android_mt6572_jiabo/external/v8/test/mjsunit/es6/json.js
2025-09-05 16:56:03 +08:00

15 lines
566 B
JavaScript

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function testJSONToString() {
assertEquals('[object JSON]', "" + JSON);
assertEquals("JSON", JSON[Symbol.toStringTag]);
var desc = Object.getOwnPropertyDescriptor(JSON, Symbol.toStringTag);
assertTrue(desc.configurable);
assertFalse(desc.writable);
assertEquals("JSON", desc.value);
delete JSON[Symbol.toStringTag];
assertEquals('[object Object]', "" + JSON);
}
testJSONToString();