test/parallel/test-whatwg-url-custom-searchparams-stringifier.js


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'use strict';

// Tests below are not from WPT.

require('../common');
const assert = require('assert');
const URLSearchParams = require('url').URLSearchParams;

{
  const params = new URLSearchParams();
  assert.throws(() => {
    params.toString.call(undefined);
  }, {
    code: 'ERR_INVALID_THIS',
    name: 'TypeError',
    message: 'Value of "this" must be of type URLSearchParams'
  });
}

// The URLSearchParams stringifier mutates the base URL using
// different percent-encoding rules than the URL itself.
{
  const myUrl = new URL('https://example.org?foo=~bar');
  assert.strictEqual(myUrl.search, '?foo=~bar');
  myUrl.searchParams.sort();
  assert.strictEqual(myUrl.search, '?foo=%7Ebar');
}