Don't put spaces around ##.

In Clang/LLVM this seems to be the more common formatting for ##s. There
might still be case that we miss, but we'll fix those as we go along.

Before:

  #define A(X)
    void function ## X();

After:

  #define A(X)
    void function##X();

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171862 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index c3f364db39..677b0e99bd 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -551,6 +551,15 @@ TEST_F(FormatTest, HashInMacroDefinition) {
                "  {       \\\n"
                "    f(#c);\\\n"
                "  }", getLLVMStyleWithColumns(11));
+
+  verifyFormat("#define A(X)         \\\n"
+               "  void function##X()", getLLVMStyleWithColumns(22));
+
+  verifyFormat("#define A(a, b, c)   \\\n"
+               "  void a##b##c()", getLLVMStyleWithColumns(22));
+
+  verifyFormat("#define A            \\\n"
+               "  void # ## #", getLLVMStyleWithColumns(22));
 }
 
 TEST_F(FormatTest, IndentPreprocessorDirectivesAtZero) {