1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/java/org/traccar/helper/BitBufferTest.java b/src/test/java/org/traccar/helper/BitBufferTest.java
new file mode 100644
index 000000000..c2abad36d
--- /dev/null
+++ b/src/test/java/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));
+    }
+
+}