The Tor Browser: js/src/jit-test/tests/basic/testMissingProperties.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 function isnan(n) { return n !== n }

     3 function f(x) {

     4     var sum = 0;

     5     for (var i = 0; i < 100; ++i)

     6         sum += x.x;

     7     return sum;

8 }

     9 var o = {};

    10 assertEq(isnan(f(o)), true);

    11 o.x = 1;

    12 assertEq(f(o), 100);

    13 var o = {a:1, b:2};

    14 assertEq(isnan(f(o)), true);

    15 o.x = 2;

    16 assertEq(f(o), 200);

    18 function g(x) {

    19     var sum = 0;

    20     for (var i = 0; i < 100; ++i)

    21         sum += x.x;

    22     return sum;

    23 }

    24 var o = {c:1, x:1};

    25 assertEq(g(o), 100);

    26 var o = {};

    27 assertEq(isnan(g(o)), true);

    29 function h(x) {

    30     var sum = 0;

    31     for (var i = 0; i < 100; ++i)

    32         sum += x.x;

    33     return sum;

    34 }

    36 var proto1 = {};

    37 var proto2 = Object.create(proto1);

    38 var o = Object.create(proto2);

    39 assertEq(isnan(f(o)), true);

    40 assertEq(isnan(g(o)), true);

    41 assertEq(isnan(h(o)), true);

    42 proto2.x = 2;

    43 assertEq(f(o), 200);

    44 assertEq(g(o), 200);

    45 assertEq(h(o), 200);

    46 var o = {}

    47 assertEq(isnan(f(o)), true);

    48 assertEq(isnan(g(o)), true);

    49 assertEq(isnan(h(o)), true);

The Tor Browser / file revision