v8/test/mjsunit/debug-stepframe.js
yangguo@chromium.org 630d6b8b71 Introduce new stepping mode to step into another frame.
R=aandrey@chromium.org
BUG=chromium:267592
LOG=Y

Review URL: https://codereview.chromium.org/690263004

Cr-Commit-Position: refs/heads/master@{#25130}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25130 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-11-05 08:44:54 +00:00

112 lines
2.3 KiB
JavaScript

// Copyright 2014 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: --expose-debug-as debug
function f0() {
var v00 = 0; // Break 1
var v01 = 1;
// Normal function call in a catch scope.
try {
throw 1;
} catch (e) {
try{
f1();
} catch (e) {
var v02 = 2; // Break 13
}
}
var v03 = 3;
var v04 = 4;
}
function f1() {
var v10 = 0; // Break 2
var v11 = 1;
// Getter call.
var v12 = o.get;
var v13 = 3 // Break 4
// Setter call.
o.set = 2;
var v14 = 4; // Break 6
// Function.prototype.call.
f2.call();
var v15 = 5; // Break 12
var v16 = 6;
// Exit function by throw.
throw 1;
var v17 = 7;
}
function get() {
var g0 = 0; // Break 3
var g1 = 1;
return 3;
}
function set() {
var s0 = 0; // Break 5
return 3;
}
function f2() {
var v20 = 0; // Break 7
// Construct call.
var v21 = new c0();
var v22 = 2; // Break 9
// Bound function.
b0();
return 2; // Break 11
}
function c0() {
this.v0 = 0; // Break 8
this.v1 = 1;
}
function f3() {
var v30 = 0; // Break 10
var v31 = 1;
return 3;
}
var b0 = f3.bind(o);
var o = {};
Object.defineProperty(o, "get", { get : get });
Object.defineProperty(o, "set", { set : set });
Debug = debug.Debug;
var break_count = 0
var exception = null;
var step_size;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
var line = exec_state.frame(0).sourceLineText();
print(line);
var match = line.match(/\/\/ Break (\d+)$/);
assertEquals(2, match.length);
assertEquals(break_count, parseInt(match[1]));
break_count += step_size;
exec_state.prepareStep(Debug.StepAction.StepFrame, step_size);
} catch (e) {
print(e + e.stack);
exception = e;
}
}
for (step_size = 1; step_size < 6; step_size++) {
print("step size = " + step_size);
break_count = 0;
Debug.setListener(listener);
debugger; // Break 0
f0();
Debug.setListener(null); // Break 14
assertTrue(break_count > 14);
}
assertNull(exception);