[tests] check positional format args

Author: tstack

examples/basic.rs

@@ -8,10 +8,13 @@ fn main() {
         foo(i);
     }
     bar(4);
+    baz(5, 6);
 }
 
 fn foo(i: u32) {
     debug!("Hello from foo i={}", i);
 }
 
 fn bar(j: u32) { debug!("Hello from bar j={j}"); }
+
+fn baz(i: u32, j: u32) { debug!("Hello from baz i={1} j={0}", j, i); }

tests/resources/rust/basic.log

@@ -3,3 +3,4 @@
 [2024-05-09T19:58:53Z DEBUG basic] Hello from foo i=1
 [2024-05-09T19:58:53Z DEBUG basic] Hello from foo i=2
 [2024-05-09T19:58:53Z DEBUG basic] Hello from bar j=4
+[2024-05-09T19:58:53Z DEBUG basic] Hello from baz i=5 j=6

tests/snapshots/test_rust__basic.snap

@@ -13,10 +13,11 @@ info:
 success: true
 exit_code: 0
 ----- stdout -----
-{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":6,"column":11,"name":"main","text":"\"Hello from main\"","args":[],"vars":[]},"variables":{},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}]]}
-{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":14,"column":11,"name":"foo","text":"\"Hello from foo i={}\"","args":["Placeholder"],"vars":["i"]},"variables":{"i":"0"},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}]]}
-{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":14,"column":11,"name":"foo","text":"\"Hello from foo i={}\"","args":["Placeholder"],"vars":["i"]},"variables":{"i":"1"},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}]]}
-{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":14,"column":11,"name":"foo","text":"\"Hello from foo i={}\"","args":["Placeholder"],"vars":["i"]},"variables":{"i":"2"},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}]]}
-{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":17,"column":24,"name":"bar","text":"\"Hello from bar j={j}\"","args":[{"Named":"j"}],"vars":[]},"variables":{"j":"4"},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}]]}
+{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":6,"column":11,"name":"main","text":"\"Hello from main\"","args":[],"vars":[]},"variables":{},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":11,"column":4,"name":"main","text":"baz","args":[],"vars":[]}]]}
+{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":15,"column":11,"name":"foo","text":"\"Hello from foo i={}\"","args":["Placeholder"],"vars":["i"]},"variables":{"i":"0"},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":11,"column":4,"name":"main","text":"baz","args":[],"vars":[]}]]}
+{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":15,"column":11,"name":"foo","text":"\"Hello from foo i={}\"","args":["Placeholder"],"vars":["i"]},"variables":{"i":"1"},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":11,"column":4,"name":"main","text":"baz","args":[],"vars":[]}]]}
+{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":15,"column":11,"name":"foo","text":"\"Hello from foo i={}\"","args":["Placeholder"],"vars":["i"]},"variables":{"i":"2"},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":11,"column":4,"name":"main","text":"baz","args":[],"vars":[]}]]}
+{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":18,"column":24,"name":"bar","text":"\"Hello from bar j={j}\"","args":[{"Named":"j"}],"vars":[]},"variables":{"j":"4"},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":11,"column":4,"name":"main","text":"baz","args":[],"vars":[]}]]}
+{"srcRef":{"sourcePath":"{example_dir}/basic.rs","lineNumber":20,"column":32,"name":"baz","text":"\"Hello from baz i={1} j={0}\"","args":[{"Positional":1},{"Positional":0}],"vars":["j","i"]},"variables":{"j":"6","i":"5"},"stack":[[{"sourcePath":"{example_dir}/basic.rs","lineNumber":8,"column":8,"name":"main","text":"foo","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":10,"column":4,"name":"main","text":"bar","args":[],"vars":[]}],[{"sourcePath":"{example_dir}/basic.rs","lineNumber":11,"column":4,"name":"main","text":"baz","args":[],"vars":[]}]]}
 
 ----- stderr -----