Automated g4 rollback of changelist 189060958

PiperOrigin-RevId: 189110935

2 files changed, 0 insertions, 74 deletions

diff --git a/tensorflow/core/lib/hash/hash.h b/tensorflow/core/lib/hash/hash.h
index ca05e6346e..77b8031598 100644
--- a/tensorflow/core/lib/hash/hash.h
+++ b/tensorflow/core/lib/hash/hash.h
@@ -76,7 +76,6 @@ struct hash<StringPiece> {
     return static_cast<size_t>(Hash64(sp.data(), sp.size()));
   }
 };
-using StringPieceHasher = ::tensorflow::hash<StringPiece>;
 
 template <typename T, typename U>
 struct hash<std::pair<T, U>> {
diff --git a/tensorflow/core/lib/hash/hash_test.cc b/tensorflow/core/lib/hash/hash_test.cc
index 7d58313132..0e5f6c6803 100644
--- a/tensorflow/core/lib/hash/hash_test.cc
+++ b/tensorflow/core/lib/hash/hash_test.cc
@@ -13,8 +13,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 
-#include <map>
-#include <unordered_map>
 #include <vector>
 
 #include "tensorflow/core/lib/hash/hash.h"
@@ -83,75 +81,4 @@ static void BM_Hash32(int iters, int len) {
 }
 BENCHMARK(BM_Hash32)->Range(1, 1024);
 
-TEST(StringPieceHasher, Equality) {
-  StringPieceHasher hasher;
-
-  StringPiece s1("foo");
-  StringPiece s2("bar");
-  StringPiece s3("baz");
-  StringPiece s4("zot");
-
-  EXPECT_TRUE(hasher(s1) != hasher(s2));
-  EXPECT_TRUE(hasher(s1) != hasher(s3));
-  EXPECT_TRUE(hasher(s1) != hasher(s4));
-  EXPECT_TRUE(hasher(s2) != hasher(s3));
-  EXPECT_TRUE(hasher(s2) != hasher(s4));
-  EXPECT_TRUE(hasher(s3) != hasher(s4));
-
-  EXPECT_TRUE(hasher(s1) == hasher(s1));
-  EXPECT_TRUE(hasher(s2) == hasher(s2));
-  EXPECT_TRUE(hasher(s3) == hasher(s3));
-  EXPECT_TRUE(hasher(s4) == hasher(s4));
-}
-
-TEST(StringPieceHasher, HashMap) {
-  string s1("foo");
-  string s2("bar");
-  string s3("baz");
-
-  StringPiece p1(s1);
-  StringPiece p2(s2);
-  StringPiece p3(s3);
-
-  std::unordered_map<StringPiece, int, StringPieceHasher> map;
-
-  map.insert(std::make_pair(p1, 0));
-  map.insert(std::make_pair(p2, 1));
-  map.insert(std::make_pair(p3, 2));
-  EXPECT_EQ(map.size(), 3);
-
-  bool found[3] = {false, false, false};
-  for (auto const& val : map) {
-    int x = val.second;
-    EXPECT_TRUE(x >= 0 && x < 3);
-    EXPECT_TRUE(!found[x]);
-    found[x] = true;
-  }
-  EXPECT_EQ(found[0], true);
-  EXPECT_EQ(found[1], true);
-  EXPECT_EQ(found[2], true);
-
-  auto new_iter = map.find("zot");
-  EXPECT_TRUE(new_iter == map.end());
-
-  new_iter = map.find("bar");
-  EXPECT_TRUE(new_iter != map.end());
-
-  map.erase(new_iter);
-  EXPECT_EQ(map.size(), 2);
-
-  found[0] = false;
-  found[1] = false;
-  found[2] = false;
-  for (const auto& iter : map) {
-    int x = iter.second;
-    EXPECT_TRUE(x >= 0 && x < 3);
-    EXPECT_TRUE(!found[x]);
-    found[x] = true;
-  }
-  EXPECT_EQ(found[0], true);
-  EXPECT_EQ(found[1], false);
-  EXPECT_EQ(found[2], true);
-}
-
 }  // namespace tensorflow