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// 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 --harmony
Debug = debug.Debug;
var break_count = 0
var exception = null;
var log = []
var s = 0;
var a = [1, 2, 3];
var i = 0;
function f() {
"use strict";
debugger; // Break a
var j; // Break b
for (var i in null) { // Break c
s += a[i];
}
for (j in null) { // Break d
s += a[j];
}
for (var i in a) { // Break e
s += a[i]; // Break E
}
for (j in a) { // Break f
s += a[j]; // Break F
}
for (let i in a) { // Break g
s += a[i]; // Break G
}
for (var i of a) { // Break h
s += i; // Break H
}
for (j of a) { // Break i
s += j; // Break I
}
for (let i of a) { // Break j
s += i; // Break J
}
for (var i = 0; i < 3; i++) { // Break k
s += a[i]; // Break K
}
for (j = 0; j < 3; j++) { // Break l
s += a[j]; // Break L
}
for (let i = 0; i < 3; i++) { // Break m
s += a[i]; // Break M
}
} // Break y
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
var line = exec_state.frame(0).sourceLineText();
var col = exec_state.frame(0).sourceColumn();
print(line);
var match = line.match(/\/\/ Break (\w)$/);
assertEquals(2, match.length);
log.push(match[1] + col);
exec_state.prepareStep(Debug.StepAction.StepNext, 1);
break_count++;
} catch (e) {
exception = e;
}
}
Debug.setListener(listener);
f();
Debug.setListener(null); // Break z
print("log:\n"+ JSON.stringify(log));
// The let declaration differs from var in that the loop variable
// is declared in every iteration.
var expected = [
// Entry
"a2","b2",
// Empty for-in-var: get enumerable
"c16",
// Empty for-in: get enumerable
"d12",
// For-in-var: get enumerable, assign, body, assign, body, ...
"e16","e11","E4","e11","E4","e11","E4","e11",
// For-in: get enumerable, assign, body, assign, body, ...
"f12","f7","F4","f7","F4","f7","F4","f7",
// For-in-let: get enumerable, next, body, next, ...
"g16","g11","G4","g11","G4","g11","G4","g11",
// For-of-var: next(), body, next(), body, ...
"h16","H4","h16","H4","h16","H4","h16",
// For-of: next(), body, next(), body, ...
"i12","I4","i12","I4","i12","I4","i12",
// For-of-let: next(), body, next(), ...
"j16","J4","j16","J4","j16","J4","j16",
// For-var: var decl, condition, body, next, condition, body, ...
"k7","k20","K4","k26","k20","K4","k26","k20","K4","k26","k20",
// For: init, condition, body, next, condition, body, ...
"l7","l16","L4","l22","l16","L4","l22","l16","L4","l22","l16",
// For-let: init, condition, body, next, condition, body, ...
"m7","m20","M4","m26","m20","M4","m26","m20","M4","m26","m20",
// Exit.
"y0","z0",
]
print("expected:\n"+ JSON.stringify(expected));
assertArrayEquals(expected, log);
assertEquals(54, s);
assertNull(exception);
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