tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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good-views.js (2794B)

      1 // |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics
      2 // Copyright (C) 2018 Rick Waldron. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 /*---
      5 esid: sec-atomics.or
      6 description: Test Atomics.or on arrays that allow atomic operations
      7 includes: [testAtomics.js, testBigIntTypedArray.js]
      8 features: [ArrayBuffer, Atomics, BigInt, DataView, SharedArrayBuffer, Symbol, TypedArray]
      9 ---*/
     10 const sab = new SharedArrayBuffer(1024);
     11 const ab = new ArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 2);
     12 
     13 testWithBigIntTypedArrayConstructors(function(TA) {
     14  const view = new TA(sab, 32, 20);
     15  const control = new TA(ab, 0, 2);
     16  view[8] = 0x33333333n;
     17  control[0] = 0x33333333n;
     18 
     19  assert.sameValue(
     20    Atomics.or(view, 8, 0x55555555n),
     21    control[0],
     22    'Atomics.or(view, 8, 0x55555555n) returns the value of `control[0]` (0x33333333n)'
     23  );
     24 
     25  control[0] = 0x77777777n;
     26 
     27  assert.sameValue(
     28    view[8],
     29    control[0],
     30    'The value of view[8] equals the value of `control[0]` (0x77777777n)'
     31  );
     32 
     33  assert.sameValue(
     34    Atomics.or(view, 8, 0xF0F0F0F0n),
     35    control[0],
     36    'Atomics.or(view, 8, 0xF0F0F0F0n) returns the value of `control[0]` (0x77777777n)'
     37  );
     38 
     39  control[0] = 0xF7F7F7F7n;
     40 
     41  assert.sameValue(
     42    view[8],
     43    control[0],
     44    'The value of view[8] equals the value of `control[0]` (0xF7F7F7F7n)'
     45  );
     46 
     47  view[3] = -5n;
     48  control[0] = -5n;
     49 
     50  assert.sameValue(
     51    Atomics.or(view, 3, 0n),
     52    control[0],
     53    'Atomics.or(view, 3, 0n) returns the value of `control[0]` (-5n)'
     54  );
     55 
     56  assert.sameValue(
     57    view[3],
     58    control[0],
     59    'The value of view[3] equals the value of `control[0]` (-5n)'
     60  );
     61 
     62  control[0] = 12345n;
     63  view[3] = 12345n;
     64 
     65  assert.sameValue(
     66    Atomics.or(view, 3, 0n),
     67    control[0],
     68    'Atomics.or(view, 3, 0n) returns the value of `control[0]` (12345n)'
     69  );
     70 
     71  assert.sameValue(
     72    view[3],
     73    control[0],
     74    'The value of view[3] equals the value of `control[0]` (12345n)'
     75  );
     76 
     77  control[0] = 123456789n;
     78  view[3] = 123456789n;
     79 
     80  assert.sameValue(
     81    Atomics.or(view, 3, 0n),
     82    control[0],
     83    'Atomics.or(view, 3, 0n) returns the value of `control[0]` (123456789n)'
     84  );
     85 
     86  assert.sameValue(
     87    view[3],
     88    control[0],
     89    'The value of view[3] equals the value of `control[0]` (123456789n)'
     90  );
     91 
     92  testWithAtomicsInBoundsIndices(function(IdxGen) {
     93    let Idx = IdxGen(view);
     94    view.fill(0n);
     95    Atomics.store(view, Idx, 37n);
     96    assert.sameValue(Atomics.or(view, Idx, 0n), 37n, 'Atomics.or(view, Idx, 0n) returns 37n');
     97  });
     98 });
     99 
    100 reportCompare(0, 0);