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

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// 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);