From ab41a9ee8902dbf461b55ef9347071d7eb71fd76 Mon Sep 17 00:00:00 2001
From: Zhou Wei <52485244+zhouwei25@users.noreply.github.com>
Date: Thu, 10 Jun 2021 20:58:37 +0800
Subject: [PATCH] fix unittest failure due to the path is too long (#33447)

---
 paddle/fluid/platform/enforce.h       | 4 ++--
 paddle/fluid/platform/enforce_test.cc | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/paddle/fluid/platform/enforce.h b/paddle/fluid/platform/enforce.h
index d3890de89a5..c63ea3fa857 100644
--- a/paddle/fluid/platform/enforce.h
+++ b/paddle/fluid/platform/enforce.h
@@ -775,13 +775,13 @@ inline std::string GetExternalErrorMsg(T status) {
       }
     }
 #else
-    char buf[100];
+    char buf[512];
     MEMORY_BASIC_INFORMATION mbi;
     HMODULE h_module =
         (::VirtualQuery(GetCurrentTraceBackString, &mbi, sizeof(mbi)) != 0)
             ? (HMODULE)mbi.AllocationBase
             : NULL;
-    GetModuleFileName(h_module, buf, 100);
+    GetModuleFileName(h_module, buf, 512);
     std::string strModule(buf);
     const size_t last_slash_idx = strModule.find_last_of("\\");
     std::string compare_path = strModule.substr(strModule.length() - 7);
diff --git a/paddle/fluid/platform/enforce_test.cc b/paddle/fluid/platform/enforce_test.cc
index 842d4cc1392..95a852ad6e9 100644
--- a/paddle/fluid/platform/enforce_test.cc
+++ b/paddle/fluid/platform/enforce_test.cc
@@ -417,7 +417,7 @@ TEST(enforce, cuda_success) {
       "An unsupported value or parameter was passed to the function (a "
       "negative vector size, for example).To correct: ensure that all the "
       "parameters being passed have valid values"));
-  /*
+
 #if !defined(__APPLE__) && defined(PADDLE_WITH_NCCL)
   EXPECT_TRUE(CheckCudaStatusSuccess(ncclSuccess));
   EXPECT_TRUE(CheckCudaStatusFailure(ncclUnhandledCudaError, "NCCL error"));
@@ -430,7 +430,6 @@ TEST(enforce, cuda_success) {
                                      "The call to NCCL is incorrect. This is "
                                      "usually reflecting a programming error"));
 #endif
-*/
 }
 #endif
 #endif
-- 
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