Avoid writing to stdout during fuzz tests

TheBlueMatt · TheBlueMatt · commit 4f9b0fbd3f3b · 2018-12-03T13:58:50.000-05:00
diff --git a/fuzz/fuzz_targets/utils/test_logger.rs b/fuzz/fuzz_targets/utils/test_logger.rs
@@ -4,7 +4,9 @@ pub struct TestLogger {}
 
 impl Logger for TestLogger {
 	fn log(&self, record: &Record) {
-		#[cfg(any(test, not(feature = "fuzztarget")))]
+		#[cfg(test)]
 		println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
+		#[cfg(not(test))]
+		let _ = format!("{}", record.args);
 	}
 }

Original file line number	Diff line number	Diff line change
`@@ -4,7 +4,9 @@ pub struct TestLogger {}`
`4`	`4`
`5`	`5`	`impl Logger for TestLogger {`
`6`	`6`	`fn log(&self, record: &Record) {`
`7`		`- #[cfg(any(test, not(feature = "fuzztarget")))]`
	`7`	`+ #[cfg(test)]`
`8`	`8`	`println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);`
	`9`	`+ #[cfg(not(test))]`
	`10`	`+ let _ = format!("{}", record.args);`
`9`	`11`	`}`
`10`	`12`	`}`