v8/test/debugger/debug/debug-evaluate-no-side-effect-control.js
Ross McIlroy f774d8c56f [Flags] Add negation implications for --turbo negative so --no-turbo works.
Once we enabled --turbo by default we need to turn all the implications
off with --no-turbo as well. Chrome sets flags in V8 using SetFlagFromString,
which enforces the implications each time it is called. Therefore, if --turbo
is enabled by default, and an unrelated flag is set, the turbo implications are
enabled but not later disabled if we set --no-turbo. To fix this, add negative
implications as well.

BUG=chromium:692409

Change-Id: Iadb0ca542f49ba65c7419cda8c7a03636a8d5ba9
Reviewed-on: https://chromium-review.googlesource.com/451320
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43655}
2017-03-07 20:41:12 +00:00

110 lines
2.1 KiB
JavaScript

// Copyright 2017 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: --ignition --turbo
Debug = debug.Debug
var exception = null;
var o = { p : 1 };
var successes = [
[45,
`(function() {
var sum = 0;
for (var i = 0; i < 10; i++) sum += i;
return sum;
})()`
],
["0012",
`(function() {
var sum = 0;
for (var i in [1, 2, 3]) sum += i;
return sum;
})()`
],
[15,
`(function() {
var sum = 1;
while (sum < 12) sum += sum + 1;
return sum;
})()`
],
[15,
`(function() {
var sum = 1;
do { sum += sum + 1; } while (sum < 12);
return sum;
})()`
],
["023",
`(function() {
var sum = "";
for (var i = 0; i < 4; i++) {
switch (i) {
case 0:
case 1:
if (i == 0) sum += i;
break;
default:
case 3:
sum += i;
break;
}
}
return sum;
})()`
],
["oups",
`(function() {
try {
if (Math.sin(1) < 1) throw new Error("oups");
} catch (e) {
return e.message;
}
})()`
],
];
var fails = [
`(function() { // Iterator.prototype.next performs stores.
var sum = 0;
for (let i of [1, 2, 3]) sum += i;
return sum;
})()`,
`(function() { // Store to scope object.
with (o) {
p = 2;
}
})()`,
];
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
successes.forEach(function ([expectation, source]) {
assertEquals(expectation,
exec_state.frame(0).evaluate(source, true).value());
});
fails.forEach(function (test) {
assertThrows(() => exec_state.frame(0).evaluate(test, true), EvalError);
});
} catch (e) {
exception = e;
print(e, e.stack);
};
};
// Add the debug event listener.
Debug.setListener(listener);
function f() {
debugger;
};
f();
assertNull(exception);