clang-format: [JS] Test for parameter annotations.

Summary: Just to ensure no regressions, this already works fine.

Reviewers: djasper

Subscribers: cfe-commits, klimek

Differential Revision: http://reviews.llvm.org/D18950

llvm-svn: 265922
diff --git a/clang/unittests/Format/FormatTestJS.cpp b/clang/unittests/Format/FormatTestJS.cpp
index 9126824..5fa91e9 100644
--- a/clang/unittests/Format/FormatTestJS.cpp
+++ b/clang/unittests/Format/FormatTestJS.cpp
@@ -936,6 +936,9 @@
                "    return 'y';\n"
                "  }\n"
                "}");
+  verifyFormat("class C {\n"
+               "  private x(@A x: string) {}\n"
+               "}");
   verifyFormat("class X {}\n"
                "class Y {}");
 }