Frame-onStack-04.js

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// frame.onStack is false for frames discarded during uncatchable error unwinding.

load(libdir + 'asserts.js');

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

var dbg = Debugger(g);

var hits = 0;

var snapshot;

dbg.onDebuggerStatement = function (frame) {

    var stack = [];

    for (var f = frame; f; f = f.older) {

        if (f.type === "call" && f.script !== null)

            stack.push(f);

    snapshot = stack;

    if (hits++ === 0)

        assertEq(frame.eval("x();"), null);

    else

        return null;

};

g.eval("function z() { debugger; }");

g.eval("function y() { z(); }");

g.eval("function x() { y(); }");

assertEq(g.eval("debugger; 'ok';"), "ok");

assertEq(hits, 2);

assertEq(snapshot.length, 3);

for (var i = 0; i < snapshot.length; i++) {

    assertEq(snapshot[i].onStack, false);

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