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deps/v8/test/mjsunit/d8/d8-fuzzable-worker.js

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+// Copyright 2021 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Tests for a more fuzzable way for creating workers based on functions.
+
+(function TestWorker() {
+  function workerCode1() {
+    onmessage = function() {
+      postMessage('hi');
+    }
+  }
+
+  let w = new Worker(workerCode1, {type: 'function'});
+  w.postMessage('');
+  assertEquals('hi', w.getMessage());
+})();
+
+(function TestPassingNumberParam() {
+  function workerCode2(n) {
+    onmessage = function() {
+        postMessage('worker ' + (n + 1));
+    }
+  }
+
+  w = new Worker(workerCode2, {type: 'function', arguments: [2021]});
+  w.postMessage('');
+  assertEquals('worker 2022', w.getMessage());
+})();
+
+(function TestPassingStringParam() {
+  function workerCode3(s) {
+    onmessage = function() {
+        postMessage('worker ' + s);
+    }
+  }
+
+  w = new Worker(workerCode3, {type: 'function', arguments: ['hello']});
+  w.postMessage('');
+  assertEquals('worker hello', w.getMessage());
+})();
+
+(function TestPassingObjectParam() {
+  function workerCode4(o) {
+    onmessage = function() {
+        postMessage('worker ' + (o.x + 1));
+    }
+  }
+
+  w = new Worker(workerCode4, {type: 'function', arguments: [{x: 1}]});
+  w.postMessage('');
+  assertEquals('worker 2', w.getMessage());
+})();
+
+(function TestPassingFunctionParam() {
+  function workerCode5(f) {
+    eval(f);
+    onmessage = function() {
+        postMessage('worker ' + func());
+    }
+  }
+
+  let config = {'func': function func() { return 'hi';} };
+
+  w = new Worker(workerCode5, {type: 'function',
+                               arguments: [config.func.toString()]});
+  w.postMessage('');
+  assertEquals('worker hi', w.getMessage());
+})();