clang-format: Fix bug when aligning trailing /**/-comments in macros.

Previously this could lead to a column limit violation with the
required escaped newlines.

llvm-svn: 207351

1 files changed, 11 insertions, 0 deletions

diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 398850c38ac..d18968afd5a 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -832,6 +832,17 @@ TEST_F(FormatTest, UnderstandsSingleLineComments) {
                    " // first\n"
                    "// at start\n"
                    "otherLine();"));
+
+  verifyFormat(
+      "#define A                                                  \\\n"
+      "  int i; /* iiiiiiiiiiiiiiiiiiiii */                       \\\n"
+      "  int jjjjjjjjjjjjjjjjjjjjjjjj; /* */",
+      getLLVMStyleWithColumns(60));
+  verifyFormat(
+      "#define A                                                   \\\n"
+      "  int i;                        /* iiiiiiiiiiiiiiiiiiiii */ \\\n"
+      "  int jjjjjjjjjjjjjjjjjjjjjjjj; /* */",
+      getLLVMStyleWithColumns(61));
 }
 
 TEST_F(FormatTest, KeepsParameterWithTrailingCommentsOnTheirOwnLine) {