// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-set.prototype.clear description: > Set.prototype.clear ( ) ... 4. Let entries be the List that is the value of S’s [[SetData]] internal slot. 5. Repeat for each e that is an element of entries, a. Replace the element of entries whose value is e with an element whose value is empty. ... ---*/ var s = new Set([1, 2, 3]); assert.sameValue(s.size, 3, "The value of `s.size` is `3`"); var result = s.clear(); assert.sameValue(s.size, 0, "The value of `s.size` is `0`, after executing `s.clear()`"); assert.sameValue(s.has(1), false, "`s.has(1)` returns `false`"); assert.sameValue(s.has(2), false, "`s.has(2)` returns `false`"); assert.sameValue(s.has(3), false, "`s.has(3)` returns `false`"); assert.sameValue(result, undefined, "The result of `s.clear()` is `undefined`"); reportCompare(0, 0);