The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/debug/Frame-identity-03.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,50 @@
     1.4 +// |jit-test| debug
     1.5 +// Test that we create new Debugger.Frames and reuse old ones correctly with recursion.
     1.6 +
     1.7 +var g = newGlobal();
     1.8 +g.debuggeeGlobal = this;
     1.9 +g.eval("(" + function () {
    1.10 +        function id(f) {
    1.11 +            return ("id" in f) ? f.id : (f.id = nextid++);
    1.12 +        }
    1.13 +
    1.14 +        var dbg = new Debugger(debuggeeGlobal);
    1.15 +        dbg.onDebuggerStatement = function (frame) {
    1.16 +            var a = [];
    1.17 +            for (; frame; frame = frame.older)
    1.18 +                a.push(frame);
    1.19 +            var s = '';
    1.20 +            while (a.length)
    1.21 +                s += id(a.pop());
    1.22 +            results.push(s);
    1.23 +        };
    1.24 +    } + ")();");
    1.25 +
    1.26 +function cons(a, b) {
    1.27 +    debugger;
    1.28 +    return [a, b];
    1.29 +}
    1.30 +
    1.31 +function tree(n) {
    1.32 +    if (n < 2)
    1.33 +        return n;
    1.34 +    return cons(tree(n - 1), tree(n - 2));
    1.35 +}
    1.36 +
    1.37 +g.eval("results = []; nextid = 0;");
    1.38 +debugger;
    1.39 +assertEq(g.results.join(","), "0");
    1.40 +assertEq(g.nextid, 1);
    1.41 +
    1.42 +g.eval("results = [];");
    1.43 +tree(2);
    1.44 +assertEq(g.results.join(","), "012"); // 0=global, 1=tree, 2=cons
    1.45 +
    1.46 +g.eval("results = []; nextid = 1;");
    1.47 +tree(3);
    1.48 +assertEq(g.results.join(","), "0123,014"); //0=global, 1=tree(3), 2=tree(2), 3=cons, 4=cons
    1.49 +
    1.50 +g.eval("results = []; nextid = 1;");
    1.51 +tree(4);
    1.52 +// 0=global, 1=tree(4), 2=tree(3), 3=tree(2), 4=cons, tree(1), 5=cons, 6=tree(2), 7=cons, 8=cons
    1.53 +assertEq(g.results.join(","), "01234,0125,0167,018");