v8/test/mjsunit/debug-liveedit-4.js

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// Copyright 2010 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 --noalways-opt
// Get the Debug object exposed from the debug context global object.
// In this test case we edit a script so that techincally function text
// hasen't been changed. However actually function became one level more nested
// and must be recompiled because it uses variable from outer scope.
Debug = debug.Debug
eval(
"function TestFunction() {\n"
+ " var a = 'a';\n"
+ " var b = 'b';\n"
+ " var c = 'c';\n"
+ " function A() {\n"
+ " return 2013;\n"
+ " }\n"
+ " function B() {\n"
+ " return String([a, c]);\n"
+ " }\n"
+ " return B();\n"
+ "}\n"
);
var res = TestFunction();
print(res);
assertEquals('a,c', res);
var script = Debug.findScript(TestFunction);
var new_source = script.source.replace("2013", "b");
print("new source: " + new_source);
var change_log = new Array();
var result = Debug.LiveEdit.SetScriptSource(script, new_source, false, change_log);
print("Result: " + JSON.stringify(result) + "\n");
print("Change log: " + JSON.stringify(change_log) + "\n");
var res = TestFunction();
print(res);
// This might be 'a,b' without a bug fixed.
assertEquals('a,c', res);