commands: add missing debug asserts

src/commands/controlling_playback/pause.rs

@@ -10,12 +10,16 @@ impl Command for Pause {
     const COMMAND: &'static str = "pause";
 
     fn parse_request(mut parts: std::str::SplitWhitespace<'_>) -> RequestParserResult<'_> {
-        match parts.next() {
+        let result = match parts.next() {
             Some("0") => Ok((Request::Pause(Some(false)), "")),
             Some("1") => Ok((Request::Pause(Some(true)), "")),
             Some(s) => Err(RequestParserError::SyntaxError(0, s.to_string())),
             None => Ok((Request::Pause(None), "")),
-        }
+        };
+
+        debug_assert!(parts.next().is_none());
+
+        result
     }
 
     fn parse_response(

src/commands/controlling_playback/seek.rs

@@ -27,6 +27,8 @@ impl Command for Seek {
             None => return Err(RequestParserError::UnexpectedEOF),
         };
 
+        debug_assert!(parts.next().is_none());
+
         Ok((Request::Seek(songpos, time), ""))
     }
 

src/commands/controlling_playback/seekcur.rs

@@ -40,6 +40,8 @@ impl Command for SeekCur {
             ),
         };
 
+        debug_assert!(parts.next().is_none());
+
         Ok((Request::SeekCur(mode, time), ""))
     }
 

src/commands/controlling_playback/seekid.rs

@@ -27,6 +27,8 @@ impl Command for SeekId {
             None => return Err(RequestParserError::UnexpectedEOF),
         };
 
+        debug_assert!(parts.next().is_none());
+
         Ok((Request::SeekId(songid, time), ""))
     }
 

src/commands/music_database/listall.rs

@@ -21,6 +21,8 @@ impl Command for ListAll {
             })
             .transpose()?;
 
+        debug_assert!(parts.next().is_none());
+
         Ok((Request::ListAll(uri), ""))
     }
 

src/commands/music_database/listallinfo.rs

@@ -22,6 +22,8 @@ impl Command for ListAllInfo {
             })
             .transpose()?;
 
+        debug_assert!(parts.next().is_none());
+
         Ok((Request::ListAllInfo(uri), ""))
     }
 

src/commands/music_database/listfiles.rs

@@ -21,6 +21,8 @@ impl Command for ListFiles {
             })
             .transpose()?;
 
+        debug_assert!(parts.next().is_none());
+
         Ok((Request::ListFiles(uri), ""))
     }
 

src/commands/music_database/lsinfo.rs

@@ -21,6 +21,8 @@ impl Command for LsInfo {
             })
             .transpose()?;
 
+        debug_assert!(parts.next().is_none());
+
         Ok((Request::LsInfo(uri), ""))
     }
 

src/commands/querying_mpd_status/idle.rs

@@ -13,7 +13,7 @@ impl Command for Idle {
     const COMMAND: &'static str = "idle";
 
     fn parse_request(mut parts: SplitWhitespace<'_>) -> RequestParserResult<'_> {
-        parts
+        let result = parts
             .next()
             .map_or(Ok((Request::Idle(None), "")), |subsystems| {
                 let subsystems = subsystems
@@ -21,7 +21,11 @@ impl Command for Idle {
                     .map(|subsystem| SubSystem::from_str(subsystem).unwrap())
                     .collect();
                 Ok((Request::Idle(Some(subsystems)), ""))
-            })
+            });
+
+        debug_assert!(parts.next().is_none());
+
+        result
     }
 
     fn parse_response(

src/commands/querying_mpd_status/status.rs

@@ -162,7 +162,9 @@ impl Command for Status {
     type Response = StatusResponse;
     const COMMAND: &'static str = "status";
 
-    fn parse_request(_parts: std::str::SplitWhitespace<'_>) -> RequestParserResult<'_> {
+    fn parse_request(mut parts: std::str::SplitWhitespace<'_>) -> RequestParserResult<'_> {
+        debug_assert!(parts.next().is_none());
+
         Ok((Request::Status, ""))
     }