diff --git a/Dockerfile b/Dockerfile
index 06a3d8930769bca2599a7afedb3683b2207cb302..8ac123bf9c0f24b47b741611f3b80213c61b82e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,7 @@ RUN apt-get update && \
     wget unzip unrar tar xz-utils bzip2 gzip coreutils ntp \
     curl sed grep graphviz libjpeg-dev zlib1g-dev  \
     python-matplotlib gcc-4.8 g++-4.8 \
-    automake locales clang-format-3.8 swig doxygen cmake  \
+    automake locales clang-format swig doxygen cmake  \
     liblapack-dev liblapacke-dev libboost-dev \
     clang-3.8 llvm-3.8 libclang-3.8-dev \
     net-tools && \
diff --git a/paddle/platform/CMakeLists.txt b/paddle/platform/CMakeLists.txt
index bd77bb7daa50e0b273f110624ddf6f4b79a3ceab..4154aad15c39119e2f155cb2c7b5177b5aa78022 100644
--- a/paddle/platform/CMakeLists.txt
+++ b/paddle/platform/CMakeLists.txt
@@ -8,7 +8,7 @@ cc_test(place_test SRCS place_test.cc DEPS place glog gflags)
 
 add_subdirectory(dynload)
 
-cc_test(enforce_test SRCS enforce_test.cc)
+cc_test(enforce_test SRCS enforce_test.cc DEPS stringpiece)
 
 IF(WITH_GPU)
     set(GPU_CTX_DEPS dynload_cuda dynamic_loader)
diff --git a/paddle/platform/enforce_test.cc b/paddle/platform/enforce_test.cc
index 4dfb69754608cb1120baa295072c3d031a4e1a7b..5408fce558ab0d9c369aaba22374315fe553ce0f 100644
--- a/paddle/platform/enforce_test.cc
+++ b/paddle/platform/enforce_test.cc
@@ -13,6 +13,10 @@ limitations under the License. */
 
 #include "gtest/gtest.h"
 #include "paddle/platform/enforce.h"
+#include "paddle/string/piece.h"
+
+using StringPiece = paddle::string::Piece;
+using paddle::string::HasPrefix;
 
 TEST(ENFORCE, OK) {
   PADDLE_ENFORCE(true, "Enforce is ok %d now %f", 123, 0.345);
@@ -22,19 +26,15 @@ TEST(ENFORCE, OK) {
 }
 
 TEST(ENFORCE, FAILED) {
-  bool in_catch = false;
+  bool caught_exception = false;
   try {
     PADDLE_ENFORCE(false, "Enforce is not ok %d at all", 123);
   } catch (paddle::platform::EnforceNotMet error) {
-    // your error handling code here
-    in_catch = true;
-    std::string msg = "Enforce is not ok 123 at all";
-    const char* what = error.what();
-    for (size_t i = 0; i < msg.length(); ++i) {
-      ASSERT_EQ(what[i], msg[i]);
-    }
+    caught_exception = true;
+    EXPECT_TRUE(
+        HasPrefix(StringPiece(error.what()), "Enforce is not ok 123 at all"));
   }
-  ASSERT_TRUE(in_catch);
+  EXPECT_TRUE(caught_exception);
 }
 
 TEST(ENFORCE, NO_ARG_OK) {
@@ -47,41 +47,27 @@ TEST(ENFORCE, NO_ARG_OK) {
 
 TEST(ENFORCE_EQ, NO_EXTRA_MSG_FAIL) {
   int a = 2;
-  bool in_catch = false;
-
+  bool caught_exception = false;
   try {
     PADDLE_ENFORCE_EQ(a, 1 + 3);
-
   } catch (paddle::platform::EnforceNotMet error) {
-    in_catch = true;
-    const std::string msg = "enforce a == 1 + 3 failed, 2 != 4";
-    const char* what = error.what();
-    for (size_t i = 0; i < msg.length(); ++i) {
-      ASSERT_EQ(what[i], msg[i]);
-    }
+    caught_exception = true;
+    HasPrefix(StringPiece(error.what()), "enforce a == 1 + 3 failed, 2 != 4");
   }
-
-  ASSERT_TRUE(in_catch);
+  EXPECT_TRUE(caught_exception);
 }
 
 TEST(ENFORCE_EQ, EXTRA_MSG_FAIL) {
   int a = 2;
-  bool in_catch = false;
-
+  bool caught_exception = false;
   try {
     PADDLE_ENFORCE_EQ(a, 1 + 3, "%s size not match", "their");
-
   } catch (paddle::platform::EnforceNotMet error) {
-    in_catch = true;
-    const std::string msg =
-        "enforce a == 1 + 3 failed, 2 != 4\ntheir size not match";
-    const char* what = error.what();
-    for (size_t i = 0; i < msg.length(); ++i) {
-      ASSERT_EQ(what[i], msg[i]);
-    }
+    caught_exception = true;
+    HasPrefix(StringPiece(error.what()),
+              "enforce a == 1 + 3 failed, 2 != 4\ntheir size not match");
   }
-
-  ASSERT_TRUE(in_catch);
+  EXPECT_TRUE(caught_exception);
 }
 
 TEST(ENFORCE_NE, OK) {
@@ -89,42 +75,32 @@ TEST(ENFORCE_NE, OK) {
   PADDLE_ENFORCE_NE(1.0, 2UL);
 }
 TEST(ENFORCE_NE, FAIL) {
-  bool in_catch = false;
+  bool caught_exception = false;
 
   try {
     // 2UL here to check data type compatible
     PADDLE_ENFORCE_NE(1.0, 1UL);
-
   } catch (paddle::platform::EnforceNotMet error) {
-    in_catch = true;
-    const std::string msg = "enforce 1.0 != 1UL failed, 1.000000 == 1";
-    const char* what = error.what();
-    for (size_t i = 0; i < msg.length(); ++i) {
-      ASSERT_EQ(what[i], msg[i]);
-    }
+    caught_exception = true;
+    EXPECT_TRUE(HasPrefix(StringPiece(error.what()),
+                          "enforce 1.0 != 1UL failed, 1.000000 == 1"))
+        << error.what() << " does not have expected prefix";
   }
-
-  ASSERT_TRUE(in_catch);
+  EXPECT_TRUE(caught_exception);
 }
 
 TEST(ENFORCE_GT, OK) { PADDLE_ENFORCE_GT(2, 1); }
 TEST(ENFORCE_GT, FAIL) {
-  bool in_catch = false;
-
+  bool caught_exception = false;
   try {
-    // 2UL here to check data type compatible
     PADDLE_ENFORCE_GT(1, 2UL);
 
   } catch (paddle::platform::EnforceNotMet error) {
-    in_catch = true;
-    const std::string msg = "enforce 1 > 2UL failed, 1 <= 2";
-    const char* what = error.what();
-    for (size_t i = 0; i < msg.length(); ++i) {
-      ASSERT_EQ(what[i], msg[i]);
-    }
+    caught_exception = true;
+    EXPECT_TRUE(
+        HasPrefix(StringPiece(error.what()), "enforce 1 > 2UL failed, 1 <= 2"));
   }
-
-  ASSERT_TRUE(in_catch);
+  EXPECT_TRUE(caught_exception);
 }
 
 TEST(ENFORCE_GE, OK) {
@@ -134,21 +110,16 @@ TEST(ENFORCE_GE, OK) {
   PADDLE_ENFORCE_GE(3.21, 2UL);
 }
 TEST(ENFORCE_GE, FAIL) {
-  bool in_catch = false;
-
+  bool caught_exception = false;
   try {
     PADDLE_ENFORCE_GE(1, 2UL);
 
   } catch (paddle::platform::EnforceNotMet error) {
-    in_catch = true;
-    const std::string msg = "enforce 1 >= 2UL failed, 1 < 2";
-    const char* what = error.what();
-    for (size_t i = 0; i < msg.length(); ++i) {
-      ASSERT_EQ(what[i], msg[i]);
-    }
+    caught_exception = true;
+    EXPECT_TRUE(
+        HasPrefix(StringPiece(error.what()), "enforce 1 >= 2UL failed, 1 < 2"));
   }
-
-  ASSERT_TRUE(in_catch);
+  EXPECT_TRUE(caught_exception);
 }
 
 TEST(ENFORCE_LE, OK) {
@@ -159,21 +130,16 @@ TEST(ENFORCE_LE, OK) {
   PADDLE_ENFORCE_LE(2UL, 3.2);
 }
 TEST(ENFORCE_LE, FAIL) {
-  bool in_catch = false;
-
+  bool caught_exception = false;
   try {
     PADDLE_ENFORCE_GT(1, 2UL);
 
   } catch (paddle::platform::EnforceNotMet error) {
-    in_catch = true;
-    const std::string msg = "enforce 1 > 2UL failed, 1 <= 2";
-    const char* what = error.what();
-    for (size_t i = 0; i < msg.length(); ++i) {
-      ASSERT_EQ(what[i], msg[i]);
-    }
+    caught_exception = true;
+    EXPECT_TRUE(
+        HasPrefix(StringPiece(error.what()), "enforce 1 > 2UL failed, 1 <= 2"));
   }
-
-  ASSERT_TRUE(in_catch);
+  EXPECT_TRUE(caught_exception);
 }
 
 TEST(ENFORCE_LT, OK) {
@@ -182,21 +148,15 @@ TEST(ENFORCE_LT, OK) {
   PADDLE_ENFORCE_LT(2UL, 3);
 }
 TEST(ENFORCE_LT, FAIL) {
-  bool in_catch = false;
-
+  bool caught_exception = false;
   try {
     PADDLE_ENFORCE_LT(1UL, 0.12);
-
   } catch (paddle::platform::EnforceNotMet error) {
-    in_catch = true;
-    const std::string msg = "enforce 1UL < 0.12 failed, 1 >= 0.12";
-    const char* what = error.what();
-    for (size_t i = 0; i < msg.length(); ++i) {
-      ASSERT_EQ(what[i], msg[i]);
-    }
+    caught_exception = true;
+    EXPECT_TRUE(HasPrefix(StringPiece(error.what()),
+                          "enforce 1UL < 0.12 failed, 1 >= 0.12"));
   }
-
-  ASSERT_TRUE(in_catch);
+  EXPECT_TRUE(caught_exception);
 }
 
 TEST(ENFORCE_NOT_NULL, OK) {
@@ -205,20 +165,14 @@ TEST(ENFORCE_NOT_NULL, OK) {
   delete a;
 }
 TEST(ENFORCE_NOT_NULL, FAIL) {
-  bool in_catch = false;
-  int* a{nullptr};
-
+  bool caught_exception = false;
   try {
+    int* a = nullptr;
     PADDLE_ENFORCE_NOT_NULL(a);
 
   } catch (paddle::platform::EnforceNotMet error) {
-    in_catch = true;
-    const std::string msg = "a should not be null";
-    const char* what = error.what();
-    for (size_t i = 0; i < msg.length(); ++i) {
-      ASSERT_EQ(what[i], msg[i]);
-    }
+    caught_exception = true;
+    EXPECT_TRUE(HasPrefix(StringPiece(error.what()), "a should not be null"));
   }
-
-  ASSERT_TRUE(in_catch);
+  EXPECT_TRUE(caught_exception);
 }