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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Atomics/compareExchange/not-a-constructor.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/compareExchange/not-a-constructor.js b/js/src/tests/test262/built-ins/Atomics/compareExchange/not-a-constructor.js new file mode 100644 index 0000000000..7e02ac2a87 --- /dev/null +++ b/js/src/tests/test262/built-ins/Atomics/compareExchange/not-a-constructor.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) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-ecmascript-standard-built-in-objects +description: > + Atomics.compareExchange does not implement [[Construct]], is not new-able +info: | + ECMAScript Function Objects + + Built-in function objects that are not identified as constructors do not + implement the [[Construct]] internal method unless otherwise specified in + the description of a particular function. + + sec-evaluatenew + + ... + 7. If IsConstructor(constructor) is false, throw a TypeError exception. + ... +includes: [isConstructor.js] +features: [Reflect.construct, Atomics, arrow-function, TypedArray, SharedArrayBuffer] +---*/ + +assert.sameValue( + isConstructor(Atomics.compareExchange), + false, + 'isConstructor(Atomics.compareExchange) must return false' +); + +assert.throws(TypeError, () => { + new Atomics.compareExchange(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT))); +}, '`new Atomics.compareExchange(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT)))` throws TypeError'); + + +reportCompare(0, 0); |