Threading test more mean

src/lib.rs

@@ -276,7 +276,7 @@ impl Node {
                 pubs: Vec::new(),
             })
         } else {
-            eprintln!("{}", res);
+            eprintln!("could not create node{}", res);
             Err(())
         }
     }
@@ -368,7 +368,7 @@ impl Node {
             };
             Ok(p)
         } else {
-            eprintln!("{}", result);
+            eprintln!("could not create publisher {}", result);
             Err(())
         }
     }
@@ -491,7 +491,7 @@ where
         if result == RCL_RET_OK as i32 {
             Ok(())
         } else {
-            eprintln!("{}", result);
+            eprintln!("coult not publish {}", result);
             Err(())
         }
     }
@@ -508,7 +508,7 @@ where
         if result == RCL_RET_OK as i32 {
             Ok(())
         } else {
-            eprintln!("{}", result);
+            eprintln!("could not publish native {}", result);
             Err(())
         }
     }

tests/threads.rs

@@ -12,22 +12,25 @@ fn doesnt_crash() -> Result<(), ()> {
 
     for c in 0..10 {
         let mut ths = Vec::new();
-        for i in 0..10 {
+        for i in 0..30 {
+            // create concurrent nodes that max out the cpu
             let ctx = ctx.clone();
             ths.push(thread::spawn(move || {
                 let mut node = Node::create(ctx, &format!("testnode{}", i), "").unwrap();
+
+                // each with 10 publishers
+                for _j in 0..10 {
                     let p = node
                         .create_publisher::<std_msgs::msg::String>(&format!("/r2r{}", i))
                         .unwrap();
-
                     let to_send = std_msgs::msg::String {
                         data: format!("[node{}]: {}", i, c),
                     };
 
                     // move publisher to its own thread and publish as fast as we can
-                thread::spawn(move || {
-                    loop {
+                    thread::spawn(move || loop {
                         let res = p.publish(&to_send);
+                        thread::sleep(std::time::Duration::from_millis(1));
                         match res {
                             Ok(_) => (),
                             Err(_) => {
@@ -35,11 +38,14 @@ fn doesnt_crash() -> Result<(), ()> {
                                 break;
                             }
                         }
-                    }
                     });
+                }
+
+                // spin to simulate some load
+                for _j in 0..100 {
+                    node.spin_once(std::time::Duration::from_millis(10));
+                }
 
-                // wait for 1 sec before dropping
-                std::thread::sleep(Duration::from_millis(1000));
                 // println!("all done {}-{}", c, i);
             }));
         }