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// 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 above one that uses new.target succeeds.
Debug = debug.Debug
var wrapper_calls = 0;
var construct_calls = 0;
var exceptions = 0;
var results = [];
var replace_again;
eval(`
function LogNewTarget(arg) {
construct_calls++;
results.push(new.target);
}
function Wrapper() {
wrapper_calls++;
ReplaceOnce();
new LogNewTarget(true);
}
`);
function Replace(fun, original, patch) {
%ExecuteInDebugContext(function() {
var change_log = [];
try {
var script = Debug.findScript(fun);
var patch_pos = script.source.indexOf(original);
Debug.LiveEdit.TestApi.ApplySingleChunkPatch(
script, patch_pos, original.length, patch, change_log);
} catch (e) {
exceptions++;
}
});
}
function ReplaceOnce(x) {
if (replace_again) {
replace_again = false;
Replace(Wrapper, "true", "false");
}
}
function Revert() {
Replace(Wrapper, "false", "true");
}
replace_again = true;
ReplaceOnce();
Wrapper();
Revert();
assertEquals(1, construct_calls);
assertEquals(1, wrapper_calls);
assertEquals(0, exceptions); // Replace succeeds
assertEquals([LogNewTarget], results);
Wrapper();
assertEquals(2, construct_calls);
assertEquals(2, wrapper_calls);
assertEquals(0, exceptions); // Replace succeeds
assertEquals([LogNewTarget, LogNewTarget], results);
replace_again = true;
Wrapper();
assertEquals(3, construct_calls);
assertEquals(4, wrapper_calls); // Restarts
assertEquals(0, exceptions); // Replace succeeds
assertEquals([LogNewTarget, LogNewTarget, LogNewTarget], results);
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