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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/reduce/not-a-constructor.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/reduce/not-a-constructor.js b/js/src/tests/test262/built-ins/TypedArray/prototype/reduce/not-a-constructor.js new file mode 100644 index 0000000000..4cc53d856d --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/reduce/not-a-constructor.js @@ -0,0 +1,35 @@ +// 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: > + TypedArray.prototype.reduce 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, testTypedArray.js] +features: [Reflect.construct, arrow-function, TypedArray] +---*/ + +assert.sameValue( + isConstructor(TypedArray.prototype.reduce), + false, + 'isConstructor(TypedArray.prototype.reduce) must return false' +); + +assert.throws(TypeError, () => { + let u8 = new Uint8Array(1); new u8.reduce(() => {}, []); +}, '`let u8 = new Uint8Array(1); new u8.reduce(() => {}, [])` throws TypeError'); + + +reportCompare(0, 0); |