2 files changed, 19 insertions, 3 deletions
diff --git a/azalea-buf/src/lib.rs b/azalea-buf/src/lib.rs
index 568b542e..73d76949 100755
--- a/azalea-buf/src/lib.rs
+++ b/azalea-buf/src/lib.rs
@@ -143,6 +143,21 @@ mod tests {
     }
 
     #[test]
+    fn test_write_varlong() {
+        let mut buf = Vec::new();
+        0u64.var_write_into(&mut buf).unwrap();
+        assert_eq!(buf, vec![0]);
+
+        let mut buf = Vec::new();
+        1u64.var_write_into(&mut buf).unwrap();
+        assert_eq!(buf, vec![1]);
+
+        let mut buf = Vec::new();
+        9223372036854775807u64.var_write_into(&mut buf).unwrap();
+        assert_eq!(buf, vec![255, 255, 255, 255, 255, 255, 255, 255, 127]);
+    }
+
+    #[test]
     fn test_list() {
         let original_vec = vec!["a".to_string(), "bc".to_string(), "def".to_string()];
 
diff --git a/azalea-buf/src/write.rs b/azalea-buf/src/write.rs
index e00ddce9..161f8645 100755
--- a/azalea-buf/src/write.rs
+++ b/azalea-buf/src/write.rs
@@ -132,15 +132,16 @@ impl McBufVarWritable for i64 {
     fn var_write_into(&self, buf: &mut impl Write) -> Result<(), std::io::Error> {
         let mut buffer = [0];
         let mut value = *self;
+        if value == 0 {
+            buf.write_all(&buffer).unwrap();
+        }
         while value != 0 {
             buffer[0] = (value & 0b0111_1111) as u8;
             value = (value >> 7) & (i64::max_value() >> 6);
             if value != 0 {
                 buffer[0] |= 0b1000_0000;
             }
-            // this only writes a single byte, so write_all isn't necessary
-            // the let _ = is so clippy doesn't complain
-            let _ = buf.write(&buffer)?;
+            buf.write_all(&buffer)?;
         }
         Ok(())
     }