it("should require existing module with supplied error callback", function(done) {

require.ensure(['./file'], function(){

try {

var file = require('./file');

expect(file).toBe("file");

done();

} catch(e) { done(e); }

}, function(error) {});

});

it("should call error callback on missing module", function(done) {

require.ensure(['./missingModule'], function(){

require('./missingModule');

}, function(error) {

expect(error).toBeInstanceOf(Error);

expect(error.message).toBe("Cannot find module './missingModule'");

done();

});

});

it("should call error callback on missing module in context", function(done) {

(function(module) {

require.ensure([], function(){

require('./' + module);

}, function(error) {

expect(error).toBeInstanceOf(Error);

expect(error.message).toBe("Cannot find module './missingModule'");

done();

});

})('missingModule');

});

it("should call error callback on exception thrown in loading module", function(done) {

require.ensure(['./throwing'], function(){

require('./throwing');

}, function(error) {

expect(error).toBeInstanceOf(Error);

expect(error.message).toBe('message');

done();

});

});

it("should not call error callback on exception thrown in require callback", function(done) {

require.ensure(['./throwing'], function() {

throw new Error('message');

}, function(error) {

expect(error).toBeInstanceOf(Error);

expect(error.message).toBe('message');

done();

});

});

it("should call error callback when there is an error loading the chunk", function(done) {

var temp = __webpack_require__.e;

__webpack_require__.e = function() { return Promise.resolve().then(function() { throw 'fake chunk load error'; }); };

require.ensure(['./file'], function(){

try {

var file = require('./file');

} catch(e) { done(e); }

}, function(error) {

expect(error).toBe('fake chunk load error');

done();

});

__webpack_require__.e = temp;

});