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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/not-a-constructor.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/not-a-constructor.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/not-a-constructor.js new file mode 100644 index 0000000000..49713162b8 --- /dev/null +++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/not-a-constructor.js @@ -0,0 +1,36 @@ +// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally +// 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: > + SharedArrayBuffer.prototype.slice 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, SharedArrayBuffer, arrow-function] +---*/ + +assert.sameValue( + isConstructor(SharedArrayBuffer.prototype.slice), + false, + 'isConstructor(SharedArrayBuffer.prototype.slice) must return false' +); + +assert.throws(TypeError, () => { + let sab = new SharedArrayBuffer(1); new sab.slice(); +}, '`let sab = new SharedArrayBuffer(1); new sab.slice()` throws TypeError'); + + +reportCompare(0, 0); |