From 8b9bd1650591b8f6ae2d3c5b0042848fe02af2ef Mon Sep 17 00:00:00 2001
From: chentianyu03 <chentianyu03@baidu.com>
Date: Tue, 10 Aug 2021 19:03:15 +0800
Subject: [PATCH] fix format_string_append test cast,test=develop (#34753)

---
 paddle/fluid/string/string_helper_test.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/paddle/fluid/string/string_helper_test.cc b/paddle/fluid/string/string_helper_test.cc
index deeb4bdcc82..4796bf7507a 100644
--- a/paddle/fluid/string/string_helper_test.cc
+++ b/paddle/fluid/string/string_helper_test.cc
@@ -33,10 +33,10 @@ TEST(StringHelper, EndsWith) {
 
 TEST(StringHelper, FormatStringAppend) {
   std::string str("hello");
-  char fmt[] = "hhh";
+  char fmt[] = "%d";
 
-  paddle::string::format_string_append(str, fmt);
-  EXPECT_EQ(str, "hellohhh");
+  paddle::string::format_string_append(str, fmt, 10);
+  EXPECT_EQ(str, "hello10");
 }
 
 TEST(StringHelper, JoinStrings) {
-- 
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