Vendor import of clang RELEASE_350/final tag r216957 (effectively, 3.5.0 release):

https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_350/final@216957

1 files changed, 14 insertions, 1 deletions

diff --git a/unittests/AST/ASTTypeTraitsTest.cpp b/unittests/AST/ASTTypeTraitsTest.cpp
index dd73b52..0e73f76 100644
--- a/unittests/AST/ASTTypeTraitsTest.cpp
+++ b/unittests/AST/ASTTypeTraitsTest.cpp
@@ -9,8 +9,8 @@
 
 
 #include "clang/AST/ASTTypeTraits.h"
-#include "gtest/gtest.h"
 #include "MatchVerifier.h"
+#include "gtest/gtest.h"
 
 using namespace clang::ast_matchers;
 
@@ -34,6 +34,19 @@ TEST(ASTNodeKind, Bases) {
   EXPECT_TRUE(DNT<Decl>().isSame(DNT<Decl>()));
 }
 
+TEST(ASTNodeKind, BaseDistances) {
+  unsigned Distance = 1;
+  EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<Expr>(), &Distance));
+  EXPECT_EQ(0u, Distance);
+
+  EXPECT_TRUE(DNT<Stmt>().isBaseOf(DNT<IfStmt>(), &Distance));
+  EXPECT_EQ(1u, Distance);
+
+  Distance = 3;
+  EXPECT_TRUE(DNT<DeclaratorDecl>().isBaseOf(DNT<ParmVarDecl>(), &Distance));
+  EXPECT_EQ(2u, Distance);
+}
+
 TEST(ASTNodeKind, SameBase) {
   EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<CallExpr>()));
   EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<BinaryOperator>()));