diff options
Diffstat (limited to 'test/built-ins/Atomics/exchange/good-views.js')
-rw-r--r-- | test/built-ins/Atomics/exchange/good-views.js | 78 |
1 files changed, 39 insertions, 39 deletions
diff --git a/test/built-ins/Atomics/exchange/good-views.js b/test/built-ins/Atomics/exchange/good-views.js index f42c98abe..d8fd39ee9 100644 --- a/test/built-ins/Atomics/exchange/good-views.js +++ b/test/built-ins/Atomics/exchange/good-views.js @@ -14,43 +14,43 @@ var ab = new ArrayBuffer(16); var int_views = [Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array]; testWithTypedArrayConstructors(function(View) { - // Make it interesting - use non-zero byteOffsets and non-zero indexes. - - var view = new View(sab, 32, 20); - var control = new View(ab, 0, 2); - - view[8] = 0; - assert.sameValue(Atomics.exchange(view, 8, 10), 0, - "Exchange returns the value previously in the array"); - assert.sameValue(view[8], 10); - - assert.sameValue(Atomics.exchange(view, 8, -5), 10, - "Exchange returns the value previously in the array"); - control[0] = -5; - assert.sameValue(view[8], control[0]); - - view[3] = -5; - control[0] = -5; - assert.sameValue(Atomics.exchange(view, 3, 0), control[0], - "Result is subject to coercion"); - - control[0] = 12345; - view[3] = 12345; - assert.sameValue(Atomics.exchange(view, 3, 0), control[0], - "Result is subject to chopping"); - - control[0] = 123456789; - view[3] = 123456789; - assert.sameValue(Atomics.exchange(view, 3, 0), control[0], - "Result is subject to chopping"); - - // In-bounds boundary cases for indexing - testWithAtomicsInBoundsIndices(function(IdxGen) { - let Idx = IdxGen(view); - view.fill(0); - // Atomics.store() computes an index from Idx in the same way as other - // Atomics operations, not quite like view[Idx]. - Atomics.store(view, Idx, 37); - assert.sameValue(Atomics.exchange(view, Idx, 0), 37); - }); + // Make it interesting - use non-zero byteOffsets and non-zero indexes. + + var view = new View(sab, 32, 20); + var control = new View(ab, 0, 2); + + view[8] = 0; + assert.sameValue(Atomics.exchange(view, 8, 10), 0, + "Exchange returns the value previously in the array"); + assert.sameValue(view[8], 10); + + assert.sameValue(Atomics.exchange(view, 8, -5), 10, + "Exchange returns the value previously in the array"); + control[0] = -5; + assert.sameValue(view[8], control[0]); + + view[3] = -5; + control[0] = -5; + assert.sameValue(Atomics.exchange(view, 3, 0), control[0], + "Result is subject to coercion"); + + control[0] = 12345; + view[3] = 12345; + assert.sameValue(Atomics.exchange(view, 3, 0), control[0], + "Result is subject to chopping"); + + control[0] = 123456789; + view[3] = 123456789; + assert.sameValue(Atomics.exchange(view, 3, 0), control[0], + "Result is subject to chopping"); + + // In-bounds boundary cases for indexing + testWithAtomicsInBoundsIndices(function(IdxGen) { + let Idx = IdxGen(view); + view.fill(0); + // Atomics.store() computes an index from Idx in the same way as other + // Atomics operations, not quite like view[Idx]. + Atomics.store(view, Idx, 37); + assert.sameValue(Atomics.exchange(view, Idx, 0), 37); + }); }, int_views); |