v8/test/inspector/debugger/side-effect-free-coverage-enabled.js
bcoe 6be2f6e26e [coverage] IncBlockCounter should not be side-effect
Incrementing coverage counter was triggering EvalError for
evaluateOnCallFrame when throwOnSideEffect is true.

R=jgruber@chromium.org, sigurds@chromium.org, yangguo@chromium.org

Bug: v8:10856
Change-Id: I0552e19a3a14ff61a9cb626494fb4a21979d535e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2384011
Commit-Queue: Benjamin Coe <bencoe@google.com>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69628}
2020-08-31 19:27:55 +00:00

44 lines
1.2 KiB
JavaScript

// 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.
let {session, contextGroup, Protocol} = InspectorTest.start('Tests side-effect-free evaluation with coverage enabled');
contextGroup.addScript(`
function testFunction()
{
var o = 0;
function f() { return 1; }
function g() { o = 2; return o; }
f,g;
debugger;
}
//# sourceURL=foo.js`);
// Side effect free call should not result in EvalError when coverage
// is enabled:
Protocol.Profiler.enable()
Protocol.Profiler.startPreciseCoverage({callCount: true, detailed: true})
Protocol.Debugger.enable();
Protocol.Debugger.oncePaused().then(debuggerPaused);
Protocol.Runtime.evaluate({ "expression": "setTimeout(testFunction, 0)" });
var topFrameId;
function debuggerPaused(messageObject)
{
InspectorTest.log("Paused on 'debugger;'");
topFrameId = messageObject.params.callFrames[0].callFrameId;
Protocol.Debugger.evaluateOnCallFrame({ callFrameId: topFrameId, expression: "f()", throwOnSideEffect: true}).then(evaluatedFirst);
}
function evaluatedFirst(response)
{
InspectorTest.log("f() returns " + response.result.result.value);
InspectorTest.completeTest();
}