Vendor things

third-party/vendor/env_logger/tests/log-in-log.rs

@@ -0,0 +1,39 @@
+#[macro_use]
+extern crate log;
+extern crate env_logger;
+
+use std::env;
+use std::fmt;
+use std::process;
+use std::str;
+
+struct Foo;
+
+impl fmt::Display for Foo {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        info!("test");
+        f.write_str("bar")
+    }
+}
+
+fn main() {
+    env_logger::init();
+    if env::var("YOU_ARE_TESTING_NOW").is_ok() {
+        return info!("{}", Foo);
+    }
+
+    let exe = env::current_exe().unwrap();
+    let out = process::Command::new(exe)
+        .env("YOU_ARE_TESTING_NOW", "1")
+        .env("RUST_LOG", "debug")
+        .output()
+        .unwrap_or_else(|e| panic!("Unable to start child process: {}", e));
+    if out.status.success() {
+        return;
+    }
+
+    println!("test failed: {}", out.status);
+    println!("--- stdout\n{}", str::from_utf8(&out.stdout).unwrap());
+    println!("--- stderr\n{}", str::from_utf8(&out.stderr).unwrap());
+    process::exit(1);
+}