6dda11ff81
Based on caitp's https://codereview.chromium.org/1127063003/ R=adamk@chromium.org, littledan@chromium.org BUG=v8:2160 LOG=N Review URL: https://codereview.chromium.org/1287063004 Cr-Commit-Position: refs/heads/master@{#30192}
59 lines
2.0 KiB
JavaScript
59 lines
2.0 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-debug-as debug --harmony-default-parameters
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// Get the Debug object exposed from the debug context global object.
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Debug = debug.Debug
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listenerComplete = false;
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breakPointCount = 0;
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function listener(event, exec_state, event_data, data) {
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if (event == Debug.DebugEvent.Break) {
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breakPointCount++;
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if (breakPointCount == 1) {
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// Break point in initializer for parameter `a`, invoked by
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// initializer for parameter `b`
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assertEquals('default', exec_state.frame(1).evaluate('mode').value());
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// initializer for `b` can't refer to `b`
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assertThrows(function() {
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exec_state.frame(1).evaluate('b').value();
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}, ReferenceError);
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assertThrows(function() {
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exec_state.frame(1).evaluate('c');
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}, ReferenceError);
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} else if (breakPointCount == 2) {
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// Break point in IIFE initializer for parameter `c`
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assertEquals('modeFn', exec_state.frame(1).evaluate('a.name').value());
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assertEquals('default', exec_state.frame(1).evaluate('b').value());
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assertThrows(function() {
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exec_state.frame(1).evaluate('c');
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}, ReferenceError);
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} else if (breakPointCount == 3) {
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// Break point in function body --- `c` parameter is shadowed
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assertEquals('modeFn', exec_state.frame(0).evaluate('a.name').value());
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assertEquals('default', exec_state.frame(0).evaluate('b').value());
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assertEquals('local', exec_state.frame(0).evaluate('d').value());
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}
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}
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};
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// Add the debug event listener.
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Debug.setListener(listener);
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function f(a = function modeFn(mode) { debugger; return mode; },
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b = a("default"),
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c = (function() { debugger; })()) {
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var d = 'local';
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debugger;
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};
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f();
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// Make sure that the debug event listener vas invoked.
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assertEquals(3, breakPointCount);
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