v8/test/debugger/debug/es6/debug-liveedit-new-target-1.js
Alexey Kozyatinskiy 69d166fcef [debug] migrate all liveedit tests to use LiveEdit::PatchScript
After this CL all liveedit tests call the same LiveEdit::PatchScript
method. This method will be updated later.
As well some new liveedit cctests added, unfortunately part of them
do not work with current implementation.

R=dgozman@chromium.org,yangguo@chromium.org

Bug: v8:7862
Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;luci.chromium.try:linux_chromium_rel_ng;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I3521af12b0f95b39d13aaafb1d1cf60f3f642a97
Reviewed-on: https://chromium-review.googlesource.com/1108382
Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53936}
2018-06-21 15:34:16 +00:00

89 lines
2.0 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.
// Test that live-editing a frame that uses new.target fails.
// Flags: --allow-natives-syntax
Debug = debug.Debug
var calls = 0;
var exceptions = 0;
var results = [];
var replace_again;
eval(`
function LogNewTarget() {
calls++;
ReplaceOnce();
results.push(true);
results.push(new.target);
}
`);
function Dummy() {}
function ExecuteInDebugContext(f) {
var result;
var exception = null;
Debug.setListener(function(event) {
if (event == Debug.DebugEvent.Break) {
try {
result = f();
} catch (e) {
// Rethrow this exception later.
exception = e;
}
}
});
debugger;
Debug.setListener(null);
if (exception !== null) throw exception;
return result;
}
function Replace(fun, original, patch) {
ExecuteInDebugContext(function() {
try {
%LiveEditPatchScript(fun, Debug.scriptSource(fun).replace(original, patch));
} catch (e) {
// TODO(kozyatinskiy): message should be BLOCKED_BY_NEW_TARGET_IN_RESTART_FRAME.
assertEquals(e, 'LiveEdit failed: BLOCKED_BY_FUNCTION_BELOW_NON_DROPPABLE_FRAME');
exceptions++;
}
});
}
function ReplaceOnce() {
if (replace_again) {
replace_again = false;
Replace(LogNewTarget, "true", "false");
}
}
function Revert() {
Replace(LogNewTarget, "false", "true");
}
replace_again = true;
ReplaceOnce();
new LogNewTarget();
Revert();
assertEquals(1, calls);
assertEquals(0, exceptions);
assertEquals([false, LogNewTarget], results);
replace_again = true;
LogNewTarget();
replace_again = true;
new LogNewTarget();
replace_again = true;
Reflect.construct(LogNewTarget, [], Dummy);
assertEquals(
[false, LogNewTarget, true, undefined, true, LogNewTarget, true, Dummy],
results);
assertEquals(4, calls); // No restarts
assertEquals(3, exceptions); // Replace failed.