1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit-test/tests/debug/Object-script-lazy.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,43 @@
1.4 +// Asking for the script of a Debugger.Object should work, even when lazy
1.5 +// functions are involved.
1.6 +
1.7 +// Note that we never hand out the scripts of non-debuggee functions, and
1.8 +// putting a compartment in debug mode automatically de-lazifies all its
1.9 +// functions. (This ensures that findScripts works, too.)
1.10 +//
1.11 +// So here we create a reference to a non-debuggee function, verify that we
1.12 +// can't access its interesting properties, make it a debuggee, and verify
1.13 +// that everything becomes available.
1.14 +
1.15 +// Create functions f, g in a non-debuggee compartment.
1.16 +var g1 = newGlobal();
1.17 +g1.eval('function f() { return "from f"; }');
1.18 +g1.eval('function g() { return "from g"; }');
1.19 +
1.20 +// Create a debuggee compartment with CCWs referring to f and g.
1.21 +var g2 = newGlobal();
1.22 +var dbg = new Debugger;
1.23 +var g2w = dbg.addDebuggee(g2);
1.24 +g2.f = g1.f;
1.25 +g2.g = g1.g;
1.26 +
1.27 +// At this point, g1.f should still be a lazy function. Unwrapping a D.O
1.28 +// referring to g2's CCW of f should yield a D.O referring to f directly.
1.29 +// Asking for that second D.O's script should yield null, because it's not
1.30 +// a debuggee.
1.31 +var fDO = g2w.getOwnPropertyDescriptor('f').value;
1.32 +assertEq(fDO.global, g2w);
1.33 +assertEq(fDO.unwrap().global === g2w, false);
1.34 +assertEq(fDO.unwrap().script, null);
1.35 +
1.36 +// Similarly for g1.g, and asking for its parameter names.
1.37 +var gDO = g2w.getOwnPropertyDescriptor('g').value;
1.38 +assertEq(gDO.global, g2w);
1.39 +assertEq(gDO.unwrap().global === g2w, false);
1.40 +assertEq(gDO.unwrap().parameterNames, undefined);
1.41 +
1.42 +// Add g1 as a debuggee, and verify that we can get everything.
1.43 +dbg.addDebuggee(g1);
1.44 +assertEq(fDO.unwrap().script instanceof Debugger.Script, true);
1.45 +assertEq(gDO.unwrap().parameterNames instanceof Array, true);
1.46 +
