v8/test/mjsunit/harmony/debug-evaluate-blockscopes.js
2014-11-14 13:39:20 +00:00

110 lines
3.2 KiB
JavaScript

// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --expose-debug-as debug --harmony-scoping
// Test debug evaluation for functions without local context, but with
// nested catch contexts.
"use strict";
var x;
var result;
function f() {
{ // Line 1.
let i = 1; // Line 2.
try { // Line 3.
throw 'stuff'; // Line 4.
} catch (e) { // Line 5.
x = 2; // Line 6.
}
}
};
// Get the Debug object exposed from the debug context global object.
var Debug = debug.Debug
// Set breakpoint on line 6.
var bp = Debug.setBreakPoint(f, 6);
function listener(event, exec_state, event_data, data) {
if (event == Debug.DebugEvent.Break) {
result = exec_state.frame().evaluate("i").value();
}
};
// Add the debug event listener.
Debug.setListener(listener);
result = -1;
f();
assertEquals(1, result);
// Clear breakpoint.
Debug.clearBreakPoint(bp);
// Get rid of the debug event listener.
Debug.setListener(null);
function f1() {
{
let i = 1;
debugger;
assertEquals(2, i);
}
}
function f2() {
{
let i = 1;
debugger;
assertEquals(2, i);
return function() { return i++; }
}
}
var exception;
Debug.setListener(function (event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) {
var frame = exec_state.frame();
assertEquals(1, frame.evaluate("i").value());
var allScopes = frame.allScopes();
assertEquals(1, allScopes[0].scopeObject().value().i);
allScopes[0].setVariableValue("i", 2);
}
} catch (e) {
exception = e;
}
});
exception = null;
f1();
assertEquals(null, exception, exception);
exception = null;
f2();
assertEquals(null, exception, exception);