Frame-script-environment-nondebuggee.js

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// The script and environment of a non-debuggee frame are inaccessible.

load(libdir + 'asserts.js');

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

var dbg = new Debugger;

var log;

dbg.onDebuggerStatement = function (frame) {

  log += frame.type;

  // Initially, 'frame' is a debuggee frame, and we should be able to see its script and environment.

  assertEq(frame.script instanceof Debugger.Script, true);

  assertEq(frame.environment instanceof Debugger.Environment, true);

  // If we make g no longer a debuggee, then trying to touch the frame at

  // all should throw.

  dbg.removeDebuggee(g);

  assertThrowsInstanceOf(() => frame.script, Error);

  assertThrowsInstanceOf(() => frame.environment, Error);

g.eval('function f() { debugger; }');

log = '';

dbg.addDebuggee(g);

g.f();

assertEq(log, 'call');

log = '';

dbg.addDebuggee(g);

g.eval('debugger;');

assertEq(log, 'eval');