4 files changed, 202 insertions, 0 deletions
diff --git a/vendor/env_logger/tests/init-twice-retains-filter.rs b/vendor/env_logger/tests/init-twice-retains-filter.rs
new file mode 100644
index 000000000..673da3fd2
--- /dev/null
+++ b/vendor/env_logger/tests/init-twice-retains-filter.rs
@@ -0,0 +1,40 @@
+extern crate env_logger;
+extern crate log;
+
+use std::env;
+use std::process;
+use std::str;
+
+fn main() {
+    if env::var("YOU_ARE_TESTING_NOW").is_ok() {
+        // Init from the env (which should set the max level to `Debug`)
+        env_logger::init();
+
+        assert_eq!(log::LevelFilter::Debug, log::max_level());
+
+        // Init again using a different max level
+        // This shouldn't clobber the level that was previously set
+        env_logger::Builder::new()
+            .parse_filters("info")
+            .try_init()
+            .unwrap_err();
+
+        assert_eq!(log::LevelFilter::Debug, log::max_level());
+        return;
+    }
+
+    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);
+}
diff --git a/vendor/env_logger/tests/log-in-log.rs b/vendor/env_logger/tests/log-in-log.rs
new file mode 100644
index 000000000..89517ff36
--- /dev/null
+++ b/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);
+}
diff --git a/vendor/env_logger/tests/log_tls_dtors.rs b/vendor/env_logger/tests/log_tls_dtors.rs
new file mode 100644
index 000000000..5db87bd6c
--- /dev/null
+++ b/vendor/env_logger/tests/log_tls_dtors.rs
@@ -0,0 +1,66 @@
+#[macro_use]
+extern crate log;
+extern crate env_logger;
+
+use std::env;
+use std::process;
+use std::str;
+use std::thread;
+
+struct DropMe;
+
+impl Drop for DropMe {
+    fn drop(&mut self) {
+        debug!("Dropping now");
+    }
+}
+
+fn run() {
+    // Use multiple thread local values to increase the chance that our TLS
+    // value will get destroyed after the FORMATTER key in the library
+    thread_local! {
+        static DROP_ME_0: DropMe = DropMe;
+        static DROP_ME_1: DropMe = DropMe;
+        static DROP_ME_2: DropMe = DropMe;
+        static DROP_ME_3: DropMe = DropMe;
+        static DROP_ME_4: DropMe = DropMe;
+        static DROP_ME_5: DropMe = DropMe;
+        static DROP_ME_6: DropMe = DropMe;
+        static DROP_ME_7: DropMe = DropMe;
+        static DROP_ME_8: DropMe = DropMe;
+        static DROP_ME_9: DropMe = DropMe;
+    }
+    DROP_ME_0.with(|_| {});
+    DROP_ME_1.with(|_| {});
+    DROP_ME_2.with(|_| {});
+    DROP_ME_3.with(|_| {});
+    DROP_ME_4.with(|_| {});
+    DROP_ME_5.with(|_| {});
+    DROP_ME_6.with(|_| {});
+    DROP_ME_7.with(|_| {});
+    DROP_ME_8.with(|_| {});
+    DROP_ME_9.with(|_| {});
+}
+
+fn main() {
+    env_logger::init();
+    if env::var("YOU_ARE_TESTING_NOW").is_ok() {
+        // Run on a separate thread because TLS values on the main thread
+        // won't have their destructors run if pthread is used.
+        // https://doc.rust-lang.org/std/thread/struct.LocalKey.html#platform-specific-behavior
+        thread::spawn(run).join().unwrap();
+    } else {
+        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() {
+            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);
+        }
+    }
+}
diff --git a/vendor/env_logger/tests/regexp_filter.rs b/vendor/env_logger/tests/regexp_filter.rs
new file mode 100644
index 000000000..40178bac7
--- /dev/null
+++ b/vendor/env_logger/tests/regexp_filter.rs
@@ -0,0 +1,57 @@
+#[macro_use]
+extern crate log;
+extern crate env_logger;
+
+use std::env;
+use std::process;
+use std::str;
+
+fn main() {
+    if env::var("LOG_REGEXP_TEST").ok() == Some(String::from("1")) {
+        child_main();
+    } else {
+        parent_main()
+    }
+}
+
+fn child_main() {
+    env_logger::init();
+    info!("XYZ Message");
+}
+
+fn run_child(rust_log: String) -> bool {
+    let exe = env::current_exe().unwrap();
+    let out = process::Command::new(exe)
+        .env("LOG_REGEXP_TEST", "1")
+        .env("RUST_LOG", rust_log)
+        .output()
+        .unwrap_or_else(|e| panic!("Unable to start child process: {}", e));
+    str::from_utf8(out.stderr.as_ref())
+        .unwrap()
+        .contains("XYZ Message")
+}
+
+fn assert_message_printed(rust_log: &str) {
+    if !run_child(rust_log.to_string()) {
+        panic!("RUST_LOG={} should allow the test log message", rust_log)
+    }
+}
+
+fn assert_message_not_printed(rust_log: &str) {
+    if run_child(rust_log.to_string()) {
+        panic!(
+            "RUST_LOG={} should not allow the test log message",
+            rust_log
+        )
+    }
+}
+
+fn parent_main() {
+    // test normal log severity levels
+    assert_message_printed("info");
+    assert_message_not_printed("warn");
+
+    // test of regular expression filters
+    assert_message_printed("info/XYZ");
+    assert_message_not_printed("info/XXX");
+}