1 files changed, 44 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/wasm/log-code-after-post-message.js b/deps/v8/test/mjsunit/wasm/log-code-after-post-message.js
new file mode 100644
index 0000000000..d2a718dd38
--- /dev/null
+++ b/deps/v8/test/mjsunit/wasm/log-code-after-post-message.js
@@ -0,0 +1,44 @@
+// Copyright 2022 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.
+
+d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
+
+function workerCode() {
+  function WorkerOnProfileEnd(profile) {
+    postMessage(profile.indexOf('foo'));
+  }
+
+  onmessage = (wasm_module) => {
+    WebAssembly.instantiate(wasm_module, {q: {func: d8.profiler.triggerSample}})
+        .then(instance => {
+          instance.exports.foo();
+          console.profileEnd();
+        });
+  };
+
+  d8.profiler.setOnProfileEndListener(WorkerOnProfileEnd);
+  // Code logging happens for all code objects when profiling gets started,
+  // and when new code objects appear after profiling has started. We want to
+  // test the second scenario here. As new code objects appear as the
+  // parameter of {OnMessage}, we have to start profiling already here before
+  // {onMessage} is called.
+  console.profile();
+  postMessage('Starting worker');
+}
+
+const worker = new Worker(workerCode, {type: 'function'});
+
+assertEquals("Starting worker", worker.getMessage());
+
+const builder = new WasmModuleBuilder();
+const sig_index = builder.addType(kSig_v_v);
+const imp_index = builder.addImport("q", "func", sig_index);
+builder.addFunction('foo', kSig_v_v)
+    .addBody([
+      kExprCallFunction, imp_index,
+    ])
+    .exportFunc();
+const wasm_module = builder.toModule();
+worker.postMessage(wasm_module);
+assertTrue(worker.getMessage() > 0);