// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';
const common = require('../common');
const fixtures = require('../common/fixtures');
const assert = require('assert');

assert.strictEqual(
  require.resolve(fixtures.path('a')).toLowerCase(),
  fixtures.path('a.js').toLowerCase());
assert.strictEqual(
  require.resolve(fixtures.path('nested-index', 'one')).toLowerCase(),
  fixtures.path('nested-index', 'one', 'index.js').toLowerCase());
assert.strictEqual(require.resolve('path'), 'path');

// Test configurable resolve() paths.
require(fixtures.path('require-resolve.js'));
require(fixtures.path('resolve-paths', 'default', 'verify-paths.js'));

const re = /^The "request" argument must be of type string\. Received type \w+$/;
[1, false, null, undefined, {}].forEach((value) => {
  common.expectsError(
    () => { require.resolve(value); },
    {
      code: 'ERR_INVALID_ARG_TYPE',
      message: re
    });

  common.expectsError(
    () => { require.resolve.paths(value); },
    {
      code: 'ERR_INVALID_ARG_TYPE',
      message: re
    });
});