v8/test/mjsunit/wasm/worker-interpreter.js
Sam Clegg 505cccb9e9 [d8] Update new Worker API to match the Web API
Previously we only supported strings and not filenames.  This
changes the default to filename and adds a new `type: string` which can
be passed `options` to allow for strings to be passed in test code.

See: https://developer.mozilla.org/en-US/docs/Web/API/Worker/Worker

Bug: v8:8020
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: Ie8818885c5c5c071b6614852322cb45aeb01a647
Reviewed-on: https://chromium-review.googlesource.com/1185980
Commit-Queue: Sam Clegg <sbc@chromium.org>
Reviewed-by: Ben Smith <binji@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56056}
2018-09-20 00:10:28 +00:00

64 lines
2.1 KiB
JavaScript

// Copyright 2018 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.
// Flags: --allow-natives-syntax --no-wasm-disable-structured-cloning
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
(function TestPostInterpretedModule() {
let builder = new WasmModuleBuilder();
let add = builder.addFunction("add", kSig_i_ii)
.addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprI32Add])
.exportFunc();
let module = builder.toModule();
let instance = new WebAssembly.Instance(module);
let exp = instance.exports;
let workerScript = `
var instance = null;
onmessage = function(message) {
try {
if (message.command == 'module') {
instance = new WebAssembly.Instance(message.module);
postMessage('OK');
}
if (message.command == 'call') {
let result = instance.exports.add(40, 2);
postMessage(result);
}
} catch(e) {
postMessage('ERROR: ' + e);
}
}
`;
let worker = new Worker(workerScript, {type: 'string'});
// Call method without using the interpreter.
var initial_interpreted = %WasmNumInterpretedCalls(instance);
assertEquals(23, exp.add(20, 3));
assertEquals(initial_interpreted + 0, %WasmNumInterpretedCalls(instance));
// Send module to the worker, still not interpreting.
worker.postMessage({ command:'module', module:module });
assertEquals('OK', worker.getMessage());
worker.postMessage({ command:'call' });
assertEquals(42, worker.getMessage());
assertEquals(initial_interpreted + 0, %WasmNumInterpretedCalls(instance));
// Switch to the interpreter and call method.
%RedirectToWasmInterpreter(instance, add.index);
assertEquals(23, exp.add(20, 3));
assertEquals(initial_interpreted + 1, %WasmNumInterpretedCalls(instance));
// Let worker call interpreted function.
worker.postMessage({ command:'call' });
assertEquals(42, worker.getMessage());
assertEquals(initial_interpreted + 1, %WasmNumInterpretedCalls(instance));
// All done.
worker.terminate();
})();