Format: support inline namespaces

Correct handling for C++17 inline namespaces.  We would previously fail to
identify the inline namespaces as a namespace name since multiple ones may be
concatenated now with C++17.

llvm-svn: 251690

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index eaa31b1ebfa..1c68d67956c 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -2192,6 +2192,13 @@ TEST_F(FormatTest, FormatsNamespaces) {
                    "}    // my_namespace\n"
                    "#endif    // HEADER_GUARD"));
 
+  EXPECT_EQ("namespace A::B {\n"
+            "class C {};\n"
+            "}",
+            format("namespace A::B {\n"
+                   "class C {};\n"
+                   "}"));
+
   FormatStyle Style = getLLVMStyle();
   Style.NamespaceIndentation = FormatStyle::NI_All;
   EXPECT_EQ("namespace out {\n"