test: namespace export should have @@toStringTag with correct propert…

…y descriptors

test/function/samples/namespace-to-string-tag/_config.js

@@ -0,0 +1,8 @@
+module.exports = {
+	description: 'namespace export should have @@toStringTag with correct property descriptors #4336',
+	options: {
+		output: {
+			namespaceToStringTag: true
+		}
+	}
+};

test/function/samples/namespace-to-string-tag/foo.js

@@ -0,0 +1 @@
+export const foo = 'bar';

test/function/samples/namespace-to-string-tag/main.js

@@ -0,0 +1,11 @@
+import * as ns from './foo.js';
+
+const { configurable, enumerable, value, writable } = Object.getOwnPropertyDescriptor(
+	ns,
+	Symbol.toStringTag
+);
+
+assert.strictEqual(value, 'Module', 'value');
+assert.strictEqual(configurable, false, 'configurable');
+assert.strictEqual(enumerable, false, 'enumerable');
+assert.strictEqual(writable, false, 'writable');