Environment-setVariable-05.js

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// setVariable can change the types of variables and arguments in functions.

var g = newGlobal({newCompartment: true});

g.eval("function f(a) { var b = a + 1; debugger; return a + b; }");

for (var i = 0; i < 20; i++)

    assertEq(g.f(i), 2 * i + 1);

var dbg = new Debugger(g);

dbg.onDebuggerStatement = function (frame) {

    frame.environment.setVariable("a", "xyz");

    frame.environment.setVariable("b", "zy");

};

for (var i = 0; i < 10; i++)

    assertEq(g.f(i), "xyzzy");