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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Atomics/notify/count-from-nans.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/notify/count-from-nans.js b/js/src/tests/test262/built-ins/Atomics/notify/count-from-nans.js new file mode 100644 index 0000000000..a8361fd5ed --- /dev/null +++ b/js/src/tests/test262/built-ins/Atomics/notify/count-from-nans.js @@ -0,0 +1,36 @@ +// |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 +// Copyright (C) 2018 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-atomics.notify +description: > + NaNs are converted to 0 for 'count' argument to Atomics.notify +info: | + Atomics.notify( typedArray, index, count ) + + ... + 3. If count is undefined, let c be +∞. + 4. Else, + a. Let intCount be ? ToInteger(count). + ... + + ToInteger ( argument ) + + ... + 2. If number is NaN, return +0. + ... + +includes: [nans.js] +features: [Atomics, SharedArrayBuffer, TypedArray] +---*/ + +const i32a = new Int32Array( + new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) +); + +NaNs.forEach(nan => { + assert.sameValue(Atomics.notify(i32a, 0, nan), 0, 'Atomics.notify(i32a, 0, nan) returns 0'); +}); + +reportCompare(0, 0); |