v8/test/debugger/debug/debug-multiple-var-decl.js
Benedikt Meurer 3740764cca [debug][cleanup] Use consistent StepInto and StepOver naming.
In the Chrome DevTools Protocol, the step actions are named StepOut,
StepOver, and StepInto, but internally we used StepOut, StepNext, and
StepIn instead. This change adjusts the naming to be consistent.

Bug: chromium:901814, chromium:1162229
Change-Id: Id3502a1b0a4aadd94734ec3d1fef73c1782fa220
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928510
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Auto-Submit: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74877}
2021-06-01 11:26:57 +00:00

75 lines
1.8 KiB
JavaScript

// Copyright 2016 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.
// Test we break at every assignment in a var-statement with multiple
// variable declarations.
var exception = null;
var log = []
function f() {
var l1 = 1, // l
l2, // m
l3 = 3; // n
let l4, // o
l5 = 5, // p
l6 = 6; // q
const l7 = 7, // r
l8 = 8, // s
l9 = 9; // t
return 0 // u
; // v
}
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(/\/\/ (\w)$/);
assertEquals(2, match.length);
log.push(match[1] + col);
if (match[1] != "v") {
exec_state.prepareStep(Debug.StepAction.StepInto);
}
} catch (e) {
exception = e;
}
}
var Debug = debug.Debug;
Debug.setListener(listener);
debugger; // a
var g1 = 1, // b
g2 = 2, // c
g3; // d
let g4 = 4, // e
g5, // f
g6 = 6; // g
const g7 = 7, // h
g8 = 8, // i
g9 = f(); // j
Debug.setListener(null);
assertNull(exception);
// Note that let declarations, if not explicitly initialized, implicitly
// initialize to undefined.
var expected = [
"a0", // debugger statement
"b9","c9", // global var
"e9","f4","g9", // global let
"h11","i11","j11", // global const
"l11","n11", // local var
"o6","p11","q11", // local let
"r13","s13","t13", // local const
"u2","v3", // return
];
assertEquals(expected, log);