Strict mode Passingnon-Strict mode Passing
Features:
- ∅
// 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-get-map.prototype.size description: > Returns count of present values before and after using `set` and `delete`. info: | get Map.prototype.size 5. Let count be 0. 6. For each Record {[[key]], [[value]]} p that is an element of entries a. If p.[[key]] is not empty, set count to count+1. ---*/ var map = new Map(); assert.sameValue(map.size, 0, 'The value of `map.size` is `0`'); map.set(1, 1); assert.sameValue( map.size, 1, 'The value of `map.size` is `1`, after executing `map.set(1, 1)`' ); map.delete(1); assert.sameValue( map.size, 0, 'The value of `map.size` is `0`, after executing `map.delete(1)`' );