test: use strict assertions in module loader test

Replace calls to assert.equal() and assert.notEqual() with
assert.strictEqual() and assert.strictNotEqual() respectively.

PR-URL: https://github.com/nodejs/node/pull/9263
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

test/sequential/test-module-loading.js

@@ -7,20 +7,20 @@ var fs = require('fs');
 console.error('load test-module-loading.js');
 
 // assert that this is the main module.
-assert.equal(require.main.id, '.', 'main module should have id of \'.\'');
-assert.equal(require.main, module, 'require.main should === module');
-assert.equal(process.mainModule, module,
-             'process.mainModule should === module');
+assert.strictEqual(require.main.id, '.', 'main module should have id of \'.\'');
+assert.strictEqual(require.main, module, 'require.main should === module');
+assert.strictEqual(process.mainModule, module,
+                   'process.mainModule should === module');
 // assert that it's *not* the main module in the required module.
 require('../fixtures/not-main-module.js');
 
 // require a file with a request that includes the extension
 var a_js = require('../fixtures/a.js');
-assert.equal(42, a_js.number);
+assert.strictEqual(42, a_js.number);
 
 // require a file without any extensions
 var foo_no_ext = require('../fixtures/foo');
-assert.equal('ok', foo_no_ext.foo);
+assert.strictEqual('ok', foo_no_ext.foo);
 
 var a = require('../fixtures/a');
 var c = require('../fixtures/b/c');
@@ -31,54 +31,54 @@ var d3 = require(path.join(__dirname, '../fixtures/b/d'));
 // Relative
 var d4 = require('../fixtures/b/d');
 
-assert.equal(false, false, 'testing the test program.');
+assert.strictEqual(false, false, 'testing the test program.');
 
 assert.ok(a.A instanceof Function);
-assert.equal('A', a.A());
+assert.strictEqual('A', a.A());
 
 assert.ok(a.C instanceof Function);
-assert.equal('C', a.C());
+assert.strictEqual('C', a.C());
 
 assert.ok(a.D instanceof Function);
-assert.equal('D', a.D());
+assert.strictEqual('D', a.D());
 
 assert.ok(d.D instanceof Function);
-assert.equal('D', d.D());
+assert.strictEqual('D', d.D());
 
 assert.ok(d2.D instanceof Function);
-assert.equal('D', d2.D());
+assert.strictEqual('D', d2.D());
 
 assert.ok(d3.D instanceof Function);
-assert.equal('D', d3.D());
+assert.strictEqual('D', d3.D());
 
 assert.ok(d4.D instanceof Function);
-assert.equal('D', d4.D());
+assert.strictEqual('D', d4.D());
 
 assert.ok((new a.SomeClass()) instanceof c.SomeClass);
 
 console.error('test index.js modules ids and relative loading');
 const one = require('../fixtures/nested-index/one');
 const two = require('../fixtures/nested-index/two');
-assert.notEqual(one.hello, two.hello);
+assert.notStrictEqual(one.hello, two.hello);
 
 console.error('test index.js in a folder with a trailing slash');
 const three = require('../fixtures/nested-index/three');
 const threeFolder = require('../fixtures/nested-index/three/');
 const threeIndex = require('../fixtures/nested-index/three/index.js');
-assert.equal(threeFolder, threeIndex);
-assert.notEqual(threeFolder, three);
+assert.strictEqual(threeFolder, threeIndex);
+assert.notStrictEqual(threeFolder, three);
 
 console.error('test package.json require() loading');
-assert.equal(require('../fixtures/packages/main').ok, 'ok',
-             'Failed loading package');
-assert.equal(require('../fixtures/packages/main-index').ok, 'ok',
-             'Failed loading package with index.js in main subdir');
+assert.strictEqual(require('../fixtures/packages/main').ok, 'ok',
+                   'Failed loading package');
+assert.strictEqual(require('../fixtures/packages/main-index').ok, 'ok',
+                   'Failed loading package with index.js in main subdir');
 
 console.error('test cycles containing a .. path');
 const root = require('../fixtures/cycles/root');
 const foo = require('../fixtures/cycles/folder/foo');
-assert.equal(root.foo, foo);
-assert.equal(root.sayHello(), root.hello);
+assert.strictEqual(root.foo, foo);
+assert.strictEqual(root.sayHello(), root.hello);
 
 console.error('test node_modules folders');
 // asserts are in the fixtures files themselves,
@@ -97,23 +97,24 @@ try {
   require('../fixtures/throws_error');
 } catch (e) {
   errorThrown = true;
-  assert.equal('blah', e.message);
+  assert.strictEqual('blah', e.message);
 }
 
-assert.equal(require('path').dirname(__filename), __dirname);
+assert.strictEqual(require('path').dirname(__filename), __dirname);
 
 console.error('load custom file types with extensions');
 require.extensions['.test'] = function(module, filename) {
   var content = fs.readFileSync(filename).toString();
-  assert.equal('this is custom source\n', content);
+  assert.strictEqual('this is custom source\n', content);
   content = content.replace('this is custom source',
                             'exports.test = \'passed\'');
   module._compile(content, filename);
 };
 
-assert.equal(require('../fixtures/registerExt').test, 'passed');
+assert.strictEqual(require('../fixtures/registerExt').test, 'passed');
 // unknown extension, load as .js
-assert.equal(require('../fixtures/registerExt.hello.world').test, 'passed');
+assert.strictEqual(require('../fixtures/registerExt.hello.world').test,
+                   'passed');
 
 console.error('load custom file types that return non-strings');
 require.extensions['.test'] = function(module, filename) {
@@ -122,16 +123,16 @@ require.extensions['.test'] = function(module, filename) {
   };
 };
 
-assert.equal(require('../fixtures/registerExt2').custom, 'passed');
+assert.strictEqual(require('../fixtures/registerExt2').custom, 'passed');
 
-assert.equal(require('../fixtures/foo').foo, 'ok',
-             'require module with no extension');
+assert.strictEqual(require('../fixtures/foo').foo, 'ok',
+                   'require module with no extension');
 
 // Should not attempt to load a directory
 try {
   require('../fixtures/empty');
 } catch (err) {
-  assert.equal(err.message, 'Cannot find module \'../fixtures/empty\'');
+  assert.strictEqual(err.message, 'Cannot find module \'../fixtures/empty\'');
 }
 
 // Check load order is as expected
@@ -143,31 +144,31 @@ const msg = 'Load order incorrect.';
 require.extensions['.reg'] = require.extensions['.js'];
 require.extensions['.reg2'] = require.extensions['.js'];
 
-assert.equal(require(loadOrder + 'file1').file1, 'file1', msg);
-assert.equal(require(loadOrder + 'file2').file2, 'file2.js', msg);
+assert.strictEqual(require(loadOrder + 'file1').file1, 'file1', msg);
+assert.strictEqual(require(loadOrder + 'file2').file2, 'file2.js', msg);
 try {
   require(loadOrder + 'file3');
 } catch (e) {
   // Not a real .node module, but we know we require'd the right thing.
   assert.ok(e.message.replace(/\\/g, '/').match(/file3\.node/));
 }
-assert.equal(require(loadOrder + 'file4').file4, 'file4.reg', msg);
-assert.equal(require(loadOrder + 'file5').file5, 'file5.reg2', msg);
-assert.equal(require(loadOrder + 'file6').file6, 'file6/index.js', msg);
+assert.strictEqual(require(loadOrder + 'file4').file4, 'file4.reg', msg);
+assert.strictEqual(require(loadOrder + 'file5').file5, 'file5.reg2', msg);
+assert.strictEqual(require(loadOrder + 'file6').file6, 'file6/index.js', msg);
 try {
   require(loadOrder + 'file7');
 } catch (e) {
   assert.ok(e.message.replace(/\\/g, '/').match(/file7\/index\.node/));
 }
-assert.equal(require(loadOrder + 'file8').file8, 'file8/index.reg', msg);
-assert.equal(require(loadOrder + 'file9').file9, 'file9/index.reg2', msg);
+assert.strictEqual(require(loadOrder + 'file8').file8, 'file8/index.reg', msg);
+assert.strictEqual(require(loadOrder + 'file9').file9, 'file9/index.reg2', msg);
 
 
 // make sure that module.require() is the same as
 // doing require() inside of that module.
 var parent = require('../fixtures/module-require/parent/');
 var child = require('../fixtures/module-require/child/');
-assert.equal(child.loaded, parent.loaded);
+assert.strictEqual(child.loaded, parent.loaded);
 
 
 // #1357 Loading JSON files with require()
@@ -256,29 +257,29 @@ assert.throws(function() {
 
 process.on('exit', function() {
   assert.ok(a.A instanceof Function);
-  assert.equal('A done', a.A());
+  assert.strictEqual('A done', a.A());
 
   assert.ok(a.C instanceof Function);
-  assert.equal('C done', a.C());
+  assert.strictEqual('C done', a.C());
 
   assert.ok(a.D instanceof Function);
-  assert.equal('D done', a.D());
+  assert.strictEqual('D done', a.D());
 
   assert.ok(d.D instanceof Function);
-  assert.equal('D done', d.D());
+  assert.strictEqual('D done', d.D());
 
   assert.ok(d2.D instanceof Function);
-  assert.equal('D done', d2.D());
+  assert.strictEqual('D done', d2.D());
 
-  assert.equal(true, errorThrown);
+  assert.strictEqual(true, errorThrown);
 
   console.log('exit');
 });
 
 
 // #1440 Loading files with a byte order marker.
-assert.equal(42, require('../fixtures/utf8-bom.js'));
-assert.equal(42, require('../fixtures/utf8-bom.json'));
+assert.strictEqual(42, require('../fixtures/utf8-bom.js'));
+assert.strictEqual(42, require('../fixtures/utf8-bom.json'));
 
 // Error on the first line of a module should
 // have the correct line number