v8/test/inspector/debugger/regress-1125934.js

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// Copyright 2020 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
// Flags: --no-enable-experimental-regexp-engine
// Flags: --no-enable-experimental-regexp-engine-on-excessive-backtracks
// Flags: --no-regexp-tier-up
let {session, contextGroup, Protocol} = InspectorTest.start(
'Checks pause inside blackboxed optimized function call.');
session.setupScriptMap();
(async function test(){
Protocol.Debugger.enable();
// Use an non-atomic regexp to trigger the actual regexp engine.
Protocol.Debugger.setBlackboxPatterns({patterns: ['.*\.js']});
// Run a script dominated by a regexp, with a sourceURL to pattern-match.
Protocol.Runtime.evaluate({expression: `
/((a*)*)*b/.exec('aaaaaaaaaaaaaa');
//# sourceURL=framework.js`});
// Issue lots of pause messages to trigger at least one during regexp.
for (let i = 0; i < 100; i++) Protocol.Debugger.pause();
// Send the messages through interupt while regexp is running.
utils.interruptForMessages();
InspectorTest.completeTest();
})();