diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Set/BigInt/tonumber-value-detached-buffer.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Set/BigInt/tonumber-value-detached-buffer.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Set/BigInt/tonumber-value-detached-buffer.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Set/BigInt/tonumber-value-detached-buffer.js new file mode 100644 index 0000000000..974de14c4a --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Set/BigInt/tonumber-value-detached-buffer.js @@ -0,0 +1,40 @@ +// Copyright (C) 2017 Mozilla Corporation. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-integer-indexed-exotic-objects-set-p-v-receiver +description: > + Setting a typed array element to a value that, when converted to the typed + array element type, detaches the typed array's underlying buffer, + will always return true. +info: | + 9.4.5.5 [[Set]] ( P, V, Receiver) + + ... + 2. If Type(P) is String, then + a. Let numericIndex be ! CanonicalNumericIndexString(P). + b. If numericIndex is not undefined, then + i. Perform ? IntegerIndexedElementSet(O, numericIndex, V). + ii. Return true. + ... +includes: [testBigIntTypedArray.js, detachArrayBuffer.js] +features: [align-detached-buffer-semantics-with-web-reality, BigInt, Reflect, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + let ta = new TA(1); + let isDetached = false; + let result = Reflect.set(ta, 0, { + valueOf() { + $DETACHBUFFER(ta.buffer); + isDetached = true; + return 42n; + } + }); + + assert.sameValue(result, true); + assert.sameValue(ta[0], undefined); + assert.sameValue(isDetached, true); +}); + +reportCompare(0, 0); |