diff --git a/common/test/unittest/common/utils/BUILD.gn b/common/test/unittest/common/utils/BUILD.gn
index 0ac844eebf02453d7e2ab5cee83c9098a0f91add..e3c2b78004cccb8c6b55a6de6ff36f6ac99e2b7d 100644
--- a/common/test/unittest/common/utils/BUILD.gn
+++ b/common/test/unittest/common/utils/BUILD.gn
@@ -42,11 +42,17 @@ ohos_unittest("CommonUtilsTest") {
 
   configs = [ ":module_private_config" ]
 
-  deps = [ "${common_path}:distributed_camera_utils" ]
+  deps = [
+    "${common_path}:distributed_camera_utils",
+    "//third_party/googletest:gmock",
+    "//third_party/googletest:gtest_main",
+  ]
 
   cflags = [
     "-fPIC",
     "-Wall",
+    "-Dprivate=public",
+    "-Dprotected=public",
   ]
 
   external_deps = [
@@ -66,6 +72,7 @@ ohos_unittest("CommonUtilsTest") {
     "HI_LOG_ENABLE",
     "DH_LOG_TAG=\"CommonUtilsTest\"",
     "LOG_DOMAIN=0xD004150",
+    "DCAMERA_MMAP_RESERVE",
   ]
   cflags_cc = cflags
 }
diff --git a/common/test/unittest/common/utils/dcamera_utils_tools_test.cpp b/common/test/unittest/common/utils/dcamera_utils_tools_test.cpp
index 8eaabf4e5048c7068b48531f0aa54fea924c93f8..324ff4bf128522f22d48cfc1179d6ca322cbad8b 100644
--- a/common/test/unittest/common/utils/dcamera_utils_tools_test.cpp
+++ b/common/test/unittest/common/utils/dcamera_utils_tools_test.cpp
@@ -198,5 +198,28 @@ HWTEST_F(DcameraUtilsToolsTest, IsOverDumpSize_001, TestSize.Level1)
     DumpBufferToFile(fileName, str, size);
     IsUnderDumpMaxSize(fileName);
 }
+
+/**
+ * @tc.name: IsUnderDumpMaxSize_001
+ * @tc.desc: Verify the IsUnderDumpMaxSize.
+ * @tc.type: FUNC
+ * @tc.require: Issue Number
+ */
+HWTEST_F(DcameraUtilsToolsTest, IsUnderDumpMaxSize_001, TestSize.Level1)
+{
+    std::string longFileName(PATH_MAX + 1, 'a');
+    EXPECT_EQ(IsUnderDumpMaxSize(longFileName), DCAMERA_INIT_ERR);
+}
+
+/**
+ * @tc.name: IsUnderDumpMaxSize_002
+ * @tc.desc: Verify the IsUnderDumpMaxSize.
+ * @tc.type: FUNC
+ * @tc.require: Issue Number
+ */
+HWTEST_F(DcameraUtilsToolsTest, IsUnderDumpMaxSize_002, TestSize.Level1)
+{
+    EXPECT_EQ(IsUnderDumpMaxSize("/nonexistent/file"), DCAMERA_INIT_ERR);
+}
 } // namespace DistributedHardware
 } // namespace OHOS
\ No newline at end of file
diff --git a/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_producer_test.cpp b/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_producer_test.cpp
index 8c3ed636caf966af8cf662604251826103d31aa5..f332817d6b0cb2b63126c7895e5af63a484f6b7b 100644
--- a/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_producer_test.cpp
+++ b/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_producer_test.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
+ * Copyright (c) 2022-2024 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
diff --git a/services/data_process/test/unittest/common/pipeline/dcamera_pipeline_sink_test.cpp b/services/data_process/test/unittest/common/pipeline/dcamera_pipeline_sink_test.cpp
index 9cf7cee2149f1276690ac713536452dcbd1a01b6..887914bb2f7fefc9ecac20c5690e0054bd5b2ea6 100644
--- a/services/data_process/test/unittest/common/pipeline/dcamera_pipeline_sink_test.cpp
+++ b/services/data_process/test/unittest/common/pipeline/dcamera_pipeline_sink_test.cpp
@@ -84,7 +84,7 @@ HWTEST_F(DCameraPipelineSinkTest, dcamera_pipeline_sink_test_001, TestSize.Level
                                  TEST_WIDTH,
                                  TEST_HEIGTH);
     int32_t rc = testSinkPipeline_->CreateDataProcessPipeline(PipelineType::VIDEO, srcParams, destParams, listener);
-    EXPECT_EQ(rc, DCAMERA_INIT_ERR);
+    EXPECT_EQ(rc, DCAMERA_OK);
     usleep(SLEEP_TIME);
 }
 
@@ -110,14 +110,14 @@ HWTEST_F(DCameraPipelineSinkTest, dcamera_pipeline_sink_test_002, TestSize.Level
                                  TEST_WIDTH,
                                  TEST_HEIGTH);
     int32_t rc = testSinkPipeline_->CreateDataProcessPipeline(PipelineType::VIDEO, srcParams, destParams, listener);
-    EXPECT_EQ(rc, DCAMERA_INIT_ERR);
+    EXPECT_EQ(rc, DCAMERA_OK);
 
     size_t capacity = 100;
     std::vector<std::shared_ptr<DataBuffer>> buffers;
     std::shared_ptr<DataBuffer> db = std::make_shared<DataBuffer>(capacity);
     buffers.push_back(db);
     rc = testSinkPipeline_->ProcessData(buffers);
-    EXPECT_EQ(rc, DCAMERA_INIT_ERR);
+    EXPECT_EQ(rc, DCAMERA_OK);
 
     usleep(SLEEP_TIME);
 }
@@ -171,11 +171,11 @@ HWTEST_F(DCameraPipelineSinkTest, dcamera_pipeline_sink_test_004, TestSize.Level
                                  TEST_WIDTH,
                                  TEST_HEIGTH);
     int32_t rc = testSinkPipeline_->CreateDataProcessPipeline(PipelineType::VIDEO, srcParams, destParams, listener);
-    EXPECT_EQ(rc, DCAMERA_INIT_ERR);
+    EXPECT_EQ(rc, DCAMERA_OK);
 
     std::vector<std::shared_ptr<DataBuffer>> buffers;
     rc = testSinkPipeline_->ProcessData(buffers);
-    EXPECT_EQ(rc, DCAMERA_INIT_ERR);
+    EXPECT_EQ(rc, DCAMERA_BAD_VALUE);
     usleep(SLEEP_TIME);
 }