v8/test/debugger/debug/regress/regress-crbug-568477-1.js
2016-11-23 12:38:35 +00:00

55 lines
1.2 KiB
JavaScript

// Copyright 2015 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.
var Debug = debug.Debug;
var expected = ["debugger;", "var x = y;", "debugger;", "var x = y;"];
var log = [];
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
var line = exec_state.frame(0).sourceLineText().trimLeft();
log.push(line);
if (line == "debugger;") exec_state.prepareStep(Debug.StepAction.StepNext);
} catch (e) {
%AbortJS(e + "\n" + e.stack);
}
}
Debug.setListener(listener);
function f() {
var a = 1;
debugger;
var x = y;
print(x);
}
function call_f_with_deeper_stack() {
(() => () => () => f())()()();
}
Promise.resolve().then(f).catch(call_f_with_deeper_stack);
// Schedule microtask to check against expectation at the end.
function testDone(iteration) {
function checkResult() {
try {
assertTrue(iteration < 10);
if (expected.length == log.length) {
assertEquals(expected, log);
} else {
testDone(iteration + 1);
}
} catch (e) {
%AbortJS(e + "\n" + e.stack);
}
}
%EnqueueMicrotask(checkResult);
}
testDone(0);