Multi-line comment alignment

Summary:
Aligns continuation lines of multi-line comments to the base
indentation level +1:
class A {
  /*
   * test
   */
  void f() {}
};

The first revision is work in progress. The implementation is not yet complete.

Reviewers: djasper

Reviewed By: djasper

CC: cfe-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D541

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177080 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 35 insertions, 0 deletions

diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 3044c69cd0..ca7ed62ed1 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -608,6 +608,41 @@ TEST_F(FormatTest, UnderstandsMultiLineComments) {
                NoBinPacking);
 }
 
+TEST_F(FormatTest, AlignsMultiLineComments) {
+  EXPECT_EQ("/*\n"
+            " * Really multi-line\n"
+            " * comment.\n"
+            " */\n"
+            "void f() {}",
+            format("  /*\n"
+                   "   * Really multi-line\n"
+                   "   * comment.\n"
+                   "   */\n"
+                   "  void f() {}"));
+  EXPECT_EQ("/*\n"
+            "   A comment.\n"
+            " */\n"
+            "void f() {}",
+            format("  /*\n"
+                   "           A comment.\n"
+                   "   */\n"
+                   "   void f() {}"));
+  EXPECT_EQ("class C {\n"
+            "  /*\n"
+            "   * Another multi-line\n"
+            "   * comment.\n"
+            "   */\n"
+            "  void f() {}\n"
+            "};",
+            format("class C {\n"
+                   "/*\n"
+                   " * Another multi-line\n"
+                   " * comment.\n"
+                   " */\n"
+                   "void f() {}\n"
+                   "};"));
+}
+
 TEST_F(FormatTest, CommentsInStaticInitializers) {
   EXPECT_EQ(
       "static SomeType type = { aaaaaaaaaaaaaaaaaaaa, /* comment */\n"