js/src/tests/js1_7/geniter/gen-with-call-obj.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_7/geniter/gen-with-call-obj.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,36 @@
     1.4 +var foo;
     1.5 +
     1.6 +function gen() {
     1.7 +    var x = 0;
     1.8 +    foo = function() { return x++; }
     1.9 +    for (var i = 0; i < 10; ++i)
    1.10 +        yield x++;
    1.11 +}
    1.12 +
    1.13 +var j = 0;
    1.14 +for (i in gen())
    1.15 +    assertEq(i, j++);
    1.16 +
    1.17 +// now mess up the stack
    1.18 +
    1.19 +function f1(x) {
    1.20 +    var a, b, c, d, e, f, g;
    1.21 +    return x <= 0 ? 0 : f1(x-1);
    1.22 +}
    1.23 +f1(10);
    1.24 +function f2(x) {
    1.25 +    var a = x, b = x;
    1.26 +    return x <= 0 ? 0 : f2(x-1);
    1.27 +}
    1.28 +f2(10);
    1.29 +
    1.30 +// now observe gen's call object (which should have been put)
    1.31 +
    1.32 +gc();
    1.33 +assertEq(foo(), 10);
    1.34 +gc();
    1.35 +assertEq(foo(), 11);
    1.36 +gc();
    1.37 +assertEq(foo(), 12);
    1.38 +
    1.39 +reportCompare(true,true);

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