From 9d548e3aab48e9f13c51c5f974b06e29db8d1d0c Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 18 Dec 2016 23:33:27 +1300
Subject: Implement bit buffer utility

---
 test/org/traccar/helper/BitBufferTest.java         | 23 ++++++++++++++++
 .../traccar/protocol/AisProtocolDecoderTest.java   | 31 ++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 test/org/traccar/helper/BitBufferTest.java
 create mode 100644 test/org/traccar/protocol/AisProtocolDecoderTest.java

(limited to 'test/org/traccar')

diff --git a/test/org/traccar/helper/BitBufferTest.java b/test/org/traccar/helper/BitBufferTest.java
new file mode 100644
index 000000000..c2abad36d
--- /dev/null
+++ b/test/org/traccar/helper/BitBufferTest.java
@@ -0,0 +1,23 @@
+package org.traccar.helper;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class BitBufferTest {
+    
+    @Test
+    public void test() {
+        BitBuffer buffer = new BitBuffer();
+
+        buffer.write(0b100100);
+        buffer.write(0b110110);
+        buffer.write(0b111111);
+        buffer.write(0b111111);
+
+        assertEquals(0b100, buffer.readUnsigned(3));
+        assertEquals(-7, buffer.readSigned(4));
+        assertEquals(0b10110, buffer.readUnsigned(5));
+    }
+
+}
diff --git a/test/org/traccar/protocol/AisProtocolDecoderTest.java b/test/org/traccar/protocol/AisProtocolDecoderTest.java
new file mode 100644
index 000000000..a6c9d4c84
--- /dev/null
+++ b/test/org/traccar/protocol/AisProtocolDecoderTest.java
@@ -0,0 +1,31 @@
+package org.traccar.protocol;
+
+import org.junit.Test;
+import org.traccar.ProtocolTest;
+
+public class AisProtocolDecoderTest extends ProtocolTest {
+
+    @Test
+    public void testDecode() throws Exception {
+
+        AisProtocolDecoder decoder = new AisProtocolDecoder(new AisProtocol());
+
+        verifyPositions(decoder, text(
+                "!AIVDM,2,1,8,A,53UlSb01l>Ei=H4KF218PTpv222222222222221?8h=766gB0<Ck11DTp888,0*14s:MTb827ebc7686b,c:1481688227737*4d\\\r\n" +
+                "!AIVDM,2,2,8,A,88888888888,2*24\r\n" +
+                "!AIVDM,1,1,,A,13T=Qr0P001cmmLEf;A00?wN0PSU,0*29\r\n" +
+                "!AIVDM,1,1,,A,35Qf023Ohi1n5gdDRLW5FSQP00u@,0*18\r\n" +
+                "!AIVDM,1,1,,A,B3P@f>0000K6J;5KAIT03wpUkP06,0*5D\\s:MTb827ebc7686b,c:1481688230418*45\\\r\n" +
+                "!AIVDM,1,1,,B,B52Q8a@00Ul`9N5@ssbmCwr5oP06,0*36\r\n" +
+                "!AIVDM,1,1,,A,1815<S@01VQnKGlE0sk:WHcT0@O4,0*78\r\n" +
+                "!AIVDM,1,1,,A,35N7G;5OhQG?oJfE`G`cM9E`0001,0*6C\r\n" +
+                "!AIVDM,1,1,,B,13Ug;r0P011cqHJEevuEiOwf0L3h,0*6A\r\n" +
+                "!AIVDM,1,1,,A,13MKsr?0001dJC2Ee4W;jnal08Qj,0*00\r\n\r\n"));
+
+        verifyPositions(decoder, text(
+                "!AIVDM,1,1,,A,H3FUli4T000000000000001p0400,0*6E\\s:MTb827eba584a8,c:1481688176110*46\\\r\n" +
+                "!AIVDM,1,1,,B,13UhUh0P01QcoRTEdtB>4?v<2D=j,0*54\r\n\r\n"));
+
+    }
+
+}
-- 
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