test262/test/built-ins/Map/map-iterable.js

27 lines
618 B
JavaScript

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 23.1.1.1
description: >
Contructor returns a map object set with the elements from the iterable
argument.
info: >
Map ( [ iterable ] )
...
9. Repeat
a. Let next be IteratorStep(iter).
b. ReturnIfAbrupt(next).
c. If next is false, return map.
...
---*/
var m = new Map([
[ "attr", 1 ],
[ "foo", 2 ]
]);
assert.sameValue(m.size, 2, 'The value of `m.size` is `2`');
assert.sameValue(m.get("attr"), 1);
assert.sameValue(m.get("foo"), 2);