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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/map/BigInt/speciesctor-get-species-custom-ctor-length.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/map/BigInt/speciesctor-get-species-custom-ctor-length.js b/js/src/tests/test262/built-ins/TypedArray/prototype/map/BigInt/speciesctor-get-species-custom-ctor-length.js new file mode 100644 index 0000000000..0e9e7a3fd7 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/map/BigInt/speciesctor-get-species-custom-ctor-length.js @@ -0,0 +1,48 @@ +// Copyright (C) 2018 Peter Wong. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.map +description: > + Does not throw a TypeError if new typedArray's length >= len +info: | + 22.2.3.19 %TypedArray%.prototype.map ( callbackfn [ , thisArg ] ) + + ... + 6. Let A be ? TypedArraySpeciesCreate(O, « len »). + ... + + 22.2.4.7 TypedArraySpeciesCreate ( exemplar, argumentList ) + + ... + 4. Return ? TypedArrayCreate(constructor, argumentList). + + 22.2.4.6 TypedArrayCreate ( constructor, argumentList ) + + ... + 3. If argumentList is a List of a single Number, then + a. If the value of newTypedArray's [[ArrayLength]] internal slot < + argumentList[0], throw a TypeError exception. + ... +includes: [testBigIntTypedArray.js] +features: [BigInt, Symbol.species, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA(2); + var customCount, result; + + sample.constructor = {}; + sample.constructor[Symbol.species] = function() { + return new TA(customCount); + }; + + customCount = 2; + result = sample.map(function() { return 0n; }); + assert.sameValue(result.length, customCount, "length == count"); + + customCount = 5; + result = sample.map(function() { return 0n; }); + assert.sameValue(result.length, customCount, "length > count"); +}); + +reportCompare(0, 0); |