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f226350fcb
PR-URL: https://github.com/nodejs/node/pull/47251 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
78 lines
2.4 KiB
JavaScript
78 lines
2.4 KiB
JavaScript
// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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const num_functions = 200;
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// Create a simple Wasm module.
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function create_builder(delta = 0) {
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const builder = new WasmModuleBuilder();
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for (let i = 0; i < num_functions; ++i) {
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builder.addFunction('f' + i, kSig_i_v)
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.addBody(wasmI32Const(i + delta))
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.exportFunc();
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}
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return builder;
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}
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function checkDebugCode(instance) {
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for (let i = 0; i < num_functions; ++i) {
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// Call the function once because of lazy compilation.
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instance.exports['f' + i]();
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assertTrue(%IsWasmDebugFunction(instance.exports['f' + i]));
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}
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}
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function waitForNoDebugCode(instance) {
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// Busy waiting until all functions left debug mode.
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let num_liftoff_functions = 0;
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while (true) {
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num_liftoff_functions = 0;
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for (let i = 0; i < num_functions; ++i) {
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if (%IsWasmDebugFunction(instance.exports['f' + i])) {
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num_liftoff_functions++;
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}
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}
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if (num_liftoff_functions == 0) return;
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}
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}
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const Debug = new DebugWrapper();
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(function testEnterDebugMode() {
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// In the 'isolates' test, this test runs in parallel to itself on two
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// isolates. All checks below should still hold.
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const instance = create_builder(0).instantiate();
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Debug.enable();
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checkDebugCode(instance);
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const instance2 = create_builder(1).instantiate();
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checkDebugCode(instance2);
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Debug.disable();
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// Eventually the instances will have completely left debug mode again.
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waitForNoDebugCode(instance);
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waitForNoDebugCode(instance2);
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})();
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// Test async compilation.
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assertPromiseResult((async function testEnterDebugModeAsync() {
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// First test: enable the debugger *after* compiling the module.
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const instance = await create_builder(2).asyncInstantiate();
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Debug.enable();
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checkDebugCode(instance);
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const instance2 = await create_builder(3).asyncInstantiate();
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checkDebugCode(instance2);
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Debug.disable();
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waitForNoDebugCode(instance);
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waitForNoDebugCode(instance2);
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// Second test: enable the debugger *while* compiling the module.
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const instancePromise = create_builder(4).asyncInstantiate();
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Debug.enable();
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const instance3 = await instancePromise;
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checkDebugCode(instance3);
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Debug.disable();
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waitForNoDebugCode(instance3);
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})());
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