js/src/devtools/gc/tests/objGraph.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/devtools/gc/tests/objGraph.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,37 @@
     1.4 +test();
     1.5 +
     1.6 +function test()
     1.7 +{
     1.8 +  function generate_big_object_graph()
     1.9 +  {
    1.10 +    var root = {};
    1.11 +    f(root, 17);
    1.12 +    return root;
    1.13 +    function f(parent, depth) {
    1.14 +      if (depth == 0) 
    1.15 +          return;
    1.16 +      --depth;
    1.17 +
    1.18 +      f(parent.a = {}, depth);
    1.19 +      f(parent.b = {}, depth);
    1.20 +    }
    1.21 +  }
    1.22 +
    1.23 +  function f(obj) {
    1.24 +    with (obj)
    1.25 +      return arguments;
    1.26 +  }
    1.27 +
    1.28 +  for(var i = 0; i != 10; ++i) 
    1.29 +  {
    1.30 +    gc();
    1.31 +    var x = null;
    1.32 +    x = f(generate_big_object_graph());
    1.33 +
    1.34 +    gc(); //all used
    1.35 +
    1.36 +    x = null;
    1.37 +
    1.38 +    gc(); //all free
    1.39 +  }
    1.40 +}

mercurial