From cb83a299fa99498417795e4759d77012e6b727ac Mon Sep 17 00:00:00 2001
From: Bood Qian <bood@glowing.com>
Date: Sat, 4 Feb 2017 20:02:53 +0800
Subject: [PATCH] Add test cases for possible missing comma lint

---
 tests/compile-fail/formatting.rs | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/tests/compile-fail/formatting.rs b/tests/compile-fail/formatting.rs
index 096132b70937..6c6671b0aa40 100644
--- a/tests/compile-fail/formatting.rs
+++ b/tests/compile-fail/formatting.rs
@@ -98,10 +98,30 @@ fn main() {
     b = !false;
 
     // possible missing comma in an array
-    let mut c = &[
+    let _ = &[
         -1, -2, -3 // <= no coma here
         //~^ ERROR possibly missing a comma here
         //~| NOTE to remove this lint, add a comma or write the expr in a single line
         -4, -5, -6
     ];
+    let _ = &[
+        -1, -2, -3 // <= no coma here
+        //~^ ERROR possibly missing a comma here
+        //~| NOTE to remove this lint, add a comma or write the expr in a single line
+        *4, -5, -6
+    ];
+
+    // those are ok:
+    let _ = &[
+        -1, -2, -3,
+        -4, -5, -6
+    ];
+    let _ = &[
+        -1, -2, -3,
+        -4, -5, -6,
+    ];
+    let _ = &[
+        1 + 2, 3 +
+        4, 5 + 6,
+    ];
 }