diff --git a/ecmascript/extractortool/tests/source_map_test.cpp b/ecmascript/extractortool/tests/source_map_test.cpp
index 435e08be32c6e0795a0d28bc78b85475165fba22..841d4b523b8266846e0e68b15e808bde2bbbe330 100644
--- a/ecmascript/extractortool/tests/source_map_test.cpp
+++ b/ecmascript/extractortool/tests/source_map_test.cpp
@@ -471,6 +471,11 @@ HWTEST_F_L0(SourceMapTest, FindTest)
     EXPECT_EQ(mappingInfo.row, 2);
     EXPECT_EQ(mappingInfo.col, 2);
     EXPECT_TRUE(isReplaces);
+
+    mappingInfo = sourceMapFriend.Find(4, 2, targetMap, isReplaces);
+    EXPECT_EQ(mappingInfo.row, 4);
+    EXPECT_EQ(mappingInfo.col, 2);
+    EXPECT_TRUE(!isReplaces);
 }
 
 HWTEST_F_L0(SourceMapTest, ExtractKeyInfoTest)