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

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// Flags: --expose-debug-as debug
// Get the Debug object exposed from the debug context global object.

Debug = debug.Debug

eval("var something1 = 25; \n"
     + "var something2 = 2010; \n"
     + "function ChooseAnimal() {\n"
     + "  return 'Cat';\n"
     + "} \n"
     + "function ChooseFurniture() {\n"
     + "  return 'Table';\n"
     + "} \n"
     + "function ChooseNumber() { return 17; } \n"
     + "ChooseAnimal.Factory = function Factory() {\n"
     + "  return function FactoryImpl(name) {\n"
     + "    return 'Help ' + name;\n"
     + "  }\n"
     + "}\n");

assertEquals("Cat", ChooseAnimal());
assertEquals(25, something1);

var script = Debug.findScript(ChooseAnimal);

var new_source = script.source.replace("Cat", "Cap' + 'yb' + 'ara");
var new_source = new_source.replace("25", "26");
var new_source = new_source.replace("Help", "Hello");
var new_source = new_source.replace("17", "18");
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");

assertEquals("Capybara", ChooseAnimal());
// Global variable do not get changed (without restarting script).
assertEquals(25, something1);
// We should support changes in oneliners.
assertEquals(18, ChooseNumber());
assertEquals("Hello Peter", ChooseAnimal.Factory()("Peter"));