From 7f6e513b1fa798745d7cb918bd7a56d66607aed3 Mon Sep 17 00:00:00 2001
From: sneaxiy <sneaxiy@126.com>
Date: Thu, 20 Dec 2018 12:21:51 +0000
Subject: [PATCH] fix mac ci bug make forward declaration test=develop

---
 paddle/fluid/framework/var_type_traits.cc     | 13 ++++++
 paddle/fluid/framework/var_type_traits.h      | 43 +++++++++++++++----
 .../fluid/framework/var_type_traits_test.cc   | 31 +++++++------
 3 files changed, 64 insertions(+), 23 deletions(-)

diff --git a/paddle/fluid/framework/var_type_traits.cc b/paddle/fluid/framework/var_type_traits.cc
index 690c4895c1..c3c5bab23b 100644
--- a/paddle/fluid/framework/var_type_traits.cc
+++ b/paddle/fluid/framework/var_type_traits.cc
@@ -13,7 +13,20 @@
 // limitations under the License.
 
 #include "paddle/fluid/framework/var_type_traits.h"
+#include "paddle/fluid/framework/lod_rank_table.h"
+#include "paddle/fluid/framework/reader.h"
+#include "paddle/fluid/framework/scope.h"
+#include "paddle/fluid/framework/selected_rows.h"
+#include "paddle/fluid/operators/reader/lod_tensor_blocking_queue.h"
 #include "paddle/fluid/platform/macros.h"
+#ifdef PADDLE_WITH_CUDA
+#ifndef _WIN32
+#include "paddle/fluid/operators/nccl/nccl_gpu_common.h"
+#endif
+#include <cudnn.h>
+#include "paddle/fluid/operators/conv_cudnn_op_cache.h"
+#include "paddle/fluid/operators/cudnn_rnn_cache.h"
+#endif
 
 namespace paddle {
 namespace framework {
diff --git a/paddle/fluid/framework/var_type_traits.h b/paddle/fluid/framework/var_type_traits.h
index a58414c3d4..b51b4933e6 100644
--- a/paddle/fluid/framework/var_type_traits.h
+++ b/paddle/fluid/framework/var_type_traits.h
@@ -20,23 +20,48 @@
 #include <typeinfo>
 #include <vector>
 #include "paddle/fluid/framework/framework.pb.h"
-#include "paddle/fluid/framework/lod_rank_table.h"
 #include "paddle/fluid/framework/lod_tensor_array.h"
-#include "paddle/fluid/framework/reader.h"
-#include "paddle/fluid/framework/selected_rows.h"
-#include "paddle/fluid/operators/reader/lod_tensor_blocking_queue.h"
-#include "paddle/fluid/platform/enforce.h"
 #include "paddle/fluid/platform/place.h"
 #ifdef PADDLE_WITH_CUDA
+#include <cudnn.h>
 #ifndef _WIN32
 #include <nccl.h>
-#include "paddle/fluid/operators/nccl/nccl_gpu_common.h"
 #endif
-#include <cudnn.h>
-#include "paddle/fluid/operators/conv_cudnn_op_cache.h"
-#include "paddle/fluid/operators/cudnn_rnn_cache.h"
 #endif
 
+// Users should add forward declarations here
+namespace paddle {
+
+namespace platform {
+#ifdef PADDLE_WITH_CUDA
+#ifndef _WIN32
+class Communicator;
+#endif
+#endif
+}  // namespace platform
+
+namespace framework {
+class Tensor;
+class LoDTensor;
+class SelectedRows;
+class LoDRankTable;
+class ReaderHolder;
+class Scope;
+}  // namespace framework
+
+namespace operators {
+template <typename T>
+class AlgorithmsCache;
+
+class CudnnRNNCache;
+
+namespace reader {
+class LoDTensorBlockingQueueHolder;
+}  // namespace reader
+}  // namespace operators
+
+}  // namespace paddle
+
 namespace paddle {
 namespace framework {
 
diff --git a/paddle/fluid/framework/var_type_traits_test.cc b/paddle/fluid/framework/var_type_traits_test.cc
index 4dad4cb27b..1c7d9f2abe 100644
--- a/paddle/fluid/framework/var_type_traits_test.cc
+++ b/paddle/fluid/framework/var_type_traits_test.cc
@@ -12,12 +12,25 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "paddle/fluid/framework/var_type_traits.h"
 #include <gtest/gtest.h>
 #include <cstdint>
 #include <iostream>
 #include <unordered_set>
 
+#include "paddle/fluid/framework/lod_rank_table.h"
+#include "paddle/fluid/framework/reader.h"
+#include "paddle/fluid/framework/scope.h"
+#include "paddle/fluid/framework/selected_rows.h"
+#include "paddle/fluid/framework/var_type_traits.h"
+#include "paddle/fluid/operators/reader/lod_tensor_blocking_queue.h"
+#ifdef PADDLE_WITH_CUDA
+#ifndef _WIN32
+#include "paddle/fluid/operators/nccl/nccl_gpu_common.h"
+#endif
+#include "paddle/fluid/operators/conv_cudnn_op_cache.h"
+#include "paddle/fluid/operators/cudnn_rnn_cache.h"
+#endif
+
 namespace paddle {
 namespace framework {
 
@@ -32,19 +45,9 @@ struct TypeIndexChecker {
     constexpr auto kId = VarTypeTrait<Type>::kId;
     std::type_index actual_type(typeid(Type));
     EXPECT_EQ(std::string(ToTypeName(kId)), std::string(actual_type.name()));
-    // For some reasons, comparing std::type_index using EXPECT_EQ would fail
-    // in MAC CI
-    bool is_same_type_index = (ToTypeIndex(kId) == actual_type);
-    if (!is_same_type_index) {
-      std::string s1 = ToTypeName(kId);
-      std::string s2 = actual_type.name();
-      PADDLE_THROW("Step %d: type %s is not the same as %s, var_id %d", kPos,
-                   s1.c_str(), s2.c_str(), kId);
-    }
-    EXPECT_TRUE(is_same_type_index);
-    EXPECT_TRUE(ToTypeId(actual_type) == kId);  // NOLINT
-    is_same_type_index = (ToTypeIndex(ToTypeId(actual_type)) == actual_type);
-    EXPECT_TRUE(is_same_type_index);
+    EXPECT_EQ(ToTypeIndex(kId), actual_type);
+    EXPECT_EQ(ToTypeId(actual_type), kId);
+    EXPECT_EQ(ToTypeIndex(ToTypeId(actual_type)), actual_type);
     EXPECT_EQ(ToTypeId(ToTypeIndex(kId)), kId);
 
     EXPECT_TRUE(var_id_set->count(kId) == 0);              // NOLINT
-- 
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