Feature: Use WebpackMissingModule: test coverage

test/configCases/errors/multi-entry-missing-module/index.js

@@ -0,0 +1,9 @@
+it("Should use WebpackMissingModule when module is missing with multiple entry setup", function() {
+  var fs = require("fs");
+  var source = fs.readFileSync("test/js/config/errors/multi-entry-missing-module/b.js", "utf-8");
+  source.should.containEql("!function(){var n=new Error('Cannot find module \"./intentionally-missing-module.js\"');throw n.code=\"MODULE_NOT_FOUND\",n}()}");
+
+  (function() {
+    require("./intentionally-missing-module");
+  }).should.throw("Cannot find module \"./intentionally-missing-module\"");
+});

test/configCases/errors/multi-entry-missing-module/intentionally-missing-module.js

@@ -0,0 +1 @@
+module.exports = "ignored";

test/configCases/errors/multi-entry-missing-module/webpack.config.js

@@ -0,0 +1,13 @@
+const IgnorePlugin = require("../../../../lib/IgnorePlugin");
+module.exports = {
+  entry: {
+    b: ["./intentionally-missing-module.js"],
+    bundle0: ["./index"]
+  },
+  output: {
+    filename: "[name].js"
+  },
+  plugins: [
+    new IgnorePlugin(new RegExp(/intentionally-missing-module/))
+  ]
+};