Clang-format: detect unbalanced braces.

Reviewers: klimek, djasper

Reviewed By: klimek

CC: cfe-commits, silvas

Differential Revision: http://llvm-reviews.chandlerc.com/D176

llvm-svn: 169518
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index a2a37cf..c385e35 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -428,6 +428,7 @@
   EXPECT_EQ("{\n{\n}\n", format("{\n{\n}\n"));
   EXPECT_EQ("{\n  {\n}\n", format("{\n  {\n}\n"));
   EXPECT_EQ("{\n  {\n  }\n", format("{\n  {\n  }\n"));
+  EXPECT_EQ("{\n  {\n    }\n  }\n}\n", format("{\n  {\n    }\n  }\n}\n"));
 
   FormatStyle Style = getLLVMStyle();
   Style.ColumnLimit = 10;