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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.
// Flags: --expose-debug-as debug
// Get the Debug object exposed from the debug context global object.
Debug = debug.Debug
listenerComplete = false;
breakPointCount = 0;
function listener(event, exec_state, event_data, data) {
if (event == Debug.DebugEvent.Break) {
breakPointCount++;
if (breakPointCount == 1) {
// Break point in initializer for parameter `a`, invoked by
// initializer for parameter `b`
assertEquals('default', exec_state.frame(1).evaluate('mode').value());
// initializer for `b` can't refer to `b`
assertThrows(function() {
exec_state.frame(1).evaluate('b').value();
}, ReferenceError);
assertThrows(function() {
exec_state.frame(1).evaluate('c');
}, ReferenceError);
} else if (breakPointCount == 2) {
// Break point in IIFE initializer for parameter `c`
assertEquals('modeFn', exec_state.frame(1).evaluate('a.name').value());
assertEquals('default', exec_state.frame(1).evaluate('b').value());
assertThrows(function() {
exec_state.frame(1).evaluate('c');
}, ReferenceError);
} else if (breakPointCount == 3) {
// Break point in function body --- `c` parameter is shadowed
assertEquals('modeFn', exec_state.frame(0).evaluate('a.name').value());
assertEquals('default', exec_state.frame(0).evaluate('b').value());
assertEquals('local', exec_state.frame(0).evaluate('d').value());
}
}
};
// Add the debug event listener.
Debug.setListener(listener);
function f(a = function modeFn(mode) { debugger; return mode; },
b = a("default"),
c = (function() { debugger; })()) {
var d = 'local';
debugger;
};
f();
// Make sure that the debug event listener vas invoked.
assertEquals(3, breakPointCount);
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