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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/map/return-new-typedarray-conversion-operation-consistent-nan.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/map/return-new-typedarray-conversion-operation-consistent-nan.js | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/map/return-new-typedarray-conversion-operation-consistent-nan.js b/js/src/tests/test262/built-ins/TypedArray/prototype/map/return-new-typedarray-conversion-operation-consistent-nan.js new file mode 100644 index 0000000000..22f12111a8 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/map/return-new-typedarray-conversion-operation-consistent-nan.js @@ -0,0 +1,73 @@ +// 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-%typedarray%.prototype.map +description: Consistent canonicalization of NaN values +info: | + 22.2.3.19 %TypedArray%.prototype.map ( callbackfn [ , thisArg ] ) + + ... + 8. Repeat, while k < len + ... + d. Perform ? Set(A, Pk, mappedValue, true). + ... + + 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 + a. Set rawBytes to a List containing the 4 bytes that are the result + of converting value to IEEE 754-2008 binary32 format using “Round to + nearest, ties to even” rounding mode. If isLittleEndian is false, the + bytes are arranged in big endian order. Otherwise, the bytes are + arranged in little endian order. If value is NaN, rawValue may be set + to any implementation chosen IEEE 754-2008 binary64 format Not-a-Number + encoding. An implementation must always choose the same encoding for + each implementation distinguishable NaN value. + 9. Else, if type is "Float64", then + a. Set rawBytes to a List containing the 8 bytes that are the IEEE + 754-2008 binary64 format encoding of value. If isLittleEndian is false, + the bytes are arranged in big endian order. Otherwise, the bytes are + arranged in little endian order. If value is NaN, rawValue may be set + to any implementation chosen IEEE 754-2008 binary32 format Not-a-Number + encoding. An implementation must always choose the same encoding for + each implementation distinguishable NaN value. + ... +includes: [nans.js, testTypedArray.js, compareArray.js] +features: [TypedArray] +---*/ + +function body(FloatArray) { + var sample = new FloatArray(NaNs); + var sampleBytes, resultBytes; + var i = 0; + + var result = sample.map(function() { + return NaNs[i++]; + }); + + sampleBytes = new Uint8Array(sample.buffer); + resultBytes = new Uint8Array(result.buffer); + + assert(compareArray(sampleBytes, resultBytes)); +} + +testWithTypedArrayConstructors(body, floatArrayConstructors); + +reportCompare(0, 0); |