v8/test/mjsunit/es6/default-parameters-debug.js
yangguo acd0c3cf76 [debugger] fix blacklisted tests.
BUG=v8:5581

R=jgruber@chromium.org

Review-Url: https://codereview.chromium.org/2469043003
Cr-Commit-Position: refs/heads/master@{#40793}
2016-11-07 09:43:57 +00:00

55 lines
1.9 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.
// Flags: --expose-debug-as debug
// Get the Debug object exposed from the debug context global object.
Debug = debug.Debug
listenerComplete = false;
breakPointCount = 0;
exception = null;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
breakPointCount++;
if (breakPointCount == 1) {
// Break point in initializer for parameter `a`, invoked by
// initializer for parameter `b`
assertEquals('default', exec_state.frame(0).evaluate('mode').value());
assertTrue(exec_state.frame(1).evaluate('b').isUndefined());
assertTrue(exec_state.frame(1).evaluate('c').isUndefined());
} 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());
assertTrue(exec_state.frame(1).evaluate('c').isUndefined());
} 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());
}
} catch (e) {
exception = e;
}
};
// 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);
assertNull(exception);