From c1b6c7eeae85e746023c357a03701abfa4e58e8d Mon Sep 17 00:00:00 2001
From: Michael Macias <zaeleus@gmail.com>
Date: Tue, 28 Nov 2023 12:09:18 -0600
Subject: [PATCH] bam/record/codec/encoder/position: Add tests

---
 .../src/record/codec/encoder/position.rs      | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/noodles-bam/src/record/codec/encoder/position.rs b/noodles-bam/src/record/codec/encoder/position.rs
index 6adaa85c5..c0595b3b3 100644
--- a/noodles-bam/src/record/codec/encoder/position.rs
+++ b/noodles-bam/src/record/codec/encoder/position.rs
@@ -20,3 +20,30 @@ where
 
     Ok(())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_put_position() -> Result<(), Box<dyn std::error::Error>> {
+        fn t(buf: &mut Vec<u8>, position: Option<Position>, expected: &[u8]) -> io::Result<()> {
+            buf.clear();
+            put_position(buf, position)?;
+            assert_eq!(buf, expected);
+            Ok(())
+        }
+
+        let mut buf = Vec::new();
+
+        t(&mut buf, None, &[0xff, 0xff, 0xff, 0xff])?;
+        t(&mut buf, Some(Position::MIN), &[0x00, 0x00, 0x00, 0x00])?;
+        t(
+            &mut buf,
+            Position::try_from(8).map(Some)?,
+            &[0x07, 0x00, 0x00, 0x00],
+        )?;
+
+        Ok(())
+    }
+}