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293 lines
9.6 KiB
293 lines
9.6 KiB
'use strict';
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require('../common');
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var assert = require('assert');
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var path = require('path');
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var fs = require('fs');
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console.error('load test-module-loading.js');
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// assert that this is the main module.
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assert.strictEqual(require.main.id, '.', 'main module should have id of \'.\'');
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assert.strictEqual(require.main, module, 'require.main should === module');
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assert.strictEqual(process.mainModule, module,
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'process.mainModule should === module');
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// assert that it's *not* the main module in the required module.
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require('../fixtures/not-main-module.js');
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// require a file with a request that includes the extension
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var a_js = require('../fixtures/a.js');
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assert.strictEqual(42, a_js.number);
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// require a file without any extensions
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var foo_no_ext = require('../fixtures/foo');
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assert.strictEqual('ok', foo_no_ext.foo);
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var a = require('../fixtures/a');
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var c = require('../fixtures/b/c');
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var d = require('../fixtures/b/d');
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var d2 = require('../fixtures/b/d');
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// Absolute
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var d3 = require(path.join(__dirname, '../fixtures/b/d'));
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// Relative
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var d4 = require('../fixtures/b/d');
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assert.strictEqual(false, false, 'testing the test program.');
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assert.ok(a.A instanceof Function);
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assert.strictEqual('A', a.A());
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assert.ok(a.C instanceof Function);
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assert.strictEqual('C', a.C());
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assert.ok(a.D instanceof Function);
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assert.strictEqual('D', a.D());
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assert.ok(d.D instanceof Function);
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assert.strictEqual('D', d.D());
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assert.ok(d2.D instanceof Function);
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assert.strictEqual('D', d2.D());
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assert.ok(d3.D instanceof Function);
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assert.strictEqual('D', d3.D());
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assert.ok(d4.D instanceof Function);
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assert.strictEqual('D', d4.D());
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assert.ok((new a.SomeClass()) instanceof c.SomeClass);
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console.error('test index.js modules ids and relative loading');
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const one = require('../fixtures/nested-index/one');
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const two = require('../fixtures/nested-index/two');
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assert.notStrictEqual(one.hello, two.hello);
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console.error('test index.js in a folder with a trailing slash');
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const three = require('../fixtures/nested-index/three');
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const threeFolder = require('../fixtures/nested-index/three/');
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const threeIndex = require('../fixtures/nested-index/three/index.js');
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assert.strictEqual(threeFolder, threeIndex);
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assert.notStrictEqual(threeFolder, three);
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console.error('test package.json require() loading');
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assert.strictEqual(require('../fixtures/packages/index').ok, 'ok',
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'Failed loading package');
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assert.strictEqual(require('../fixtures/packages/main').ok, 'ok',
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'Failed loading package');
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assert.strictEqual(require('../fixtures/packages/main-index').ok, 'ok',
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'Failed loading package with index.js in main subdir');
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console.error('test cycles containing a .. path');
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const root = require('../fixtures/cycles/root');
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const foo = require('../fixtures/cycles/folder/foo');
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assert.strictEqual(root.foo, foo);
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assert.strictEqual(root.sayHello(), root.hello);
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console.error('test node_modules folders');
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// asserts are in the fixtures files themselves,
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// since they depend on the folder structure.
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require('../fixtures/node_modules/foo');
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console.error('test name clashes');
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// this one exists and should import the local module
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var my_path = require('../fixtures/path');
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assert.ok(my_path.path_func instanceof Function);
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// this one does not exist and should throw
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assert.throws(function() { require('./utils'); });
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var errorThrown = false;
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try {
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require('../fixtures/throws_error');
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} catch (e) {
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errorThrown = true;
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assert.strictEqual('blah', e.message);
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}
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assert.strictEqual(require('path').dirname(__filename), __dirname);
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console.error('load custom file types with extensions');
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require.extensions['.test'] = function(module, filename) {
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var content = fs.readFileSync(filename).toString();
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assert.strictEqual('this is custom source\n', content);
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content = content.replace('this is custom source',
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'exports.test = \'passed\'');
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module._compile(content, filename);
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};
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assert.strictEqual(require('../fixtures/registerExt').test, 'passed');
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// unknown extension, load as .js
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assert.strictEqual(require('../fixtures/registerExt.hello.world').test,
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'passed');
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console.error('load custom file types that return non-strings');
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require.extensions['.test'] = function(module, filename) {
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module.exports = {
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custom: 'passed'
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};
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};
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assert.strictEqual(require('../fixtures/registerExt2').custom, 'passed');
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assert.strictEqual(require('../fixtures/foo').foo, 'ok',
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'require module with no extension');
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// Should not attempt to load a directory
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try {
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require('../fixtures/empty');
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} catch (err) {
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assert.strictEqual(err.message, 'Cannot find module \'../fixtures/empty\'');
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}
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// Check load order is as expected
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console.error('load order');
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const loadOrder = '../fixtures/module-load-order/';
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const msg = 'Load order incorrect.';
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require.extensions['.reg'] = require.extensions['.js'];
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require.extensions['.reg2'] = require.extensions['.js'];
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assert.strictEqual(require(loadOrder + 'file1').file1, 'file1', msg);
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assert.strictEqual(require(loadOrder + 'file2').file2, 'file2.js', msg);
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try {
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require(loadOrder + 'file3');
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} catch (e) {
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// Not a real .node module, but we know we require'd the right thing.
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assert.ok(e.message.replace(/\\/g, '/').match(/file3\.node/));
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}
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assert.strictEqual(require(loadOrder + 'file4').file4, 'file4.reg', msg);
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assert.strictEqual(require(loadOrder + 'file5').file5, 'file5.reg2', msg);
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assert.strictEqual(require(loadOrder + 'file6').file6, 'file6/index.js', msg);
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try {
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require(loadOrder + 'file7');
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} catch (e) {
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assert.ok(e.message.replace(/\\/g, '/').match(/file7\/index\.node/));
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}
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assert.strictEqual(require(loadOrder + 'file8').file8, 'file8/index.reg', msg);
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assert.strictEqual(require(loadOrder + 'file9').file9, 'file9/index.reg2', msg);
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// make sure that module.require() is the same as
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// doing require() inside of that module.
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var parent = require('../fixtures/module-require/parent/');
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var child = require('../fixtures/module-require/child/');
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assert.strictEqual(child.loaded, parent.loaded);
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// #1357 Loading JSON files with require()
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var json = require('../fixtures/packages/main/package.json');
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assert.deepStrictEqual(json, {
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name: 'package-name',
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version: '1.2.3',
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main: 'package-main-module'
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});
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// now verify that module.children contains all the different
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// modules that we've required, and that all of them contain
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// the appropriate children, and so on.
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var children = module.children.reduce(function red(set, child) {
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var id = path.relative(path.dirname(__dirname), child.id);
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id = id.replace(/\\/g, '/');
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set[id] = child.children.reduce(red, {});
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return set;
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}, {});
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assert.deepStrictEqual(children, {
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'common.js': {},
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'fixtures/not-main-module.js': {},
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'fixtures/a.js': {
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'fixtures/b/c.js': {
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'fixtures/b/d.js': {},
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'fixtures/b/package/index.js': {}
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}
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},
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'fixtures/foo': {},
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'fixtures/nested-index/one/index.js': {
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'fixtures/nested-index/one/hello.js': {}
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},
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'fixtures/nested-index/two/index.js': {
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'fixtures/nested-index/two/hello.js': {}
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},
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'fixtures/nested-index/three.js': {},
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'fixtures/nested-index/three/index.js': {},
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'fixtures/packages/index/index.js': {},
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'fixtures/packages/main/package-main-module.js': {},
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'fixtures/packages/main-index/package-main-module/index.js': {},
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'fixtures/cycles/root.js': {
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'fixtures/cycles/folder/foo.js': {}
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},
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'fixtures/node_modules/foo.js': {
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'fixtures/node_modules/baz/index.js': {
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'fixtures/node_modules/bar.js': {},
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'fixtures/node_modules/baz/node_modules/asdf.js': {}
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}
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},
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'fixtures/path.js': {},
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'fixtures/throws_error.js': {},
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'fixtures/registerExt.test': {},
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'fixtures/registerExt.hello.world': {},
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'fixtures/registerExt2.test': {},
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'fixtures/empty.js': {},
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'fixtures/module-load-order/file1': {},
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'fixtures/module-load-order/file2.js': {},
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'fixtures/module-load-order/file3.node': {},
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'fixtures/module-load-order/file4.reg': {},
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'fixtures/module-load-order/file5.reg2': {},
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'fixtures/module-load-order/file6/index.js': {},
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'fixtures/module-load-order/file7/index.node': {},
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'fixtures/module-load-order/file8/index.reg': {},
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'fixtures/module-load-order/file9/index.reg2': {},
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'fixtures/module-require/parent/index.js': {
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'fixtures/module-require/child/index.js': {
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'fixtures/module-require/child/node_modules/target.js': {}
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}
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},
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'fixtures/packages/main/package.json': {}
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});
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// require() must take string, and must be truthy
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assert.throws(function() {
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console.error('require non-string');
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require({ foo: 'bar' });
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}, /path must be a string/);
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assert.throws(function() {
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console.error('require empty string');
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require('');
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}, /missing path/);
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process.on('exit', function() {
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assert.ok(a.A instanceof Function);
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assert.strictEqual('A done', a.A());
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assert.ok(a.C instanceof Function);
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assert.strictEqual('C done', a.C());
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assert.ok(a.D instanceof Function);
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assert.strictEqual('D done', a.D());
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assert.ok(d.D instanceof Function);
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assert.strictEqual('D done', d.D());
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assert.ok(d2.D instanceof Function);
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assert.strictEqual('D done', d2.D());
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assert.strictEqual(true, errorThrown);
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console.log('exit');
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});
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// #1440 Loading files with a byte order marker.
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assert.strictEqual(42, require('../fixtures/utf8-bom.js'));
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assert.strictEqual(42, require('../fixtures/utf8-bom.json'));
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// Error on the first line of a module should
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// have the correct line number
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assert.throws(function() {
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require('../fixtures/test-error-first-line-offset.js');
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}, function(err) {
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return /test-error-first-line-offset.js:1:/.test(err.stack);
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}, 'Expected appearance of proper offset in Error stack');
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