v8/test/inspector/debugger/wasm-step-a-lot.js
Benedikt Meurer cad99884fb [inspector][wasm] Stop relying on //# sourceURL annotation.
These tests unnecessarily rely on the `//# sourceURL` annotation. This
is preparatory work to eventually move the treatment of `sourceURL` to
the DevTools front-end.

Bug: chromium:1183990
Change-Id: I934eb1580f503b7b9f8d97c250b7c798bc67e268
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2814568
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Auto-Submit: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73878}
2021-04-09 09:43:53 +00:00

58 lines
2.0 KiB
JavaScript

// 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.
// Lower the maximum code space size to detect missed garbage collection
// earlier.
// Flags: --wasm-max-code-space=2
utils.load('test/inspector/wasm-inspector-test.js');
const {session, contextGroup, Protocol} = InspectorTest.start(
'Tests repeated stepping through a large function (should not OOM)');
session.setupScriptMap();
const builder = new WasmModuleBuilder();
const body = [kExprLocalGet, 0];
// Stepping through a long function will repeatedly recreate stepping code, with
// corresponding side tables. This should not run OOM
// (https://crbug.com/1168564).
// We use calls such that stack checks are executed reliably.
for (let i = 0; i < 500; ++i) body.push(...wasmI32Const(i), kExprI32Add);
const func_test =
builder.addFunction('test', kSig_i_i).addBody(body).exportFunc();
const module_bytes = builder.toArray();
let paused = 0;
Protocol.Debugger.onPaused(msg => {
++paused;
if (paused % 50 == 0) InspectorTest.log(`Paused ${paused} and running...`);
Protocol.Debugger.stepOver();
});
InspectorTest.runAsyncTestSuite([
async function test() {
await Protocol.Runtime.enable();
await Protocol.Debugger.enable();
InspectorTest.log('Setting up global instance variable.');
WasmInspectorTest.instantiate(module_bytes);
const [, {params: wasmScript}] = await Protocol.Debugger.onceScriptParsed(2);
InspectorTest.log('Got wasm script: ' + wasmScript.url);
InspectorTest.log('Setting breakpoint');
await Protocol.Debugger.setBreakpoint({
location: {
scriptId: wasmScript.scriptId,
lineNumber: 0,
columnNumber: func_test.body_offset
}
});
await Protocol.Runtime.evaluate({ expression: 'instance.exports.test()' });
InspectorTest.log('test function returned.');
InspectorTest.log(`Paused ${paused} times.`);
}
]);