Frame-arguments-03.js

Enable keyboard shortcuts

// Destructuring arguments.

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

var dbg = new Debugger(g);

var hits = 0;

dbg.onDebuggerStatement = function (frame) {

    var args = frame.arguments;

    assertEq(args[0], 1);

    assertEq(args.length, 4);

    assertEq(args[1] instanceof Debugger.Object, true);

    assertEq(args[1].class, "Array");

    var getprop = frame.eval("(function (p) { return this[p]; })").return;

    assertEq(getprop instanceof Debugger.Object, true);

    assertEq(getprop.apply(args[1], ["length"]).return, 2);

    assertEq(getprop.apply(args[1], [0]).return, 2);

    assertEq(getprop.apply(args[1], [1]).return, 3);

    assertEq(args[2] instanceof Debugger.Object, true);

    assertEq(args[2].class, "Object");

    var x = getprop.apply(args[2], ["x"]).return;

    assertEq(x.class, "Array");

    assertEq(getprop.apply(x, ["0"]).return, 4);

    assertEq(getprop.apply(args[2], ["z"]).return, 5);

    assertEq(args[3] instanceof Debugger.Object, true);

    assertEq(args[3].class, "Object");

    assertEq(getprop.apply(args[3], ["q"]).return, 6);

    hits++;

};

g.eval("function f(a, [b, c], {x: [y], z: w}, {q}) { debugger; }");

g.eval("f(1, [2, 3], {x: [4], z: 5}, {q: 6});");

assertEq(hits, 1);