/traccar/helper/ChecksumTest.java b/test/org/traccar/helper/ChecksumTest.java
index ad112b940..a2e69eb5a 100644
--- a/test/org/traccar/helper/ChecksumTest.java
+++ b/test/org/traccar/helper/ChecksumTest.java
@@ -1,16 +1,31 @@
package org.traccar.helper;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
import org.junit.Assert;
import org.junit.Test;
+import java.nio.charset.Charset;
+
public class ChecksumTest {
-
+
@Test
- public void testLuhnChecksum() {
+ public void testCrc16() {
+ ChannelBuffer buf = ChannelBuffers.copiedBuffer("123456789", Charset.defaultCharset());
+ Assert.assertEquals(0x906e, Checksum.crc16(Checksum.CRC16_X25, buf.toByteBuffer()));
+ Assert.assertEquals(0x29b1, Checksum.crc16(Checksum.CRC16_CCITT_FALSE, buf.toByteBuffer()));
+ Assert.assertEquals(0x2189, Checksum.crc16(Checksum.CRC16_KERMIT, buf.toByteBuffer()));
+ Assert.assertEquals(0x31c3, Checksum.crc16(Checksum.CRC16_XMODEM, buf.toByteBuffer()));
+ Assert.assertEquals(0xe5cc, Checksum.crc16(Checksum.CRC16_AUG_CCITT, buf.toByteBuffer()));
+ Assert.assertEquals(0xd64e, Checksum.crc16(Checksum.CRC16_GENIBUS, buf.toByteBuffer()));
+ Assert.assertEquals(0x6f91, Checksum.crc16(Checksum.CRC16_MCRF4XX, buf.toByteBuffer()));
+ }
+
+ @Test
+ public void testLuhn() {
Assert.assertEquals(7, Checksum.luhn(12345678901234L));
Assert.assertEquals(0, Checksum.luhn(63070019470771L));
-
}
}