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'use strict';
require('../common');
const assert = require('assert');
const URLSearchParams = require('url').URLSearchParams;
// Tests below are not from WPT.
const params = new URLSearchParams('a=b&c=d');
const keys = params.keys();
assert.strictEqual(typeof keys[Symbol.iterator], 'function');
assert.strictEqual(keys[Symbol.iterator](), keys);
assert.deepStrictEqual(keys.next(), {
value: 'a',
done: false
});
assert.deepStrictEqual(keys.next(), {
value: 'c',
done: false
});
assert.deepStrictEqual(keys.next(), {
value: undefined,
done: true
});
assert.deepStrictEqual(keys.next(), {
value: undefined,
done: true
});
assert.throws(() => {
keys.next.call(undefined);
}, /^TypeError: Value of `this` is not a URLSearchParamsIterator$/);
assert.throws(() => {
params.keys.call(undefined);
}, /^TypeError: Value of `this` is not a URLSearchParams$/);
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