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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/conversion-operation.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/conversion-operation.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/conversion-operation.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/conversion-operation.js new file mode 100644 index 0000000000..9cb1a271c1 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/conversion-operation.js @@ -0,0 +1,65 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-integer-indexed-exotic-objects-defineownproperty-p-desc +description: > + Verify conversion after defining value +info: | + 9.4.5.3 [[DefineOwnProperty]] ( P, Desc) + + ... + 3. If Type(P) is String, then + ... + b. If numericIndex is not undefined, then + ... + xi. If Desc has a [[Value]] field, then + 1. Let value be Desc.[[Value]]. + 2. Return ? IntegerIndexedElementSet(O, intIndex, value). + ... + + IntegerIndexedElementSet ( O, index, value ) + + Assert: O is an Integer-Indexed exotic object. + If O.[[ContentType]] is BigInt, let numValue be ? ToBigInt(value). + Otherwise, let numValue be ? ToNumber(value). + Let buffer be O.[[ViewedArrayBuffer]]. + If IsDetachedBuffer(buffer) is false and ! IsValidIntegerIndex(O, index) is true, then + Let offset be O.[[ByteOffset]]. + Let arrayTypeName be the String value of O.[[TypedArrayName]]. + Let elementSize be the Element Size value specified in Table 62 for arrayTypeName. + Let indexedPosition be (ℝ(index) × elementSize) + offset. + Let elementType be the Element Type value in Table 62 for arrayTypeName. + Perform SetValueInBuffer(buffer, indexedPosition, elementType, numValue, true, Unordered). + Return NormalCompletion(undefined). + + 24.1.1.6 SetValueInBuffer ( arrayBuffer, byteIndex, type, value [ , + isLittleEndian ] ) + + ... + 8. If type is "Float32", then + ... + 9. Else, if type is "Float64", then + ... + 10. Else, + ... + b. Let convOp be the abstract operation named in the Conversion Operation + column in Table 50 for Element Type type. + c. Let intValue be convOp(value). + d. If intValue ≥ 0, then + ... + e. Else, + ... +includes: [byteConversionValues.js, testTypedArray.js] +features: [TypedArray] +---*/ + +testTypedArrayConversions(byteConversionValues, function(TA, value, expected, initial) { + var sample = new TA([initial]); + + Object.defineProperty(sample, "0", {value: value}); + + assert.sameValue(sample[0], expected, value + " converts to " + expected); +}); + +reportCompare(0, 0); |