diff --git a/wmserver/test/unittest/BUILD.gn b/wmserver/test/unittest/BUILD.gn
index 9207ebdc..9fada1d0 100644
--- a/wmserver/test/unittest/BUILD.gn
+++ b/wmserver/test/unittest/BUILD.gn
@@ -17,8 +17,10 @@ module_out_path = "window_manager/wmserver"
 
 group("unittest") {
   testonly = true
-
-  deps = [ ":wmsever_avoid_area_controller_test" ]
+  deps = [
+    ":wmsever_avoid_area_controller_test",
+    ":wmsever_window_zorder_policy_test",
+  ]
 }
 
 ohos_unittest("wmsever_avoid_area_controller_test") {
@@ -29,6 +31,14 @@ ohos_unittest("wmsever_avoid_area_controller_test") {
   deps = [ ":wmserver_unittest_common" ]
 }
 
+ohos_unittest("wmsever_window_zorder_policy_test") {
+  module_out_path = module_out_path
+
+  sources = [ "window_zorder_policy_test.cpp" ]
+
+  deps = [ ":wmserver_unittest_common" ]
+}
+
 ## Build wmserver_unittest_common.a {{{
 config("wmserver_unittest_common_public_config") {
   include_dirs = [
diff --git a/wmserver/test/unittest/window_zorder_policy_test.cpp b/wmserver/test/unittest/window_zorder_policy_test.cpp
new file mode 100644
index 00000000..33a21dd7
--- /dev/null
+++ b/wmserver/test/unittest/window_zorder_policy_test.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2022 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include "window_zorder_policy.h"
+
+using namespace testing;
+using namespace testing::ext;
+
+namespace OHOS {
+namespace Rosen {
+class WindowZorderPolicyTest : public testing::Test {
+public:
+    static void SetUpTestCase();
+    static void TearDownTestCase();
+    virtual void SetUp() override;
+    virtual void TearDown() override;
+};
+
+void WindowZorderPolicyTest::SetUpTestCase()
+{
+}
+
+void WindowZorderPolicyTest::TearDownTestCase()
+{
+}
+
+void WindowZorderPolicyTest::SetUp()
+{
+}
+
+void WindowZorderPolicyTest::TearDown()
+{
+}
+namespace {
+/**
+ * @tc.name: GetWindowPriority01
+ * @tc.desc: get wallpaper window zorder
+ * @tc.type: FUNC
+ */
+HWTEST_F(WindowZorderPolicyTest, GetWindowPriority01, Function | SmallTest | Level2)
+{
+    sptr<WindowZorderPolicy> zorderPolicy = new WindowZorderPolicy();
+    int32_t zorder = zorderPolicy->GetWindowPriority(WindowType::WINDOW_TYPE_DESKTOP);
+    ASSERT_EQ(zorder, 1);
+}
+
+/**
+ * @tc.name: GetWindowPriority02
+ * @tc.desc: get invalid type window zorder
+ * @tc.type: FUNC
+ */
+HWTEST_F(WindowZorderPolicyTest, GetWindowPriority02, Function | SmallTest | Level2)
+{
+    sptr<WindowZorderPolicy> zorderPolicy = new WindowZorderPolicy();
+    int32_t zorder = zorderPolicy->GetWindowPriority(static_cast<WindowType>(3000));
+    ASSERT_EQ(zorder, 0);
+}
+}
+}
+}
\ No newline at end of file