Remove trailing whitespace of line comments.

This fixed llvm.org/PR15378.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176351 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 8b1f69a76e..052c852a63 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -537,6 +537,13 @@ TEST_F(FormatTest, UnderstandsSingleLineComments) {
       "    aaaaaaaaaaaaaaaaaaaaaa);  // 81 cols with this comment");
 }
 
+TEST_F(FormatTest, RemovesTrailingWhitespaceOfComments) {
+  EXPECT_EQ("// comment", format("// comment  "));
+  EXPECT_EQ("int aaaaaaa, bbbbbbb; // comment",
+            format("int aaaaaaa, bbbbbbb; // comment                   ",
+                   getLLVMStyleWithColumns(33)));
+}
+
 TEST_F(FormatTest, UnderstandsMultiLineComments) {
   verifyFormat("f(/*test=*/ true);");
   EXPECT_EQ(