Merge pull request #6529 from webpack/test/wasm-order

add wasm order test case

test/cases/wasm/order/a.js

@@ -0,0 +1,7 @@
+import { trackA, results } from "./tracker";
+import "./b.js";
+import "./wasm.wasm";
+
+trackA();
+
+export default results;

test/cases/wasm/order/b.js

@@ -0,0 +1,3 @@
+import { trackB } from "./tracker";
+
+trackB();

test/cases/wasm/order/c.js

@@ -0,0 +1,5 @@
+import { trackC } from "./tracker";
+
+trackC();
+
+export const magicNumber = 42;

test/cases/wasm/order/index.js

@@ -0,0 +1,7 @@
+it("should be evaluated in the correct order", () => {
+	return import("./a").then(({ default: results }) => {
+		return Promise.resolve().then(() => { // wait an extra tick to get the tick from the tracker
+			results.should.be.eql(["b", "c", "wasm42", "a", "tick"]);
+		});
+	});
+});

test/cases/wasm/order/test.filter.js

@@ -0,0 +1,5 @@
+var supportsWebAssembly = require("../../../helpers/supportsWebAssembly");
+
+module.exports = function(config) {
+	return supportsWebAssembly();
+};

test/cases/wasm/order/tracker.js

@@ -0,0 +1,8 @@
+export let results = [];
+
+export function trackA() { results.push("a"); }
+export function trackB() { results.push("b"); }
+export function trackC() { results.push("c"); }
+export function trackWasm(number) { results.push("wasm" + number); }
+
+Promise.resolve().then(() => results.push("tick"));

test/cases/wasm/order/wasm.wat

@@ -0,0 +1,9 @@
+(module
+  (func $trackWasm (import "./tracker" "trackWasm") (param i32))
+  (global $magicNumber (import "./c.js" "magicNumber") i32)
+  (func $start
+    get_global $magicNumber
+    call $trackWasm
+  )
+  (start $start)
+)