Support/PathV2: Add has_{root_path,root_name,root_directory,parent_path,filename,stem,extension} implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120559 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Support/Path.cpp b/unittests/Support/Path.cpp
index 27505ae..3f50e70 100644
--- a/unittests/Support/Path.cpp
+++ b/unittests/Support/Path.cpp
@@ -96,13 +96,21 @@
     }
     outs() << "]\n";
 
+    bool      bres;
     StringRef sfres;
+    TEST_PATH(has_root_path, *i, bres);
     TEST_PATH(root_path, *i, sfres);
+    TEST_PATH(has_root_name, *i, bres);
     TEST_PATH(root_name, *i, sfres);
+    TEST_PATH(has_root_directory, *i, bres);
     TEST_PATH(root_directory, *i, sfres);
+    TEST_PATH(has_parent_path, *i, bres);
     TEST_PATH(parent_path, *i, sfres);
+    TEST_PATH(has_filename, *i, bres);
     TEST_PATH(filename, *i, sfres);
+    TEST_PATH(has_stem, *i, bres);
     TEST_PATH(stem, *i, sfres);
+    TEST_PATH(has_extension, *i, bres);
     TEST_PATH(extension, *i, sfres);
 
     SmallString<16> temp_store;