From dcd3c0ed2e5b892aa3e5cae5c90db958fd9c90d6 Mon Sep 17 00:00:00 2001
From: Michael Killough <michaeljkillough@gmail.com>
Date: Tue, 16 May 2017 16:13:23 +0700
Subject: [PATCH] Add test for issue #1366.

As the comments in the issue state: it appears to work now, so this test
should just stop any regressions.

The second example in the issue description will format to the first,
which is then a fixed-point.
---
 tests/source/issue-1366.rs | 12 ++++++++++++
 tests/target/issue-1366.rs | 13 +++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 tests/source/issue-1366.rs
 create mode 100644 tests/target/issue-1366.rs

diff --git a/tests/source/issue-1366.rs b/tests/source/issue-1366.rs
new file mode 100644
index 00000000000..9d2964fc77c
--- /dev/null
+++ b/tests/source/issue-1366.rs
@@ -0,0 +1,12 @@
+fn main() {
+    fn f() -> Option<i32> {
+        Some("fffffffsssssssssddddssssfffffddddff").map(|s| s).map(|s| s.to_string()).map(|res| {
+            match Some(res) {
+                Some(ref s) if s == "" => 41,
+                Some(_) => 42,
+                _ => 43,
+            }
+        })
+    }
+    println!("{:?}", f())
+}
diff --git a/tests/target/issue-1366.rs b/tests/target/issue-1366.rs
new file mode 100644
index 00000000000..927aabc5018
--- /dev/null
+++ b/tests/target/issue-1366.rs
@@ -0,0 +1,13 @@
+fn main() {
+    fn f() -> Option<i32> {
+        Some("fffffffsssssssssddddssssfffffddddff")
+            .map(|s| s)
+            .map(|s| s.to_string())
+            .map(|res| match Some(res) {
+                     Some(ref s) if s == "" => 41,
+                     Some(_) => 42,
+                     _ => 43,
+                 })
+    }
+    println!("{:?}", f())
+}