Eliminate std::tr1 references

Summary:
`std::tuple` and `std::unordered_map` have long been standardized and supported by every platform we care about.
Beyond that MSVC is starting to remove the tr1 namespace entirely, so these references don't work under the newest MSVC.

Reviewed By: yfeldblum

Differential Revision: D7389783

fbshipit-source-id: c089490360ebf15ac23925f71e991602fda3d7a0

folly/compression/test/CompressionTest.cpp

@@ -199,16 +199,15 @@ TEST(CompressionTestNeedsUncompressedLength, Simple) {
 }
 
 class CompressionTest
-    : public testing::TestWithParam<std::tr1::tuple<int, int, CodecType>> {
+    : public testing::TestWithParam<std::tuple<int, int, CodecType>> {
  protected:
   void SetUp() override {
     auto tup = GetParam();
-    int lengthLog = std::tr1::get<0>(tup);
+    int lengthLog = std::get<0>(tup);
     // Small hack to test empty data
-    uncompressedLength_ =
-        (lengthLog < 0) ? 0 : uint64_t(1) << std::tr1::get<0>(tup);
-    chunks_ = std::tr1::get<1>(tup);
-    codec_ = getCodec(std::tr1::get<2>(tup));
+    uncompressedLength_ = (lengthLog < 0) ? 0 : uint64_t(1) << std::get<0>(tup);
+    chunks_ = std::get<1>(tup);
+    codec_ = getCodec(std::get<2>(tup));
   }
 
   void runSimpleIOBufTest(const DataHolder& dh);
@@ -313,12 +312,12 @@ INSTANTIATE_TEST_CASE_P(
         testing::ValuesIn(availableCodecs())));
 
 class CompressionVarintTest
-    : public testing::TestWithParam<std::tr1::tuple<int, CodecType>> {
+    : public testing::TestWithParam<std::tuple<int, CodecType>> {
  protected:
   void SetUp() override {
     auto tup = GetParam();
-    uncompressedLength_ = uint64_t(1) << std::tr1::get<0>(tup);
-    codec_ = getCodec(std::tr1::get<1>(tup));
+    uncompressedLength_ = uint64_t(1) << std::get<0>(tup);
+    codec_ = getCodec(std::get<1>(tup));
   }
 
   void runSimpleTest(const DataHolder& dh);
@@ -1429,15 +1428,15 @@ TEST(ZlibTest, DefaultOptions) {
   }
 }
 
-class ZlibOptionsTest : public testing::TestWithParam<
-                            std::tr1::tuple<ZlibFormat, int, int, int>> {
+class ZlibOptionsTest
+    : public testing::TestWithParam<std::tuple<ZlibFormat, int, int, int>> {
  protected:
   void SetUp() override {
     auto tup = GetParam();
-    options_.format = std::tr1::get<0>(tup);
-    options_.windowSize = std::tr1::get<1>(tup);
-    options_.memLevel = std::tr1::get<2>(tup);
-    options_.strategy = std::tr1::get<3>(tup);
+    options_.format = std::get<0>(tup);
+    options_.windowSize = std::get<1>(tup);
+    options_.memLevel = std::get<2>(tup);
+    options_.strategy = std::get<3>(tup);
     codec_ = zlib::getStreamCodec(options_);
   }
 

folly/io/test/IOBufTest.cpp

@@ -848,13 +848,13 @@ enum BufType {
 
 // chain element size, number of elements in chain, shared
 class MoveToFbStringTest
-  : public ::testing::TestWithParam<std::tr1::tuple<int, int, bool, BufType>> {
+    : public ::testing::TestWithParam<std::tuple<int, int, bool, BufType>> {
  protected:
   void SetUp() override {
-    elementSize_ = std::tr1::get<0>(GetParam());
-    elementCount_ = std::tr1::get<1>(GetParam());
-    shared_ = std::tr1::get<2>(GetParam());
-    type_ = std::tr1::get<3>(GetParam());
+    elementSize_ = std::get<0>(GetParam());
+    elementCount_ = std::get<1>(GetParam());
+    shared_ = std::get<2>(GetParam());
+    type_ = std::get<3>(GetParam());
 
     buf_ = makeBuf();
     for (int i = 0; i < elementCount_ - 1; ++i) {