text: // Copyright 2017 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  (async function() {
    TestRunner.addResult('Tests that console properly displays information about ES6 Symbols.\n');
  
    await TestRunner.loadModule('console'); await TestRunner.loadTestModule('console_test_runner');
    await TestRunner.showPanel('console');
  
    await TestRunner.evaluateInPagePromise(`
      function logSymbolToConsoleWithError()
      {
          Symbol.prototype.toString = function (arg) { throw new Error(); };
          var smb = Symbol();
          console.log(smb);
      }
    `);
  
    TestRunner.evaluateInPage('logSymbolToConsoleWithError()', complete);
  
    async function complete() {
      await ConsoleTestRunner.dumpConsoleMessages();
      TestRunner.completeTest();
    }
  })();
  