v8/test/debugger/regress/regress-5901-2.js
Ross McIlroy c0720d28db [Test] Add PrepareForOptimization to debugger/ tests.
BUG=v8:8801

Change-Id: Id5ef6219ba2dca2be0603dd0d45e7b27136836e9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1587391
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61085}
2019-04-29 13:47:16 +00:00

47 lines
903 B
JavaScript

// Copyright 2017 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.
function f() {
debugger;
return 1;
}
function g() {
return f(); // Break
}
function h() {
return g();
}
%PrepareFunctionForOptimization(h);
h();
h();
var Debug = debug.Debug;
var step_count = 0;
var exception = null;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
if (step_count == 0) {
exec_state.prepareStep(Debug.StepAction.StepOut);
} else {
assertTrue(exec_state.frame().sourceLineText().includes('Break'));
}
step_count++;
} catch (e) {
exception = e;
print(e);
}
}
Debug.setListener(listener);
%OptimizeFunctionOnNextCall(h);
h();
Debug.setListener(null);
assertNull(exception);
assertEquals(2, step_count);