diff --git a/test/optimization/index.js b/test/optimization/index.js
new file mode 100644
index 00000000000..c56f17c89e9
--- /dev/null
+++ b/test/optimization/index.js
@@ -0,0 +1 @@
+console.log("Bokuto")
diff --git a/test/optimization/optimization.test.js b/test/optimization/optimization.test.js
new file mode 100644
index 00000000000..5cc52e669be
--- /dev/null
+++ b/test/optimization/optimization.test.js
@@ -0,0 +1,20 @@
+const fs = require('fs');
+const { join } = require('path');
+const { version } = require('webpack');
+const { run } = require('../utils/test-utils');
+
+describe('optimization option in config', () => {
+    it('should work with mangleExports disabled', () => {
+        const { stdout, stderr } = run(__dirname, [], false);
+        // Should throw when webpack is less than 5
+        if (!version.startsWith('5')) {
+            expect(stderr).toContain("configuration.optimization has an unknown property 'mangleExports'");
+        } else {
+            // Should apply the provided optimization to the compiler
+            expect(stdout).toContain('mangleExports: false');
+            // check that the output file exists
+            expect(fs.existsSync(join(__dirname, '/dist/main.js'))).toBeTruthy();
+            expect(stderr).toBeFalsy();
+        }
+    });
+});
diff --git a/test/optimization/webpack.config.js b/test/optimization/webpack.config.js
new file mode 100644
index 00000000000..c5ddd675368
--- /dev/null
+++ b/test/optimization/webpack.config.js
@@ -0,0 +1,8 @@
+const WebpackCLITestPlugin = require('../utils/webpack-cli-test-plugin');
+
+module.exports = {
+    plugins: [new WebpackCLITestPlugin()],
+    optimization: {
+        mangleExports: false,
+    },
+};