test/parallel/test-whatwg-url-canparse.js

// Flags: --expose-internals
'use strict';

require('../common');

const { URL } = require('url');
const assert = require('assert');

let internalBinding;
try {
  internalBinding = require('internal/test/binding').internalBinding;
} catch (e) {
  console.log('using `test/parallel/test-whatwg-url-canparse` requires `--expose-internals`');
  throw e;
}

const { canParse } = internalBinding('url');

// It should not throw when called without a base string
assert.strictEqual(URL.canParse('https://example.org'), true);
assert.strictEqual(canParse('https://example.org'), true);

// This for-loop is used to test V8 Fast API optimizations
for (let i = 0; i < 100000; i++) {
  // This example is used because only parsing the first parameter
  // results in an invalid URL. They have to be used together to
  // produce truthy value.
  assert.strictEqual(URL.canParse('/', 'http://n'), true);
}