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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
Debug = debug.Debug;
var base_id = -1;
var exception = null;
var expected = [
"enqueue #1",
"willHandle #1",
"didHandle #1",
];
function assertLog(msg) {
print(msg);
assertTrue(expected.length > 0);
assertEquals(expected.shift(), msg);
if (!expected.length) {
Debug.setListener(null);
}
}
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.AsyncTaskEvent) return;
try {
if (base_id < 0)
base_id = event_data.id();
var id = event_data.id() - base_id + 1;
assertEquals("Object.observe", event_data.name());
assertLog(event_data.type() + " #" + id);
} catch (e) {
print(e + e.stack)
exception = e;
}
}
Debug.setListener(listener);
var obj = {};
Object.observe(obj, function(changes) {
print(change.type + " " + change.name + " " + change.oldValue);
});
obj.foo = 1;
obj.zoo = 2;
obj.foo = 3;
assertNull(exception);
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