diff --git a/arkguard/test/ut/transformer/RenameIdentifierTransformer.spec.ts b/arkguard/test/ut/transformer/RenameIdentifierTransformer.spec.ts
index 41856bcf8d6604e92596ab26aa214f1a893c6fd3..5ad72bdd6d159f15ff11e3759bd63e425cab7f40 100644
--- a/arkguard/test/ut/transformer/RenameIdentifierTransformer.spec.ts
+++ b/arkguard/test/ut/transformer/RenameIdentifierTransformer.spec.ts
@@ -744,6 +744,29 @@ describe('Teste Cases for <RenameFileNameTransformer>.', function () {
         assert.strictEqual(compareStringsIgnoreNewlines(actualContent, expectContent), true);
         PropCollections.clearPropsCollections();
       })
+
+      it('globalMangledTable should have a value', () => {
+         const fileContent1 = `
+          import { foo1 } from 'library';
+          import { foo2 } from './a';
+        `;
+        let options: IOptions = {
+          mNameObfuscation: {
+            mEnable: true,
+            mRenameProperties: false,
+            mReservedProperties: [],
+            mTopLevel: true,
+            mKeepParameterNames: false
+          },
+          mExportObfuscation: true,
+        };
+        PropCollections.historyMangledTable.set('key', 'foo1');
+        transformer = transformerPlugin.createTransformerFactory(options);
+        const sourceFile: ts.SourceFile = ts.createSourceFile('demo.ts', fileContent1, ts.ScriptTarget.ES2015, true);
+        ts.transform(sourceFile, [transformer]);
+        expect(PropCollections.globalMangledNamesInCache.has('foo1')).to.be.true;
+        PropCollections.globalMangledTable.clear();
+      })
     })
   })
 })