node/deps/v8/test/debugger/debug/debug-step-into-valueof.js
Michaël Zasso d82e1075db
deps: update V8 to 6.1.534.36
PR-URL: https://github.com/nodejs/node/pull/14730
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2017-09-13 16:15:18 +02:00

36 lines
907 B
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.
Debug = debug.Debug
var exception = null;
var break_count = 0;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
print(event_data.sourceLineText());
assertTrue(event_data.sourceLineText().indexOf(`Break ${break_count++}.`) > 0);
exec_state.prepareStep(Debug.StepAction.StepIn);
} catch (e) {
exception = e;
}
};
function valueOfCallback() {
return 2 // Break 2.
; // Break 3.
}
var o = {};
o.valueOf = valueOfCallback;
Debug.setListener(listener);
debugger; // Break 0.
var result = 1 + o; // Break 1.
Debug.setListener(null); // Break 4.
assertEquals(3, result);
assertNull(exception);