1 files changed, 28 insertions, 0 deletions
diff --git a/third_party/rust/error-chain/tests/quick_main.rs b/third_party/rust/error-chain/tests/quick_main.rs
new file mode 100644
index 0000000000..4ada3b4e03
--- /dev/null
+++ b/third_party/rust/error-chain/tests/quick_main.rs
@@ -0,0 +1,28 @@
+#![allow(dead_code)]
+#[macro_use]
+extern crate error_chain;
+
+error_chain!();
+
+mod unit {
+    use super::*;
+    quick_main!(run);
+
+    fn run() -> Result<()> {
+        Ok(())
+    }
+}
+
+mod i32 {
+    use super::*;
+    quick_main!(run);
+
+    fn run() -> Result<i32> {
+        Ok(1)
+    }
+}
+
+mod closure {
+    use super::*;
+    quick_main!(|| -> Result<()> { Ok(()) });
+}