clang-format: Improve c-style cast detection.

Before:
  #define x ((int) - 1)
  #define p(q) ((int *) & q)
After:
  #define x ((int)-1)
  #define p(q) ((int *)&q)

llvm-svn: 186324

1 files changed, 2 insertions, 0 deletions

diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 01dd38e3c30..c8827c8dec6 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -3565,6 +3565,8 @@ TEST_F(FormatTest, FormatsCasts) {
   verifyFormat("my_int a = (my_int)2.0f;");
   verifyFormat("my_int a = (my_int)sizeof(int);");
   verifyFormat("return (my_int)aaa;");
+  verifyFormat("#define x ((int)-1)");
+  verifyFormat("#define p(q) ((int *)&q)");
 
   // FIXME: Without type knowledge, this can still fall apart miserably.
   verifyFormat("void f() { my_int a = (my_int) * b; }");