diff --git a/pkg/util/hash/hash_test.go b/pkg/util/hash/hash_test.go
new file mode 100644
index 000000000000..dac23ba1af16
--- /dev/null
+++ b/pkg/util/hash/hash_test.go
@@ -0,0 +1,98 @@
+/*
+Copyright 2024 The Karmada Authors.
+
+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.
+*/
+
+package hash
+
+import (
+	"crypto/sha256"
+	"testing"
+)
+
+func TestDeepHashObject(t *testing.T) {
+	tests := []struct {
+		name   string
+		object interface{}
+	}{
+		{
+			name:   "simple string",
+			object: "test string",
+		},
+		{
+			name: "struct",
+			object: struct {
+				Name  string
+				Value int
+			}{
+				Name:  "Test",
+				Value: 42,
+			},
+		},
+		{
+			name: "nested struct",
+			object: struct {
+				Inner struct {
+					Name  string
+					Value int
+				}
+			}{
+				Inner: struct {
+					Name  string
+					Value int
+				}{
+					Name:  "InnerTest",
+					Value: 100,
+				},
+			},
+		},
+		{
+			name:   "slice",
+			object: []int{1, 2, 3, 4, 5},
+		},
+		{
+			name:   "map",
+			object: map[string]int{"a": 1, "b": 2, "c": 3},
+		},
+		{
+			name: "pointer to struct",
+			object: &struct {
+				Name  string
+				Value int
+			}{
+				Name:  "PtrTest",
+				Value: 42,
+			},
+		},
+		{
+			name:   "nil value",
+			object: nil,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			hasher := sha256.New()
+			DeepHashObject(hasher, tt.object)
+			hash1 := hasher.Sum(nil)
+			hasher.Reset()
+			DeepHashObject(hasher, tt.object)
+			hash2 := hasher.Sum(nil)
+
+			if string(hash1) != string(hash2) {
+				t.Errorf("hashes do not match for %s: %x != %x", tt.name, hash1, hash2)
+			}
+		})
+	}
+}