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-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/object-arg/throws-setting-obj-valueof.js | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/object-arg/throws-setting-obj-valueof.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/object-arg/throws-setting-obj-valueof.js new file mode 100644 index 0000000000..7bb03318c0 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/object-arg/throws-setting-obj-valueof.js @@ -0,0 +1,94 @@ +// 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-object +description: > + Return abrupt from valueOf() when setting a property +info: | + 22.2.4.4 TypedArray ( object ) + + This description applies only if the TypedArray function is called with at + least one argument and the Type of the first argument is Object and that + object does not have either a [[TypedArrayName]] or an [[ArrayBufferData]] + internal slot. + + ... + 8. Repeat, while k < len + ... + b. Let kValue be ? Get(arrayLike, Pk). + c. Perform ? Set(O, Pk, kValue, true). + ... + + 9.4.5.5 [[Set]] ( P, V, Receiver) + + ... + 2. If Type(P) is String and if SameValue(O, Receiver) is true, then + a. Let numericIndex be ! CanonicalNumericIndexString(P). + b. If numericIndex is not undefined, then + i. Perform ? IntegerIndexedElementSet(O, numericIndex, V). + ii. Return 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). + + ToNumber ( argument ) + + Object, Apply the following steps: + + 1. Let primValue be ? ToPrimitive(argument, hint Number). + 2. Return ? ToNumber(primValue). + + 7.1.1 ToPrimitive ( input [ , PreferredType ] ) + + ... + 4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive). + 5. If exoticToPrim is not undefined, then + a. Let result be ? Call(exoticToPrim, input, « hint »). + b. If Type(result) is not Object, return result. + c. Throw a TypeError exception. + ... + 7. Return ? OrdinaryToPrimitive(input, hint). + + OrdinaryToPrimitive + + ... + 5. For each name in methodNames in List order, do + a. Let method be ? Get(O, name). + b. If IsCallable(method) is true, then + i. Let result be ? Call(method, O). + ii. If Type(result) is not Object, return result. + 6. Throw a TypeError exception. +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new Int8Array(1); + var valueOf = 0; + + sample.valueOf = function() { + valueOf++; + throw new Test262Error(); + }; + + assert.throws(Test262Error, function() { + new TA([8, sample]); + }, "abrupt completion from ToNumber(sample)"); + + assert.sameValue(valueOf, 1, "valueOf called once"); +}); + +reportCompare(0, 0); |