text: // Copyright (C) 2013 the V8 project authors. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  /*---
  es6id: 19.4
  description: >
      Symbol as Set entry
  features: [Symbol, Set]
  ---*/
  var set = new Set();
  var sym = Symbol();
  
  set.add(sym);
  
  assert.sameValue(set.size, 1, "The value of `set.size` is `1`, after executing `set.add(sym)`");
  assert.sameValue(set.has(sym), true, "`set.has(sym)` returns `true`");
  assert.sameValue(set.delete(sym), true, "`set.delete(sym)` returns `true`");
  assert.sameValue(set.size, 0, "The value of `set.size` is `0`");
  