tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

Memory-allocationSamplingProbability-01.js (1743B)

      1 // Test that setting Debugger.Memory.prototype.allocationSamplingProbability to
      2 // a bad number throws.
      3 
      4 load(libdir + "asserts.js");
      5 
      6 const root = newGlobal({newCompartment: true});
      7 
      8 const dbg = new Debugger();
      9 const wrappedRoot = dbg.addDebuggee(root);
     10 
     11 var mem = dbg.memory;
     12 
     13 // Out of range, negative
     14 assertThrowsInstanceOf(() => mem.allocationSamplingProbability = -Number.MAX_VALUE,
     15                       TypeError);
     16 assertThrowsInstanceOf(() => mem.allocationSamplingProbability = -1,
     17                       TypeError);
     18 assertThrowsInstanceOf(() => mem.allocationSamplingProbability = -Number.MIN_VALUE,
     19                       TypeError);
     20 
     21 // In range
     22 mem.allocationSamplingProbability = -0.0;
     23 mem.allocationSamplingProbability = 0.0;
     24 mem.allocationSamplingProbability = Number.MIN_VALUE;
     25 mem.allocationSamplingProbability = 1 / 3;
     26 mem.allocationSamplingProbability = .5;
     27 mem.allocationSamplingProbability = 2 / 3;
     28 mem.allocationSamplingProbability = 1 - Math.pow(2, -53);
     29 mem.allocationSamplingProbability = 1;
     30 
     31 // Out of range, positive
     32 assertThrowsInstanceOf(() => mem.allocationSamplingProbability = 1 + Number.EPSILON,
     33                       TypeError);
     34 assertThrowsInstanceOf(() => mem.allocationSamplingProbability = 2,
     35                       TypeError);
     36 assertThrowsInstanceOf(() => mem.allocationSamplingProbability = Number.MAX_VALUE,
     37                       TypeError);
     38 
     39 // Out of range, non-finite
     40 assertThrowsInstanceOf(() => mem.allocationSamplingProbability = -Infinity,
     41                       TypeError);
     42 assertThrowsInstanceOf(() => mem.allocationSamplingProbability = Infinity,
     43                       TypeError);
     44 assertThrowsInstanceOf(() => mem.allocationSamplingProbability = NaN,
     45                       TypeError);